Manual Telos Zephyr Xstream

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Telos Zephyr Xstream - page 1

Zephyr Xstr eam Advanced Digital Network Audio Transceiver The Best W ay to Hear from There ™ USER’S MANU AL Manual Version 3.0 for softwar e version 3.0 and later (For 10 Base-T and 100 Base-T hardware versions) ...
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USER’S MANUAL INTRODUCTION & TABLE o f CONTENTS iii Customer Service We support you... By  phone/Fax  in  the  USA.  Customer  service  is  available  from  9:30  AM  to  6:00  PM  USA  Eastern  Time,  Monday  through  Friday  at  +1  216.241.7225.  We’re  ofte ...
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USER’S MANUAL INTRODUCTION & TABLE o f CONTENTS iv Updates The  operation  of  the  Telos  Zephyr  Xstream  is  determined  largely  by  software.  Peri odi c  updates  may  become  available.  Contact  us  to  determine  if  a  new er  release  is  more  s ...
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USER’S MANUAL INTRODUCTION & TABLE o f CONTENTS v Test Lines  To  aid  you  in  testing  and  demonstrating  your  Zephyr  Telos  Systems  has  the  foll owing  test  numbers  available:  • USA:  +216  781.9310,  +216  781.9311  (Layer  III  Dual  transmit  @ ? ...
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USER’S MANUAL INTRODUCTION & TABLE o f CONTENTS vi Notices and Cau tions e CAUTION: THE INSTALLATION AND SERVICING INSTRUCT IONS IN THIS MANUAL ARE FOR USE B Y QUALIFIED PERSONNEL ONLY. TO AVOID ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN THE OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO. REFER AL L SE ...
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USER’S MANUAL INTRODUCTION & TABLE o f CONTENTS vii NOTE:  Objectionable  interference  to  TV  or  radio  reception  ca n  occur  if  other  devices  are  connected  to  this  device  without  the  use  of  shielded  interconnect  cables.  FCC  rules  require ? ...
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USER’S MANUAL INTRODUCTION & TABLE o f CONTENTS viii Table  of  Contents   1  QUICK  START  –  Step  by  Step  Guide  to  Ge tting  Running  ...................................................................  1  1.1  Connections  Preview  ....................................... ...
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USER’S MANUAL INTRODUCTION & TABLE o f CONTENTS ix  6  AUDIO  CODING  REFERENCE  ........................................................................................................  109  6.1  Introduction  to  Audio  Coding  Technolog y  .............................................................. ...
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USER’S MANUAL INTRODUCTION & TABLE o f CONTENTS x  12  System  Functions  and  Remote  Control  ...................................................................................  245  12.1  Ancillary  Data  ................................................................................................... ...
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USER’S MANUAL INTRODUCTION & TABLE o f CONTENTS xi Conventions used in this manual The  following  symbols  are  used  throughout  this  manual  to  highlig ht  various  type  of  information  contained  within.  e DANGER! This information is important to safe operation of the equipment and wa r ...
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USER’S MANUAL INTRODUCTION & TABLE o f CONTENTS xii t DEEP TECH NOTE! Amaze your te chnical frie nds with your v oluminous k nowledge of the Zephyr X stream, ISDN, and coding techno logy! Not necessary for the ability to install and use the Zephyr Xstream, but this information might c ome in handy if you ever nee d to troubleshoot the system. ...
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USER’S MANUAL Section 1: QUICK RESULTS 1 1 QUICK ST AR T – Step by St ep Guide to Getting Running Who can use this section? You  have  just  opened  the  carton  containing  a  cool  new  Telos  codec.  We  know  how  you  feel.  You  don’t  want  to  sit  around  and ...
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USER’S MANUAL Section 1: QUICK RESULTS 2 What you need before you start… There  are  two  categories  of  items  you  need:  First,  the  equip ment  to  connect  your  Zephyr  Xstream  to  the  audio  equipment  and  the  ISDN  circuit;  second,  some  information ? ...
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USER’S MANUAL Section 1: QUICK RESULTS 3 Information on your ISDN line Zephyr  Xstream  needs  to  know  some  things  about  your  ISDN  line  to  work  properly.  Your  ISDN  circuit  consists  of  two  digital  “B  channels”.  Just  like  a  regular  teleph ...
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USER’S MANUAL Section 1: QUICK RESULTS 4 9 SPID  numbers,  if  applicable  (USA  &  Ca nada):    Line  1          ...
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USER’S MANUAL Section 1: QUICK RESULTS 5 connectors  labeled  “OUTPUTS:  RECE IVE  FROM  NETWORK .”  If  you  are  not  certain  about  how  to  make  this  connection,  refer  to  Section  3.   Livewire TM If  you  are  already  familiar  with  Axia’s ? ...
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USER’S MANUAL Section 1: QUICK RESULTS 6 Connecting to the ISDN Circuit Making  the  physical  connection  to  the  ISDN  line  varies  with  your  NT1.  You  will  use  one  of  the  following  methods  as  appropriate  fo r  you r  locale:  1. Zephyr  Xstream’s  ...
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USER’S MANUAL Section 1: QUICK RESULTS 7 1.4 Basic Configuration Your  Zephyr  should  display  a  screen  that  looks  like  this:  Press  the  <CODEC>  button  once.  You  shou ld  see  a  screen  that  looks  like  this:  If  it  does  not  look  like ...
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USER’S MANUAL Section 1: QUICK RESULTS 8 • If  you  have  Euro ‐ ISDN  (or  another  service  that  does  not  have  SPIDs),  press  the  <  TEL  >  button  (located  beneath  the  LCD  display)  three  (3)  times  and  skip  to  step  5 .  • ...
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USER’S MANUAL Section 1: QUICK RESULTS 9  5. Make  sure  the  dark  cursor  bar  is  highlighting  the  line  labeled  “Telco”.  Press  the  <SEL>  button  once.  Press  the  < 5 >  or  < 6 >  button  repeatedly  unti l  the  type  of  ISD ...
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USER’S MANUAL Section 1: QUICK RESULTS 10 your  Zephyr  Xstream,  or  both.  Since  these  are  Quick  Results,  the  tips  below  are  brief  and  note  only  the  most  frequent  problems  encountered.  • If  you  have  SPIDs,  or  DNs,  check  to  ...
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USER’S MANUAL Section 1: QUICK RESULTS 11 Note :  Since  this  is  a  local  call,  you  probably  do  not  need  a  “1”  or  area  code.  2. Press  the  <DIAL>  button  again.  You  should  see  a  series  of  messages  that  say  “Seize  ...
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USER’S MANUAL Section 1: QUICK RESULTS 12 You  should  see  a  series  of  messages  that  say  “Seize  Pending;  Outgoing  Seize;  Out  Ring;  Connecte d.”  If  successful,  the  second  green  Lock  LED  over  the  right  Send  meter  left  of  the  ...
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USER’S MANUAL Section 1: QUICK RESULTS 13 1.7 Where to find answers to frequently asked question s: Question Manual Section How  do  I  order  my  ISDN  line?  Appendices  7  (Ordering  ISDN  for  ETS  300)  &  8  (Ordering  ISDN  for  USA  &  Canada)  What  are  the ...
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USER’S MANUAL Section 1: QUICK RESULTS 14 ...
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USER’S MANUAL Section 2: INTRODUCTION – Getti ng to Know the Zephyr Xstream 15 2 INTRODUCTION - Getting to Know the Zephyr Xstream 2.1 What is the Zephyr Xstream? In  1993,  we  had  a  dream.  We  envisioned  a  way  for  CD ‐ quality  audio  to  be  sent  over  common  digital  pho ...
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USER’S MANUAL Section 2: INTRODUCTION – Getti ng to Know the Zephyr Xstream 16 2.2 Why the Zephyr Xstre am? Zephyr  Xstream  is  the  logical  “next  step”  to  our  highly  successful  Zephyr  and  ZephyrExpress  products.  We’ve  taken  the  latest  technology,  years  of ...
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USER’S MANUAL Section 2: INTRODUCTION – Getti ng to Know the Zephyr Xstream 17 • 4  input  stereo  mixer.  Each  input  gain  selectable  from  mic.  to  line  levels  and  is  pan ‐ able  left/right.  Mi xer  directly  feeds  the  audio  coder  section.  • Exclusi ...
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USER’S MANUAL Section 2: INTRODUCTION – Getti ng to Know the Zephyr Xstream 18  ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 19 3 GUID ED T OUR of the HARD WARE The  Zephyr  Xstream,  Xstream  MX,  and  Xstream  MXP  are  all  quite  similar  in  their  design  and  operation.  The  menus  are  ident ical  between  all  three  versions  wit ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 20 Headphone Jack & V olume Control The  front  panel  has  a  headphone  jack  near  the  left  side.  The  adjacent  knob  controls  the  level.  This  jack  dupli cates  the  receive  signal  on  the  main ? ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 21 There  is  a  transition  of  LED  color  at ‐ 10  dBfs.  Since  the  meters  are  peak  indicating,  it  will  generally  be  safe  to  run  things  into  the  red,  depending  on  the  desired ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 22 Numeric Keypad The  operation  of  this  is  straightforward.  A  given  button  corresponds  to  the  number  printed  on  it.  It  can  also  be  used  for  text  entry  of  the  letters  associated  ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 23 w IMPORTANT TIP! The Number field (in the Dial menu) is different from other entry fields in the Zephyr Xstream. It is NOT necessary to press <SEL> before entering the number to be dialed. While we like consistency, this field is u sed so often, it made sense to make it easier by do ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 24 3.2 Zephyr Xstream Rear Panel (non-mix er version) ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 25 ISDN Interface w IMPORTANT! As with any piece of moder n electronic gear, it is advisable that precauti ons be taken t o prevent damag e caused by po wer surges. St andard teleph one line surge p rotectors ca n be used to offer some degree of prot ection at the U inte rface jack. Special ...
Telos Zephyr Xstream - page 38

USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 26 h HOT TIP! Normally, the Telephone Company shou ld supply an RJ-11 style jack for the U interface. This is the same 4 or 6-pin plug used for analog l ines. However, sometimes you may find an 8-pin RJ-45 style jack–and sometimes you may eve n be charged extra for it! If you have this sit ...
Telos Zephyr Xstream - page 39

USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 27 w IMPORTANT! Do Not enabl e PS2 power if you plan to connect the S interface of your Xst ream to a Zephyr Classic or ZephyrExpress . Doing so c ould cause damage to one of the units! i ISDN TIP! If you are co nnecting to I SDN using t he S (4-wi re) Interface you can ig nore the st atus o ...
Telos Zephyr Xstream - page 40

USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 28 Z ZEPHYR CLASSIC VS XS TREAM COMPARI SO N! NOTE: The RS-232 conn ectors on the newer Telo s gear, such as the Ze phyr Xstream, are wired to look like a mode m (i.e. DCE) , rather th an a computer. T herefore, a st andard “straight throu gh” cable can be used to co nnect the Xstream to ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 29 CABLE PIN OUT 9-PIN Computer (DTE) Description Direction Telos Xstream 1 *Data Carrier Detect (DCD) 3 1# 2 Receive Data (RD) 3 2 3 Transmit Data (TD) 4 3 4 Data Terminal Ready (DTR) 4 Not used 5 Signal Gr ound (SG) 5 6 *Data Set Ready (DSR) 3 6# 7 Request to Send (RTS) 4 Not used 8 *Clear ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 30 Ethernet  This  is  an  industry  standard  100Base ‐ T  Ethernet  connector  on  the  usual  8 ‐ position/8 ‐ pin  miniature  modular  (RJ ‐ 45  style)  jack.  Older  models  have  only  10Base ‐ T  capabil ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 31  Parallel  Control  Port  The  parallel  control  port  has  8  inputs  and  8  outputs  that  can  be  used  in  a  variety  of  ways.  For  instance,  in  AAC,  AAC ‐ LD,  Layer  3  and  ce ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 32 Parallel  Outputs  0 ‐ 7  Outputs  are  open  collecto r  to  ground  and  can  sink  up  to  125  mA  of  current  each  (actually,  any  output  can  sink  up  to  400  mA,  however  the  maximu ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 33 Parallel  Inputs  0 ‐ 7  All  inputs  are  specially  treated  to  accept  either  a  voltage  (up  to  24  VDC),  or  a  closure  to  ground,  which  may  be  provided  by  switches,  relays,  or  ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 34 XLR PIN FUNCTION TRS PIN 1 Ground S 2 Audio + T 3 Audio - R The  analog  audio  inputs  have  the  following  characteristics:  • Active  balanced  • Line  level:  A  menu  selection  Level  In ,  in  the  AUDI O  menu,  a ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 35 h HOT TIP! The signal fe d to these in puts should normally be a mix-minus or t hose moni toring from t he far end will hear a delayed version of their own audio coming back to them (i.e. an echo). See Section 10.3 for details on dealin g with delay and mix-minus. A  digital  gain ? ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 36 AES/EBU Inputs & Outputs These  are  inputs  and  outputs  for  AES/EBU  format  digital  audio  signals.  More  information  about  the  various  menus  related  to  their  oper ation  is  in  Section  5  (Gui ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 37 AC (Mains) power The  AC  receptacle  connects  mains  power  to  the  unit  with  a  standard  IEC  (International  Electrotechn ical  Committee)  power  cord  and  provides  an  on/off  switch.  The  power  su ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 38 3.3 Zephyr Xstream MX/MXP Front Panel (Mixer versions) Local Monitor Mix 1 Jack & Volume C ontrol The  front  panel  has  a  headphone  jack  near  the  left  side.  The  adjacent  knob  controls  the  level.  The  adjacent ? ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 39 Local Monitor Mix 2 Volu me Controls Local  Mix  2  is  available  on  three  rear ‐ panel  headpho ne  jacks  (1/4”  stereo  jacks)  as  well  as,  by  default,  a  pair  of  balanced  XLR  jacks ‐ we’ll ? ...
Telos Zephyr Xstream - page 52

USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 40 h HOT TIP! The nominal in puts levels for each input can be adjusted usi ng the Ch "x" G ain option in the 2nd thr ough 3r d AUDIO menus. You can also en able phantom power for inputs 1 & 2 on AUDIO menu 8. Note that this controls ph antom power f or both i nput 1 & 2 si ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 41 When  the  V.35/X.21  interface  is  present  (and  selected)  the  Sync  LED  will  be  illuminated  only  if  a  valid  external  clock  signal  at  the  correct  frequency  for  the  Bit  Rate  setti ...
Telos Zephyr Xstream - page 54

USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 42 Fast Access Menu Keys – AUDIO, CODEC, TEL, SYSTEM These  keys  are  used  to  instantly  jump  to  a  desired  menu.  The  first  key ‐ press  displays  a  summary  status  screen  for  that  menu.  Subsequent  pr ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 43 then  the  lower ‐ case  letters,  then  the  number  2.  Enter  a  space  by  pressing  1  three  ti mes.  Punctuation  characters  appear  on  the  *  and  #  keys.  The  period  “.”  is ? ...
Telos Zephyr Xstream - page 56

USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 44 3.4 Zephyr Xstream MX/MXP Rear Pane l (Mixer version s) ...
Telos Zephyr Xstream - page 57

USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 45 ISDN Interface w IMPORTANT! As with any piece of moder n electronic gear, it is advisable that precauti ons be taken t o prevent damag e caused by po wer surges. St andard teleph one line surge p rotectors ca n be used to offer some degree of prot ec t i on at the U in t erf ace. Speci al ...
Telos Zephyr Xstream - page 58

USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 46 h HOT TIP! Normally, the Telephone Company shou ld supply an RJ-11 style jack for the U interface. This is the same 4 or 6-pin plug used for analog l ines. However, sometimes you may find an 8-pin RJ-45 style jack–and sometimes you may eve n be charged extra for it! If you have this sit ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 47 w IMPORTANT! Do Not enabl e PS2 power if you plan to connect the S interface of your Xst ream to a Zephyr Classic or ZephyrExpress . Doing so c ould cause damage to one of the units! i ISDN TIP! If you are co nnecting to I SDN using t he S (4-wi re) Interface you can ig nore the st atus o ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 48 PIN FUNCTION 1* DCD (Xstream to Computer) 2 RD (Xstream to Com puter) 3 TD (Computer to Xstream) 5 Ground 6* DSR (Xstream to Com puter) 8* CTS (Xstream to Computer) * These handshake signals are present (i.e . permanently asserted) on motherboard versions "E" and later Using a 9 ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 49 CABLE PIN OUT 9-PIN Computer (DTE) Description Direction Telos Xstream 1 *Data Carrier Detect (DCD) 3 1# 2 Receive Data (RD) 3 2 3 Transmit Data (TD) 4 3 4 Data Terminal Ready (DTR) 4 Not used 5 Signal Gr ound (SG) 5 6 *Data Set Ready (DSR) 3 6# 7 Request to Send (RTS) 4 Not used 8 *Clear ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 50 Ethernet  This  is  an  industry  standard  100Base ‐ T  Ethernet  connector  on  the  usual  8 ‐ position/8 ‐ pin  miniature  modular  (RJ ‐ 45  style)  jack.  On  units  made  since  3 rd  quarter  2006 ? ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 51 Parallel  Control  Port  The  parallel  control  port  has  8  inputs  and  8  outputs  that  can  be  used  in  a  variety  of  ways.  For  instance,  in  AAC,  AAC ‐ LD,  Layer  3  and  certai ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 52 Parallel  Outputs  0 ‐ 7  Outputs  are  open  collecto r  to  ground  and  can  sink  up  to  125  mA  of  current  each  (actually,  any  output  can  sink  up  to  400  mA,  however  the  maximu ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 53 Parallel  Inputs  0 ‐ 7  All  inputs  are  specially  treated  to  accept  either  a  voltage  (up  to  24  VDC),  or  a  closure  to  ground,  which  may  be  provided  by  switches,  relays,  or  ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 54 Main Mixer Inpu ts (Send to Network) These  are  Combo  Connectors  with  XLR  female  and  ¼”  Tip ‐ Ring ‐ Sleeve  (TRS)  fema le  inputs.  The  pin  out  is  as  follows:  XLR PIN FUNCTION TRS PIN 1 Ground S 2 Audio + T ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 55 • Bridging  ≥  10  K  ohm  impedance   The  inputs  are  designed  to  be  sourced  from  balanced,  signals.  Older  equipment  (or  some  microphones)  with  a  transformer  output  stage  may  ne ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 56 Local  Monitor  Mi x  2  can  be  set  up  to  monitor  Snd  (send)  Audio,  Rcv  (receive)  Audio  or  a  combination  of  both.  The  audio  to  be  monitored  is  controlled  by  the  button ? ...
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USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 57 w IMPORTANT! As with any piece of moder n electronic gear, it is advisable that precauti ons be taken t o prevent damag e caused by po wer surges. St andard line sur ge protectors c an be used t o offer some degree of protection. It is the user’s responsibility to ensure protection adeq ...
Telos Zephyr Xstream - page 70

USER’S MANUAL Sectio n 3: GUIDED TOU R of the HARDW ARE 58 ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 59 4 BASIC OPERA T ION & INST ALLA TION This  section  is  intended  only  as  an  introduction.  For  many  ISDN  users,  it  will  provide  all  the  information  needed  to  get  started  with  the  unit. ? ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 60 It  is  essential  that  the  third  “grounding”  pin  not  be  defeated  on  the  power  cord  and  that  the  power  cord  be  connected  to  a  properly  grounded  receptacle.  If  a  gr ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 61 One  Source  for  an  appropriate  unit  is  Americ an  Power  Conversion.  Their  model  "PdigiTel”  is  suitable  for  use  on  either  the  S  or  U  interface  (also  suitable  for  T1).  ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 62 highlight  and  select  th e  item  to  be  changed  (or  field  to  be  edit ed).  The  current  selection  will  be  highlighted;  i.e.  it  will  be  displayed  with  white  text  on  a  bla ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 63 Let’s  go  through  a  couple  of  quick  examp les  to  see  the  Zephyr  Xstream  menus  in  act ion.  Example 1: Selecting a sett ing from a list (i.e. the bi t rate): 1. Press  the  <CODEC>  button  twice.  Y ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 64 Example 2: Entering a numeric entry (i. e. entering a SPID): 1. Press  the  <TEL>  button  twice.  You  should  see  a  screen  that  looks  like  the  following:  2. Verify  that  the  menu  item  “SPID  1” ? ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 65 the  2 ‐ key  in  a  text  field  will  first  enter  A.  Repeated  taps  will  change  that  to  a  B,  then  C,  then  the  lower ‐ case  letters,  then  the  number  2.  Enter  a  ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 66 Special Menus; DIAL, AUTO & DROP The DIAL menu The  DIAL  menu  appears  after  the  Dial  button  has  been  pressed  and  looks  like  the  following:      If  you  wish  to  dial  a  data  call ? ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 67 w IMPORTANT TIP! The Number field in the DIAL menu is different from other entry fields in the Zephyr Xstream. It is NOT necessary to press < SEL > before entering the numbe r to be dial e d. While we like consistency, this field is u sed so often, it made sense to make it eas ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 68 Dial  Setups  Dial  Setups  are  very  similar  to  the  "Auto  Dial  Setups"  used  in  the  classic  Zephyr.  Each  of  the  100  dial  setups  consists  of  several  pieces  of  infor ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 69 AU T O 2 DI GI T S DROP Fou r Ti m es DI AL R eady R eady C onnec ted C onnec ted h HOT TIP! You can use dial setups as a way to conve niently change your c odec settings . Possibly to accommodate incoming ca lls from d iffering locations. Simple leave the Number 1 & Number 2 fi ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 70 The  illustration  below  shows  several  sample  Dial  Setups .  Note  that  the  nota tion  “C”  in  the  right  column  indicates  that  a  particular  setup  includes  CODEC  menu  settings.  ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 71  5. Press  <SEL>  to  continue  or  press  < 5 >  and  then  <SEL>  to  escape  without  changing.   6. Enter  a  name  (see  th e  beginning  of  this  chapter  section  for  an  e ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 72 Editing  Dial  Setups  1. If  this  setup  include s  codec  information,  configure  the  Zephyr  Xstream’s  CODEC  menu  as  it  will  be  used  when  connected  to  this  location.  If  the  exi ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 73 7. Move  the  black  cursor  to  the  word  Save  and  then  press  <SEL>  to  complete  the  editing  process.  Location  Setups  Location  setups  are  a  useful  feature  that  allows  you  ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 74 4.  Press  < 5 >  then  < SEL >  to  reboot.   The  illustration  below  shows  several  sample  Location  Setups .  No te  that  the  notation  “A”  in  the  right  column  indicates  that ...
Telos Zephyr Xstream - page 87

USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 75 2. Press  the  < AUTO >  key.  Choose  the  Location  Setup  to  be  entered .  Note:  You  can  edit  an  ex istin g  setup  by  selecting  it.  To  choose  a  Locat ion  Setup  you  have ? ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 76 6. Move  the  cursor  to  the  word  Save  and  then  press  <SEL>  to  compl ete  the  entry  process.  Editing  Location  Setups  1. If  this  setup  include s  audio  information,  configure  th e ...
Telos Zephyr Xstream - page 89

USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 77 4.3 Codec Settings: Transmit, Receive, Bit Rate, & Sam ple Rate When  calling  another  ISDN  codec  (e.g.  mode  =  Zephyr),  these  settings  must  be  set  correctly  to  achieve  an  end ‐ to ‐ end  bi ‐ directio ...
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USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 78 If  you  choose  not  to  use  the  " Auto "  setting,  you  will  need  to  know  the  Transmit  (“Xmt”  or  “Encoder”)  mode  of  the  far  end  to  determine  the  correct  setti ...
Telos Zephyr Xstream - page 91

USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 79 c COMPATIBILITY TIP! The Zephyr Xstream specifies the bit rate per cha nnel. Since certain modes (i.e. stereo or mono-128) require two cha nnels to operate, the total (aggregate) bit rate wou ld be double the number displayed in these cases. This is important as some other brands of ...
Telos Zephyr Xstream - page 92

USER’S MANUAL Section 4: BASIC OPERAT I ON & INSTALLATION 80 w IMPORTANT TIPS! 1) Zephyr Xstream only supports the 24kHz sample rate in MPEG Laye r-2. Theref ore, the Sample Rate menu does no t have this option . The “L2 Half 6 4” Transmit and Receive modes are use d to achieve 24kHz operation in MPEG Layer-2. 2) The G.722 stan dard calls ...
Telos Zephyr Xstream - page 93

USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 81 5 GUIDED T O UR of the MENUS 5.1 The Menu Tree This  section  gives  an  overview  of  the  Xstream’s  front  panel  menus  suitable  for  the  average  operator.  Section  11  is  a  detailed  reference  of  the  me ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 82 MENUS - The CODEC, TEL & SYSTEM Menus (all versions)  CO D E C CO DE C CO DE C SYST EM TE L SYST EM SYS T EM SYS T EM SYS T EM TE L TE L TE L TE L SYST EM SYST EM SYST EM S YST EM S YST EM CO DE C Co m p a t . Z ep h y r TE L S I P P or t 5060 UDP P or t 915 0 HT T P P or t 808 0 T C P ...
Telos Zephyr Xstream - page 95

USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 83 MENUS - The DIAL & AUTO Menus (all versions) AU T O 2 D I G I T S AU T O DI A L Ph on e # DI A L DRO P Fo u r T i m e s Ph on e # DI A L DR O P Fo u r Tim e s M AN U A L D I ALI N G AC T I VAT I N G A D I AL SET U P AU T O 3 D I G I T S AU T O AC T I VAT I N G A LO C AT I ON SETUP DIA L 2 ...
Telos Zephyr Xstream - page 96

USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 84 MENUS - The Audio Menu (non-mixer version) AU D I O AU D I O AU D I O G a in Tr im Send Mix D is c r ete ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 85 MENUS - The Audio Menu MX/MXP (mixer versions) AU D I O 1-4 Tim es AU D I O AU D I O 1-2 Tim es AU D I O AU D I O Ass i gn m e nt Unlo c k e d ...
Telos Zephyr Xstream - page 98

USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 86 5.2 The Default Screen Encode r & Decode r Settings Per channel Bit Rate & transm ission Sam ple Rate Active Interface (ISDN, V.35, or Ethernet) Status of ISDN or V.35 Lines 1 & 2 The  default  display  (shown  above)  will  appear  after  the  system ? ...
Telos Zephyr Xstream - page 99

USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 87 Level In This  determines  the  no minal  input  level  for  the  Xstream's  analog  inputs.  As  shi pped  from  the  factory,  Professional  sets  the  system  to  a  +4  dBu  nominal  i nput  level. ? ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 88 AUDIO - Screen 1 (Status) The  first  AUDIO  menu  has  the  individual  levels  for  each  of  the  Main  Mixer  i nputs.  These  levels  are  post  fader  and  therefore  can  be  used  to  view  relative ? ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 89 This  disables  the  input  processor  for  channel  "x".  Voice  L:  (Voice  Low)  This  is  the  least  aggressive  settin g,  intended  to  protect  against  minor  level  problems  when  running  a ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 90 Mon “x” Rcv Mix This  parameter,  in  combination  with  Mon  x  Rcv  Pan  selection  (see  below)  is  useful  for  when  only  a  single  retu rn  channel  is  being  sent  from  the  far  end.  The ? ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 91 Right:  This  option  routes  the  outgoing  channel  B  (Right)  audio  to  both  sides  of  the  Local  Mix.  Left  +Right:  This  option  sums  (i.e.  mixes)  the  incoming  A  &  B  audio  cha ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 92 Livewire Since  Live wire  is  one  wa y  of  getting  audio  to  and  from  your  Xstream,  we  will  show  those  menus  here  as  well.  Pleas e  refer  to  Section  8  for  details  on  configu ration ? ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 93 5.4 The Codec Menu The  settings  of  the  codec  menu  will  determine  what  codecs  with  which  you  can  communicate,  as  well  as  the  quality  and  delay  of  the  coded  audio  stream.  For  more ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 94 CODEC - Screen 2  A  second  press  of  the  < CODEC >  button  shows  the  screen  above:  On  this  screen  are  the  settings  that  affect  compatibility  with  far ‐ end  codecs.  These  parameters ? ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 95 w IMPORTANT TIP! When referring to Transmit modes we use the Term "Mono 64" to refer to a mono signal using a singl e B channel. T herefore, the audio stream may be at 56 or 64kbps since the call could be placed at either rat e . Similarly, w e use the term "Mono 128 " to ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 96 w IMPORTANT TIP! It is important to understand that the Transmit and Receiv e settings on t wo connected units may very well NOT match. This is because there are frequently times when it is appropriate to use a different coding mode coming versus go ing . The important thing to remember is th ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 97 i ISDN TIP! Since this parameter specifies the bit rate placed over th e dial up data network, it is important to u nderstand the f ollowing: I n some areas of the USA & Canada, onl y 56kbps or 64kbps service may be availab le. In additio n, since different network paths (trunk group s) a ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 98 c COMP ATIBILITY TIP! Not all codecs suppo rt all samp le rates. 32kH z is most commonly supported in MPE G Layer- 3, whereas 48kHz is more commonly used in Layer-2. 24kHz is somet imes seen in Layer-2. In t his case, set your Transmit or Re ceive to “L2 Half/24” and th is Sample Rate wil ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 99 5.5 The Tel Menu TEL - Screen 1 (Status)  The  first  press  of  the  TEL  button  will  show  the  Tel  Status  screen.  This  gives  the  current  status  of  each  of  your  ISDN  B  channels  ("lines&quo ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 100 SPID  Pending  –  This  may  be  displayed  if  an  external  NT1  has  not  completed  initializing  to  the  line.  Or,  it  may  indicate  that  the  internal  NT1  has  recognized  the  li ne  ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 101 We've  inclu ded  nume rous  tips  on  SPIDs  and  the  TELCO  setting  in  Section  11.5  (Detailed  Menu  Reference).  MSN/DN 1 & MSN/DN 2 DNs  (Directory  Numbers)  are  needed  in  the  USA  &  Canada ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 102 TEL - Screen 3 Pressing  the  TEL  a  third  time  will  show  this  menu.  The  options  for  this  menu  are  as  follows:  Telco This  is  the  protocol  for  your  ISDN  circuit.  Outside  of  the ? ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 103 NOTE:  Call  from  a  Zephyr  Xport  that  is  calling  from  a  POTS  (analog)  line  is  considered  a  Phone  mode  call.  Interface This  allows  you  to  choose  between  the  ISDN,  Ethernet  and, ? ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 104 UDP Port After  the  a  SIP  session  is  initiated,  or  when  using  RTP  streaming  mode,  the  actual  audio  data  is  carried  by  UDP  packets  sent  to  and  received  on  this  port.  HTTP Port Th ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 105 5.6 The System Menu The  system  menu  has  many  selections,  a  number  of  which  the  av erage  user  need  not  consider.  We'll  cover  those  of  interest  to  the  average  user  in  this  section. ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 106 Interface  –  This  is  the  current  setting  of  the  In terface  option  located  on  the  third  TEL  menu.  SYSTEM - Screen 2 This  menu  has  the  most  frequently  used  System  me nu  item s.  These ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 107 SYSTEM - Screen 4 Current Version Legacy Versions The  fourth  press  of  the  SYSTEM  button  b rings  you  to  the  reboot  or  FTP  screen  used  to  update  the  Zephyr  Xstream's  software.  Older  versions  ...
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USER’S MANUAL Sectio n 5: GUIDED TOU R of the MENUS 108 Restore Fa ctory Defaults.. . This  selection  allows  you  to  clear  all  settings  of  your  Xstream.  All  menu  options  will  be  returned  to  the  factory  default  settings.  Don't  use  this  opti ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 109 6 AUDIO CODING REFERENCE 6.1 Introduction to Audio Coding Technology Introduction Audio  takes  up  a  lot  of  data.  Just  a  regular  phone  call  uses  64,000  bits  per  second.  Without  data  reduction,  CD ‐ quality  qualit ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 110 delta,  between  successive  audio  samples  compared  to  using  the  individual  values.  Further  efficiency  is  had  by  adaptively  varying  th e  difference  comparator  according  to  the  nature  of  the  p ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 111 ear’s  sensitivity  to  signals  near  the  constant  tone  is  greatly  reduced.  Tones  that  were  previously  audible  become  “masked”  in  the  presence  of  “masking  tones,”  in  this  case,  th ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 112 Masking effects in the time domain. Masking occurs both before and after the masking signal. The combined results of time and frequency vs. ma sking. Signals under the curve are inaudible. w IMPORTANT! Due to a perce ptual coder’s r eliance on p recisely model ing principl es of human per cept ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 113 The  steps  involved  in  the  perceptual  coding  process  are  shown  below:  The  components  work  as  follows:  • The  analysis  filter  bank  divides  th e  audio  into  spectral  components.  Sufficient  ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 114 MPEG By  far,  the  most  popular  high  fidelity  audio  coders  rely  upon  techniques  developed  under  the  MPEG  umbrella.  MPEG  stands  for  Motio n  Pictures  Expert  Group,  a  Joint  Committee  of  ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 115 quality  indistinguishable  fr om  the  original,  with  no  audio  test  item  falling  below  the  “perceptible,  but  not  annoying”  threshold  in  controlled  listening  tests.  The  MPEG  test  items  include ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 116 The  block  diagram  of  the  AAC  encoder  is  shown  below.  It  is  considerably  more  sophisticated  than  the  previous  MPEG  Layer ‐ 2  and  Layer ‐ 3  systems,  and  therefore  offers  more  coding ? ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 117 The  result  of  all  this  is  that  the  researchers  succeeded.  AAC  provides  performance  superior  to  any  known  codec  at  bitrates  greater  than  64kbps,  and  excellent  performance  relative  to  ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 118 AAC-LD (AAC Low Delay) When  announcers  use  codecs  for  broadcast  remote  a pplications,  they  often  need  to  have  natural  two ‐ way  interaction  with  other  program  participants  located  back  at  the  studio ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 119 codec?  Until  recently,  the  answer  was  no,  but  new  development s  in  codecs  have  changed  the  picture.  One  of  the  main  objectives  in  audio  coding  is  to  provide  the  best  tradeo f ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 120 • No  dynamic  block  switching  is  used  because  the  re quired  look ‐ ahead  delay  is  too  big.  The  te mporal  problem  that  causes  pre ‐ echoes  is  handled  by  the  Temporal  Noise  Shaping  m ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 121 standardized  in  ISO/MPEG  IS ‐ 11172.  Prior  to  the  availability  of  AAC,  Layer ‐ 3  was  specifically  recommended  for  56  and  64  kbps  channel.  Layer-3 Feature s Psychoacoustic  Masking  The  audio  in ? ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 122 h HOT TIP! Joint stereo t akes advantage of the way s ounds distri bute thems elves over a n ormal stereo field. If you’re transmitting two signals that do n’t co mprise a normal stereo field — as would be the case if you’re transmittin g two totally i ndependent audio cha nn els — it ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 123 probably  the  most  widely  used  system.  In  our  view,  this  technology  is  acceptable  for  mono  voice  where  high  fidelity  is  not  necessary.  It  is  good  also  for  cueing  and  interc om ? ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 124 h HOT TIP! Another characteristic of G.722’s statistical fra ming is that the decoder may remain locked despite serious corrup tio n of the data, although audio fidelity will deg rade. In cases where you are unable to get a good connection you may find this characteristic desirab le, however y ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 125 • Use  the  maximum  bitrate  you  can  afford  at  each  stage.  Hard  disk  recorders  and  other  studio  systems  often  have  an  option  to  adjust  this.  For  very  critical  work,  remember  t ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 126 6.2 Choosing the Best Coding Mode fo r Your Application The  following  chart  summarizes  and  compares  a  numb er  of  importan t  parameters  for  the  coding  modes  offered  in  the  Zephyr  Xstream.  AAC AAC-LD Layer-3 Layer-2 G. ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 127 AAC AAC-LD Layer-3 Layer-2 G.722 Delay : Stereo (128kbps) : Sample Rate: -- 32 kHz 242 msec 96 msec 452 msec 332 msec -- 48 kHz 190 msec 68 msec 326 msec 220 msec -- Mono (64k bps) : Sample Rate: 16 kHz -- -- -- 590 14 msec 24kHz -- -- -- 402 msec -- 32 kHz 284 msec 88 msec 390 msec 308 msec -- ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 128 It  should  now  be  clear  why  we  incl uded  AAC  and  AAC ‐ LD  in  the  Xstream.  These  modes  break  the  rules:  AAC  offers  the  best  fidelity  with  delay  less  than  Layer ‐ 2,  while  ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 129 t DEEP TECH NOTE! While the "Stereo" modes keep th e audio separate, the psychoacoustic mod el assumes the listener will be hearing both audio channels (i.e. it assumes that audio from on e chann el may mask audio o n the other ch annel). For this reason t he Mono/Dual mode is preferre ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 130 Mono vs. MONO128 vs. Stereo vs. J-Stereo in Layer-2 With  one  transmission  path,  • L2  Mono  64  provides  mono  capability.  •  The  L2  HALF  64  Xmt  mode  allows  operation  at  24kHz  when  this  sample  rate  ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 131 also  useful  for  network  operations  centers,  or  other  busy  facilities,  where  the  equipment  must  be  stretched  as  far  as  possible.  Connectivity   The  Xstream's  MPEG  bit  stream s  follow  ...
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USER’S MANUAL Section 6: AUDIO CODING REFERENCE 132   ...
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USER’S MANUAL Section 7: ISDN BASICS 133 7 ISDN BASICS 7.1 Background It  was  the  introduction  of  digital  transmission  services  from  telephone  providers,  which  has  made  the  Zephyr  family  possible.  The  telephone  infrastructure  ha s  moved  from  analog ? ...
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USER’S MANUAL Section 7: ISDN BASICS 134 With  the  digital  nature  of  the  modern  telephone  network  is  hidde n  from  subscribers,  voice  an d  signaling  has  been  delivered  just  as  they  have  been  since  the  era  of  wooden  phone  sets  ...
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USER’S MANUAL Section 7: ISDN BASICS 135 t DEEP TECH NOTE! The actual 2 B channels (i.e. t imeslots) of the BRI are a ssigned on a per call basis. The refore, from a theoretic al l y correct viewpoi nt, Lines 1 and 2 do not f ul ly corresp on d to B1 and B2. From  the  perspective  of  telephone  ne twork  routing,  each  ...
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USER’S MANUAL Section 7: ISDN BASICS 136 You  must  have  this  number,  and  it  must  be  100%  correct,  or  the  system  won’t  work.  Don’t  let  the  installer  depart  with out  leaving  them.  You’ve  been  warned!  h HOT TIP! Most phone companies ...
Telos Zephyr Xstream - page 149

USER’S MANUAL Section 7: ISDN BASICS 137 Z ZEPHYR CLASSIC VS XS TREAM COMPARI SO N! Most versions of the Zephyr Classic can opera te without Directory Numbers. Zephyr Xstream requires the DNs be present to receive i ncoming calls. Multiple  Subscriber  Numbers  (MSNs)  MSNs  perform  the  same  function  when  the ? ...
Telos Zephyr Xstream - page 150

USER’S MANUAL Section 7: ISDN BASICS 138 t DEEP TECH NOTE! The 56kbps limitation arises from a quirk of the o lder teleph one infrastructure. The channel banks that h ave been widely e mployed in the long-distance net work have a nati ve 64kbps capability, but “rob” the low order PCM bit on every sixth frame in order to c onvey supervision in ...
Telos Zephyr Xstream - page 151

USER’S MANUAL Section 7: ISDN BASICS 139 CSD and CSV Recall  that  each  ISDN  BRI  has  two  possible  B  channels.  It  is  possible  to  order  a  line  with  one  or  both  of  the  B  channels  enabled  –  and  each  may  be  enabled  for  ...
Telos Zephyr Xstream - page 152

USER’S MANUAL Section 7: ISDN BASICS 140 Zephyr Xstream ISDN Comp atibility Protocols The  Telco  network  and  the  Zephyr  Xstream  commun icate  via  a  ‘protocol’  –  the  language  the  user  equipment  and  the  telephone  network  use  to  converse  (on  the ? ...
Telos Zephyr Xstream - page 153

USER’S MANUAL Section 7: ISDN BASICS 141 The  Zephyr  Xstream  supports  all  of  these  with  the  appropriate  selection  of  the  " Telco "  menu ‐ selection  in  the  TEL  menu,  as  follows:  TELCO SWITCH BRI CIRCUIT PROTOCOL CORRECT TE LCO SETTING NOTES: AT&T/Luc ...
Telos Zephyr Xstream - page 154

USER’S MANUAL Section 7: ISDN BASICS 142 7.4 Switched 56 Switched  56  is  a  transition  technology,  which  is  often  available  in  areas  of  the  USA  &  Canada  where  ISDN  is  not  available.  As  the  name  suggests,  this  is  a  service  t ...
Telos Zephyr Xstream - page 155

USER’S MANUAL Section 8: LIVEWIRE TM – IP Audio 143 8 LIVEWIRE TM – IP A udio 8.1 Configuration of the Zep hyr Xstream for Livewire  Overview  Livewire  can  now  be  used  to  connect  your  Xstream  to  your  studio’s  Axia  audio  network.  Livewire  greatly  simplifies  wiri ...
Telos Zephyr Xstream - page 156

USER’S MANUAL Section 8: LIVEWIRE TM – IP Audio 144 • If  the  stream  being  received  by  the  codec  is  dual  mon o  (such  as  G.722),  the  decoded  audio  is  split  between  the  two  Livewire  sources.  The  first  source  has  the  A  mono  ...
Telos Zephyr Xstream - page 157

USER’S MANUAL Section 8: LIVEWIRE TM – IP Audio 145 Administration  IP Settings  This  is  where  you  will  give  the  Xstream  a  name  and  configure  the  IP  settings.  The  web  page  looks  like  this:      Host  name  A  12  digit,  alphan ...
Telos Zephyr Xstream - page 158

USER’S MANUAL Section 8: LIVEWIRE TM – IP Audio 146 w IMPORTANT! If  you  change  this  unit’s  IP  address,  you  will  lose  your  browser  con nection  when  you  click  Apply.  It  will  be  necessary  to  reconnect  using  the  new  IP  address.   G ...
Telos Zephyr Xstream - page 159

USER’S MANUAL Section 8: LIVEWIRE TM – IP Audio 147 action,  any  software  version  that  was  previously  located  in  Bank  0  will  be  replaced  by  the  new,  committed  version .  This  act ion  will  not  cause  a  reboot.   Livewire QoS  This  con ...
Telos Zephyr Xstream - page 160

USER’S MANUAL Section 8: LIVEWIRE TM – IP Audio 148 The  following  table  provides  the  settings  possible  for  choices  Live  Clock  Priority  and  provides  some  information  on  each  of  these  settings:   0  (always  slave)  “STL”  Unit  will  ne ...
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USER’S MANUAL Section 8: LIVEWIRE TM – IP Audio 149 801.1p  tagging,  802.1p  VLAN  ID,  802.1q  Priority,  &  DSCP  Class  of  Service  802.1p  tagging  is  necessary  within  the  Livewire  network  to  mark  high ‐ priority  audio  packets.  This  informat ...
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USER’S MANUAL Section 8: LIVEWIRE TM – IP Audio 150 excellent”  audio.  You  have  a  channel  number  range  available  from  1  to  32,767  so  there  are  lots  of  numbers  to  choose  from.     In  Basic  Mode,  the  backfeeds  will  have  ...
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USER’S MANUAL Section 8: LIVEWIRE TM – IP Audio 151 System Settings (GPIO)  This  page  of  the  Xstream  configuration  has  the  GPIO  input  mode  settin g.     Since  Livewire  has  the  capability  of  “embedded”  GPIO,  there  is  often  no  need ...
Telos Zephyr Xstream - page 164

USER’S MANUAL Section 8: LIVEWIRE TM – IP Audio 152  ...
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USER’S MANUAL Section 9: The V.35/X.21 Interface Option 153 9 T he V .35/X.21 Interface Option 9.1 Installing the V.35/X. 21 Interface option Some  Zephyr  Xstream  models  include  the  V.35/X.21  interface  option.  This  can  be  identified  by  a  miniature  hi ‐ density  40 ‐ pin  ...
Telos Zephyr Xstream - page 166

USER’S MANUAL Section 9: The V.35/X.21 Interface Option 154 6. Once  the  connectors  are  aligned,  push  the  V.35/X.21  option  card  straight  down  into  the  connector  on  the  motherboard.  Only  moderate  pressure  should  be  required  to  seat  the  car ...
Telos Zephyr Xstream - page 167

USER’S MANUAL Section 9: The V.35/X.21 Interface Option 155 Adtran 901  Explorer  Ave  Huntsville,  AL  35806  800 ‐ 827 ‐ 0807  www.adtran.com   Adtran  makes  all  sort  of  equipment  for  the  telecom  i ndustry.  The  Telcos  bu y  equipment  from  Adtran.  ...
Telos Zephyr Xstream - page 168

USER’S MANUAL Section 9: The V.35/X.21 Interface Option 156  These  configurations  would  be  similar  to  using  DDS  lines  (see  below),  however  it  gives  the  remainder  of  the  T1  capacity  for  some  other  purpose  between  the  two  sites  in  ...
Telos Zephyr Xstream - page 169

USER’S MANUAL Section 9: The V.35/X.21 Interface Option 157 9.3 Hook-Ups to Non-ISDN Synchronous Net works The V.35/X.21 Connection If  present,  the  V.35/X.21  interfac e  is  supplied  in  slot  B  slot,  looking  from  the  rear.  It  permits  connection  to  transmission  paths  ...
Telos Zephyr Xstream - page 170

USER’S MANUAL Section 9: The V.35/X.21 Interface Option 158 * Xstream does not support separate TX and RX clocks. RX Clock signal is sent out as TX Clock. # RTS and DTR are permanently asserted “true”. t DEEP TECH NOTE! The standard uses electrically ba lanced transmission for both clock and data (but not for th e special auxiliary signals, w ...
Telos Zephyr Xstream - page 171

USER’S MANUAL Section 9: The V.35/X.21 Interface Option 159 required  V.35  or  X.21  standard  and  in  the  case  of  Switched ‐ 56  provides  dialing  capability.  (Some  have  keypads  and  LCD  displays  for  this  function;  others  rely  upon  external  c ...
Telos Zephyr Xstream - page 172

USER’S MANUAL Section 9: The V.35/X.21 Interface Option 160 The  compact  plug  at  one  end  of  the  cable  snaps  onto  the  mating  connector  on  the  Zephyr  Xstream  with  a  locking  action.  To  release  the  plug,  the  two  pushbuttons  at  eit ...
Telos Zephyr Xstream - page 173

USER’S MANUAL Section 9: The V.35/X.21 Interface Option 161 V. 35 / X . 21 IN T E R F A C E ( MI N I - 4 0 P I N ) Ze p h y r ™ Xs t r e a m Li n e P o r t Da t a P o r t ( V .35/ X .21) T 1 / E 1 or ot h e r C S U/ D S U ( 112 kb p s o r g re a t e r) To T1 / E 1 or ot h er s ync hr o no us dat a pat h PO R T 1 (X m t & R c v) PO R T 2 (d ...
Telos Zephyr Xstream - page 174

USER’S MANUAL Section 9: The V.35/X.21 Interface Option 162 Z ZEPHYR CLASSIC VS XS TREAM COMPARI SO N Since the Zephyr does not have the L3 Dual/Mono Receive mode, data corrupti ons on either data channel will caus e dropou ts on both audio channels. Therefor e, Zephyr u sers performing tr oublesh ooting test s would nee d to switch t o mono oper ...
Telos Zephyr Xstream - page 175

USER’S MANUAL Section 9: The V.35/X.21 Interface Option 163 In  the  direction  CSU/DSU ‐ >  Zephyr  Xstream,  only  CD  (Carrier  Detect) ) is  impleme nted.  This  signal  is  used  to  tell  the  Zephyr  Xstrea m  which  port/channel  has  been  connected  an ...
Telos Zephyr Xstream - page 176

USER’S MANUAL Section 9: The V.35/X.21 Interface Option 164 Channel Assignment: DSU's  for  use  with  T1  or  E1  will  have  a  menu  that  determines  which  channel (s)  should  be  brought  out  (or  aggregated  and  brought  out)  to  each  V.35  port.  ...
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USER’S MANUAL Section 10: APPLICATIONS GUIDE 165 10 APPLICA TIONS GUIDE – Hints & Ideas Of  course  we  hope  that  you  will  (eventually)  read  through  the  other  sections  of  this  manual  –  we  give  you  a  lot  of  information  about  audio  coding ? ...
Telos Zephyr Xstream - page 178

USER’S MANUAL Section 10: APPLICATIONS GUIDE 166 Xstream ISDN to ISDN Connection Examples: Telephone Ne t wo r k M ono Mo n o M ono M ono IS D N (1 C al l ) IS D N ( 1 Ca ll) The  basic  Mono  56  or  64  kbps  ISDN  codec  connectio n  is  shown  above.  Th e  audio  quality  is  dependent ? ...
Telos Zephyr Xstream - page 179

USER’S MANUAL Section 10: APPLICATIONS GUIDE 167 Telephone Ne t wo r k Mo n o 2 X M ono Mo n o 2 X M ono IS D N (1 C al l) IS D N (2 C al ls ) Mo n o Mo n o IS D N (1 C al l) Dual  mode  operation  allows  a  "central"  codec  to  connect  to  two  "remote "  codecs  simultaneously. ? ...
Telos Zephyr Xstream - page 180

USER’S MANUAL Section 10: APPLICATIONS GUIDE 168 Telephone Ne t wo r k M ono Mo n o M ono M ono IS D N ( 2 Ca lls) IS D N (2 C al ls ) The  basic  Mono  112  or  128  kbps  ISDN  codec  connection  is  shown  above.  The  audio  quali ty  is  dependent  on  the  settings  in  th ...
Telos Zephyr Xstream - page 181

USER’S MANUAL Section 10: APPLICATIONS GUIDE 169 Xstream POTS to ISDN Connection Examples C o mmu n i c a t i o n s Grade Mo n o Telephone Ne t wo r k Mo n o Mo n o Broad cast Qu ality M ono PO T S (1 C al l) IS D N (1 C al l) The  "integrated  services"  of  ISDN  means  ISDN  line  can  communica te  with ...
Telos Zephyr Xstream - page 182

USER’S MANUAL Section 10: APPLICATIONS GUIDE 170 10.2 Choosing the Best Tran smit Mode for yo ur application FIDELITY versus CODING METHOD versus DELAY – A quick comparison We  have  listed  the  different  modes  here  in  approximate  order  of  delay.  See  Section  6  (Audio  Coding  Ref ...
Telos Zephyr Xstream - page 183

USER’S MANUAL Section 10: APPLICATIONS GUIDE 171 compression  ratio  required  to  accomplish  this  task  pushes  the  Layer ‐ 2  coding  to  the  limit,  with  obvious  artifacts  present.  L2  Mono ‐ 128  –  Offers  20kHz  or  15  kHz  frequency  response ? ...
Telos Zephyr Xstream - page 184

USER’S MANUAL Section 10: APPLICATIONS GUIDE 172 Also  note  that  Layer ‐ 3  has  more  delay  than  Layer ‐ 2  which  has  more  delay  than  AAC.  AAC ‐ LD  follows  with  G.722  having  the  shortest  delay.  Note  that  for  a  given  bit  rate ? ...
Telos Zephyr Xstream - page 185

USER’S MANUAL Section 10: APPLICATIONS GUIDE 173 Voice-over applications communicating with non-Telos codecs Most Common: G.722  is  the  most  commonly  available  coding  mode  in  the  world.  Use  G.722  for  your  Transmit  &  Receive  modes.  Note:  Since  the  quality ? ...
Telos Zephyr Xstream - page 186

USER’S MANUAL Section 10: APPLICATIONS GUIDE 174 When full fidelity is needed in bot h direction s: Field  Unit:  AAC ‐ LD  Mono  64  Transmit  and  AAC  64  Receive.  Studio  Unit:  AAC ‐ LD  Mono  64  Transmit  and  AAC  64  Receive  Use  32  kHz  sample  rate  for ? ...
Telos Zephyr Xstream - page 187

USER’S MANUAL Section 10: APPLICATIONS GUIDE 175 • The  same  stereo  audio  will  be  received  at  both  studios.  Return  audio  from  the  studio  connected  to  "Line  1"  will  be  output  "Cha nnel  A/Left"  and  Return  audio  from ? ...
Telos Zephyr Xstream - page 188

USER’S MANUAL Section 10: APPLICATIONS GUIDE 176 Transmitter  site  Unit:  AAC  or  L2  Receive  Use  48  kHz  sample  rate  10.4 Multi Codec conn ections Sometimes  one  Xstream  will  need  to  connect  to  two  other  units  simultaneously.  The  Xstrea m's  ...
Telos Zephyr Xstream - page 189

USER’S MANUAL Section 10: APPLICATIONS GUIDE 177 Xstream  also  has  the  useful  ability  to  send  Stereo  to  two  sites.  This  is  outlined  below:  Xstream C Tr an sm i t AAC J -S t ereo 6 4 Xstream A R ec ei v e = AAC 6 4 (u se " Li n e 1 " ) Xstream B R ec ei v e = AAC 6 4 (u se &q ...
Telos Zephyr Xstream - page 190

USER’S MANUAL Section 10: APPLICATIONS GUIDE 178 h HOT TIP! The Sample Rate and Bit Rate must be ma tched for the auto mode to detect the incoming bit stream. Certain  conventions  are  used  which  it  will  help  to  understand:  64  ‐ This  is  a  Zephyr  Xstream  Transmit  mode  that  ...
Telos Zephyr Xstream - page 191

USER’S MANUAL Section 10: APPLICATIONS GUIDE 179 Zephyr Xstream at far e nd: Transmit Mode at Far End Set Loca l Receiv e Mode to: AAC-LD Stereo AAC-LD AAC-LD J-Stereo AAC-LD AAC-LD Mono 128 AAC-LD AAC-LD Mo no 64 AAC-LD 64 AAC J-Stereo 64 AAC 64 AAC J-Stereo AAC AAC Stereo AAC AAC Mono 128 AAC AAC Mono 64 AAC 64 G.722 G. 722 * L2 Stereo L2 L2 J- ...
Telos Zephyr Xstream - page 192

USER’S MANUAL Section 10: APPLICATIONS GUIDE 180 Zephyr (classic) at far e nd: Transmit Mode at Far End: Set Local Rece ive Mode to: Set Local Sample Rate to: ° L3 DUAL or L3 MONO L3 Dual/Mono 32 or 48 kH z L3 STEREO L3 32 or 48 kHz L3 JSTEREO L3 32 or 48 kHz G.722 G.722 * Any L2 MONO L2 64 48 kHz L2 MONO128 L2 48 kHz ° L2 STEREO or L2 DUAL L2 ...
Telos Zephyr Xstream - page 193

USER’S MANUAL Section 10: APPLICATIONS GUIDE 181 Zephyr Xport at the far end When  Xport  is  on  ISDN  use  the  "Zephyr"  Dial  Mode  selection  on  the  dialing  Xstream  or  Xport:  • Transmit ‐ AAC ‐ LD  Mono  64  • Receive ‐ AAC ‐ LD  Mono  6 ...
Telos Zephyr Xstream - page 194

USER’S MANUAL Section 10: APPLICATIONS GUIDE 182 CCS CDQ Prima at far end Far End Setting (ID #): Set Local Receive Mode to: Set Local Transmit Mode to: Set Local Sample Rate to: Set Local Bit Rate to: 6: G.722_56K:QS G.722 G .722 * Any 56 kbps 7: G.722_64K:QS G.722 G .722 * Any 64 kbps 24:ZEPHYR/56K :QS L2 64 L2 Mono 64 48 kHz 56 kbps 25:ZEPHYR/ ...
Telos Zephyr Xstream - page 195

USER’S MANUAL Section 10: APPLICATIONS GUIDE 183 CCS Roadrunner at f ar end Far End Setting (ID #): Set Local Receive Mode to: Set Local Transmit Mode to: Set Local Sample Rate to: Set Local Bit Rate to: 1: L2/56/24 YES:QS L2 64 L2 Half 64 + Any 56 kbps 3: L2/56/32Y ES:QS L2 64 L2 Mono 64 32 kHz 56 kbps 5: L2/56/48Y ES:QS L2 64 L2 Mono 64 48 kHz ...
Telos Zephyr Xstream - page 196

USER’S MANUAL Section 10: APPLICATIONS GUIDE 184 PR OG RA M A UDIT I ON LR M i c 1 M i c 2 Z - X S T E A M P L A Y B A C K L R 10.6 Dealing With Delay Mix-Minus All  perceptual  coders  have  too  much  delay  for  talent  on  remote  to  hear  themselves  via  a  round ‐ trip  loop  without ...
Telos Zephyr Xstream - page 197

USER’S MANUAL Section 10: APPLICATIONS GUIDE 185 Example  2:  Using  a  Utility  Mixer  The  simplest  form  of  mix ‐ minus  using  a  Utility  Mixer  with  mono  in puts.  Two  mono  faders  and  two  busses,  AUX  1  and  AUX  2  are  used.  ...
Telos Zephyr Xstream - page 198

USER’S MANUAL Section 10: APPLICATIONS GUIDE 186 Remember,  if  any  of  the  announcer  audio  from  the  remote  site  is  ret urned  via  the  monitor  feed,  it  will  be  delayed  by  the  codec  link,  causing  an  echo  effect.  Problem.  The ? ...
Telos Zephyr Xstream - page 199

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 187 11 THE WORKS! - Detailed Menu R eference In  this  section,  we  cover  each  selection  of  every  menu  in  detail.  It  is  intended  as  a  reference,  and  for  those  using  some  of  the  more  s ...
Telos Zephyr Xstream - page 200

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 188 MENUS - The CODEC, TEL & SYSTEM Menus (all models)  CO D E C CO DE C CO DE C SYST EM TE L SYST EM SYS T EM SYS T EM SYS T EM TE L TE L TE L TE L SYSTEM SYST EM SYST EM S YST EM S YST EM CO DE C Co m p a t . Z e ph y r TE L S I P P or t 5060 U D P Po r t 9 1 5 0 H TTP Po rt ...
Telos Zephyr Xstream - page 201

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 189 MENUS - The DIAL & AUTO Menus (all mod els) AU T O 2 D I G I T S AU T O DI A L Ph on e # DI A L DRO P Fo u r T i m e s Ph on e # DI A L DR O P Fo u r Tim e s M AN U A L D I ALI N G AC T I VAT I N G A D I AL SET U P AU T O 3 D I G I T S AU T O AC T I VAT I N G A LO C AT I ON S ...
Telos Zephyr Xstream - page 202

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 190 MENUS - The Audio Menu (non-mixer model) AU D I O AU D I O AU D I O G a in Tr im Send Mix D is c r ete ...
Telos Zephyr Xstream - page 203

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 191 MENUS - The Audio Menu MX/MXP (mixer versions) AU D I O 1-4 Tim es AU D I O AU D I O 1-2 Tim es AU D I O AU D I O Ass i gn m e nt Unlo c k e d ...
Telos Zephyr Xstream - page 204

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 192 11.2 The AUDIO Menu – Xstream (non-mixer version) See  the  next  section,  if  your  Zephyr  Xstream  has  a  mixer  (models  Xstream  MX  or  Xstream  MXP).  Don't  forget  that  you  can  create  Locat ...
Telos Zephyr Xstream - page 205

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 193 13.1)  the  level  would  be  0  dBu  (nominal).  The  system  allows  for  18  of  headroom  above  nominal  level,  clipping  at  +22  dBu.  Consumer:  This  will  be ‐ 11  dBu  (nominal)  ...
Telos Zephyr Xstream - page 206

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 194 • This  adjustment  can  also  be  used  in  cases  where  a  low ‐ level  signal  source  must  be  used.  Again  you  shou ld  use  the  rated  clip  point  of  the  source  device  to  d ...
Telos Zephyr Xstream - page 207

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 195 w IMPORTANT TIP! When th e AES SAMPLE setting is set to Sync or Input there will be no AES output signal unless there i s a valid si gnal at t he Sync-IN or AES In jac k, respectively.  48kHz,  44.1,  &  32  kHz  These  options  sample  rate  con ...
Telos Zephyr Xstream - page 208

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 196 Livewire Since  Live wire  is  one  wa y  of  getting  audio  to  and  from  your  Xstream,  we  will  discuss  those  menus  here  as  well.  Pleas e  refer  to  Section  8  for  details  on  ...
Telos Zephyr Xstream - page 209

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 197 11.3 The AUDIO Menu – Xstream MX/MXP (mixer models) See  the  previous  section,  if  your  Zephyr  Xstream  does  not  have  a  mixer  section  (mod el  Xstream).  The  AUDIO  menu  has  items  related  to  t ...
Telos Zephyr Xstream - page 210

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 198 MIC  +30: ‐ 40  dBu  (nom)  Line  Con: ‐ 10  dBu  (nom)  Line  Pro:  +4  dBu  (nom)  The  nominal  values  given  above  assume  the  fader  is  mid ‐ position  and  the  AGC/Limit er  (proc ...
Telos Zephyr Xstream - page 211

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 199 w HOT TIP! Please don't use the "voice" processor setting s if your source includes musical material. The fast time constants u s ed in the Voice M and Voice H settings will cause noticeable ar tifacts if used on most music . Music:   This  setting  off ...
Telos Zephyr Xstream - page 212

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 200 Mon “x” Rcv Mix This  parameter,  in  combination  with  Mon  "x"  Rcv  Pan  selection  is  useful  for  when  only  a  single  return  channel  is  be ing  sent  from  the  far  end.  The ...
Telos Zephyr Xstream - page 213

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 201 B:  This  option  routes  the  outgoing  B  channel  audio  to  both  sides  of  the  Local  Mix.  Note  that  the  "A"  or  "B"  options  allow  a  single  outbound  signal  t ...
Telos Zephyr Xstream - page 214

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 202 Input Select (not pr esent in 10 Ba se-T version hard ware) The  MX/P  Xstreams  can  be  used  on  a  Livewire  Ethernet  network.  It  is  worth  noting  that  the  Livewire  inputs  bypass  the  mixer  sectio ...
Telos Zephyr Xstream - page 215

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 203  CODEC – Screen 2 Transmit: The  Transmit  setting  determines  what  standard  (i.e.  algorithm)  is  used  to  encode  the  audio  to  be  sent  to  the  far  end.  Each  mode  offers  distinct  a d ...
Telos Zephyr Xstream - page 216

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 204 L3  Mono  128  This  is  the  best  quality  Layer ‐ 3  mode  supported  on  the  Xstream.  Audio  present  on  the  A  input  will  be  encoded  and  transmitted.  By  using  both  B ? ...
Telos Zephyr Xstream - page 217

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 205 site  X  will  get  the  audio  from  audio  input  A  and  site  Y  will  get  the  audio  input  into  audio  input  B.  • Finally,  the  mode  can  be  used  to  transmit  two  chann ...
Telos Zephyr Xstream - page 218

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 206 c COMP ATIBILITY TIP! When two ch annels are required f or transmi ssion (i.e. for Stereo, J-Stere o, and Mon o 128) an "inverse multiplex" (IMUX) scheme must be us ed to brea k the standard MPEG data stream into two streams for transmission. In Layer-3, the Zephyr Xstr ...
Telos Zephyr Xstream - page 219

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 207 c COMPTIBILITY TIP! The Zephyr Xstream cannot re ceive two stereo f eeds from the far end (after all, where would the audio b e output?). When connected to two different sites simulta neously, you can receive an audio feed back from each usin g G. 72 2 or L3 Du al /Mono. AAC  ...
Telos Zephyr Xstream - page 220

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 208 G.722  acts  similarly  to  the  Dual  modes  discussed  above.  Audio  input  A  is  encoded  and  transmitted  on  "line  1"  while  Audio  input  B  is  transmitted  over  "line  ...
Telos Zephyr Xstream - page 221

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 209 c COMP ATIBILITY TIP! When two ch annels are required f or transmi ssion (i.e. for Stereo, J-Stere o, and Mon o 128) an "inverse multiplex" (IMUX) scheme must be us ed to brea k the standard MPEG data stream into two streams for transmission. In Layer-2, the Zephyr Xstr ...
Telos Zephyr Xstream - page 222

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 210 It  will  be  helpful  to  unders tand  the  following  terminology  when  determining  what  Receive  mode  should  be  used:  64  ‐ This  is  a  Zephyr  Xstream  Transmit  mode  that  requires ...
Telos Zephyr Xstream - page 223

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 211 L2  Mono  64  Receives  L2  Mono  64  (at  56  or  64  kbps)  over  "line"  1.  G.722  Receives  G.722.  Zephyr  Xstream  uses  the  Sta tistical  Recovery  Timing  (SRT)  synchronization  ...
Telos Zephyr Xstream - page 224

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 212 h HOT TIP! It is important to understand that the Transmit and Receiv e settings on t wo connected units may very well NOT match. This is because there are frequently times when it is appropriate to use a different coding mode coming versus go ing . The important thing to remembe ...
Telos Zephyr Xstream - page 225

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 213 h HOT TIP! Since the network has to know the bit rate for a given call, this information is availab le to the Xstream on incoming calls. Therefore, th e Xstream will switch to the rate of the incoming call. There is one exception however. If the Xstream al ready has a cal l in pr ...
Telos Zephyr Xstream - page 226

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 214 c COMP ATIBILITY TIP! Not all codecs suppo rt all samp le rates. 32kH z is most commonly supported in MPE G Layer- 3 whereas 48kHz is more commonly used in Layer-2. 24kHz is sometimes seen in Layer-2. In this case set your Transmit or Receive to “L2 Half/24” and th is Sample ...
Telos Zephyr Xstream - page 227

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 215 11.5 T h e T E L M e n u TEL – Screen 1: Status In  ISDN  or  V.35  mode…  …  This  screen  show s  the  status  of  each  of  the  two  ISDN  B  channels.  The  status  will  vary  depending  on ...
Telos Zephyr Xstream - page 228

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 216 SPID  Error ‐  The  SPID  entered  for  the  indic ated  channel  is  incorrect.  You  may  have  entered  it  wrong,  or  the  Telco  may  have  given  you  the  wrong  SPID  (or  entered ...
Telos Zephyr Xstream - page 229

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 217 i ISDN TIP! If the line status shows Ready & Ready and you can make calls, but cannot receive calls, check the following: -Is the Telco selection in the third TEL menu set correctly? If you have DMS Cust. ISDN (USA & Canada only) and your Telc o is set to Natl. I-1 you ma ...
Telos Zephyr Xstream - page 230

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 218 Status  Screen  when  Ethernet  Interface  is  selected:    The  first  Tel  screen  shows  the  number  of  attached  decoders  (players)  whenever  the  Interfac e  is  set  to  Ethernet . ? ...
Telos Zephyr Xstream - page 231

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 219 h HOT TIP! Most phone companies in the USA have settled on a standard ized SPID format, based on the telephone number. This fo rmat is area code+7 digit phone number + 0101. For example, if your phone numb er were (321) 555-1234 then your SPID wo uld be 32155512340101. However, n ...
Telos Zephyr Xstream - page 232

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 220 i ISDN TIP FOR BELLSOUTH CUSTOMERS! Despite the fact the BellSouth orig inated the proposal for the stan da rdised SPID (see above), many region al Bell Sout h offices leave off the last tw o digits of the SPIDs w hen giving th em to customers. If you are a BellSout h c ust o m e ...
Telos Zephyr Xstream - page 233

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 221 TEL – Screen 3: Telco: This  is  your  ISDN  protocol.  This  must  be  set  correctly  for  the  Xstream  to  make  or  receive  calls.  Select  the  correct  value  for  your  ISDN  BRI  circuit. ? ...
Telos Zephyr Xstream - page 234

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 222 i ISDN TIP! More on Telco Protocols : Guessing the Telco setting in Canada & USA: ∗ If you were given only a single phon e number and no SPIDs try AT&T Cust (PTP). ∗ If you were given 2 SPID s with the format: 01+7 dig it phone #+0 try AT& T Cust (PTP). ∗ If you ...
Telos Zephyr Xstream - page 235

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 223 All  calls,  regardless  of  call  types,  will  be  answered  automatically.  ISDN  Circuit  Switch  Data  calls  (i.e.  callers  from  a  Zephyr  Xst ream  when  the  Call  Type  is  set  to  ? ...
Telos Zephyr Xstream - page 236

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 224 The  V.35  Split  works  the  same  way  as  the  V.35  mode  on  the  Zephyr  classic.  The  same  Inverse  Multiplexing  (IMUX )  method  will  be  used  as  if  the  Interface  were  set ...
Telos Zephyr Xstream - page 237

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 225 Ethernet  (SIP)  and  Ethernet  (RTP)  This  selection  enables  Zephyr  Xstream's  built ‐ in  Ethernet  in terface  for  audio  coding  and/or  decoding.  This  allows  for  transmission  and  recept ...
Telos Zephyr Xstream - page 238

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 226 TEL - Screen 4 This  screen  has  setup  information  that  is  only  ne eded  when  using  on  off  the  Ethernet  options  for  Telco  (see  above).  For  more  informatio n  see  Appendix  6,  Spe ...
Telos Zephyr Xstream - page 239

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 227 TEL – Screen 5: DTMF: (On; Off) This  enables/disables  DTMF  "Touch  Tones"  when  connected  on  a  voice  call  (i.e.  call  ty pe  =  "phone").  These  are  useful  for  navigating  throug ...
Telos Zephyr Xstream - page 240

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 228 11.6 The SYSTEM Menu SYSTEM - Screen 1 This  menu  gives  summary  and  troubleshooting  information  about  the  system:  • Uptime ‐ The  times  since  the  system  was  last  powered  up  or  rebooted.  ? ...
Telos Zephyr Xstream - page 241

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 229 Contrast This  allows  you  to  change  the  contrast  of  Xstream's  LCD  display  to  accommodate  differing  room  lighting  or  viewing  angles.  Volume No,  this  doesn't  belong  in  the  A ...
Telos Zephyr Xstream - page 242

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 230  IP Addr This  is  the  IP  address  for  this  Xstream.  As  with  any  computer  on  an  IP  network,  the  Zephyr  Xstream  must  have  an  IP  address  before  it  can  be  used  over ...
Telos Zephyr Xstream - page 243

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 231 Gateway This  is  needed  only  when  using  IP  to  communicate  with  other  equipment  outside  your  local  network.  It  is  required  if  you  are  downloading  new  so ftware  directly  from  ...
Telos Zephyr Xstream - page 244

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 232 SYSTEM - Screen 4 Current Versions * Legacy Versions *Trusted <Reserved> ‐ T  There  are  no  user  settings.   is  the  domain  name  from  which  access  is  permitted.  Not  that  enterin g  anything  in ...
Telos Zephyr Xstream - page 245

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 233 w IMPORTANT TIP! The software d ownload proce ss must not be interrupted. Be sure your Xst ream is connect ed to a reliable source of power befo re p roceeding. Do not power off the unit until the so ftware update is c omplete, or t he unit has di splayed an err or and aborte d t ...
Telos Zephyr Xstream - page 246

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 234 h HOT TIP! The AUTO Receive mode (in the CODEC menu) may not w ork in the ISDN loop mode depending on the INTERFACE option selected (in the TEL menu) . Therefore, we suggest manually setting the Receive mode when performing tests with this option.  Audio  Loop  your ? ...
Telos Zephyr Xstream - page 247

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 235 Restore Fa ctory Defaults.. . This  selection  allows  you  to  clear  all  settings  of  your  Xstream.  All  menu  options  will  be  returned  to  the  factory  default  settings.  Don't  use  t ...
Telos Zephyr Xstream - page 248

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 236 PP in 0 to PP in 7 End ‐ to ‐ End  This  option  is  used  to  pass  contact  closure  information  to  the  far  end  using  the  ancillary  data  channel  present  in  certain  codec  mode s  (see  S ...
Telos Zephyr Xstream - page 249

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 237 SYSTEM - Menus 8 & 9 PP Out 0 to PP Out 7 SYSTEM  Menus  8  &  9  determine  the  function  for  each  of  the  eight  outputs  of  the  serial  port.  The  option  for  reach  output  can  be  ...
Telos Zephyr Xstream - page 250

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 238 Line  1  Conn  Causes  this  output  to  go  the  "true"  state  whenever  Li ne  2  is  in  the  "Connected"  state  (as  indicated  on  the  first  TEL  menu).  Lock  A*  AND ...
Telos Zephyr Xstream - page 251

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 239 11.7 Special Menus: Auto , Dial, & Drop Step  by  step  instructions  on  using  these  keys  are  located  in  Section  4.2.  In  this  section  we  will  go  into  additional  details  about  the  DI ...
Telos Zephyr Xstream - page 252

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 240 w IMPORTANT TIP! The Number field in the DIAL menu is different from other entry fields in the Zephyr Xstream. It is NOT necessary to press < SEL > before entering the numbe r to be dial e d. While we like consistency, this field is u sed so often, it made sense to make it ...
Telos Zephyr Xstream - page 253

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 241 The DROP menu The  Drop  menu  is  activated  by  pressing  the  < DROP >  button  once.  It  looks  like  this:  The  system  will  default  to  Line  1  if  that  line  is  in  use.  It ...
Telos Zephyr Xstream - page 254

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 242 h HOT TIP! If you are usi ng one of t he Xstream's V .35 interf ace modes (see Secti on 9)you can use Dial Setup s without phone numbers to conveniently changes modes. If a setup c ontaining a phone n umber is acti vated whil e the Interface (in the third TEL menu) is set to ...
Telos Zephyr Xstream - page 255

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 243 Dial Setups when using V.35/X.21 Dial  setups  are  sometimes  used  as  a  "short ‐ cut"  method  of  changing  codec  parameters  when  using  the  V.35  option.  If  you  are  using  one  of  t ...
Telos Zephyr Xstream - page 256

USER’S MANUAL Section 11: THE WORKS – Detailed Menu Reference 244 h HOT TIPS! Users have found the following “Pan ic Dia l Tricks” handy: 1. Mode reset . Create the Dial Setup(s ) to be used with out any pho ne numbers and to "include" c odec inform ation. Name t hem after t he associated modes stored wi th the setup( s). You can ...
Telos Zephyr Xstream - page 257

USER’S MANUAL Section 12: System Functions and Remote Control 245 12 System Functions and R e mote Control 12.1 A n c i l l a r y D a t a Serial Data Transmission The  serial  interface  can  be  used  to  control  the  Zephyr  Xstream,  i.e.  to  change  transmission  modes  or  request  stat ...
Telos Zephyr Xstream - page 258

USER’S MANUAL Section 12: System Functions and Remote Control 246 TRANSMIT MODE RATE (bps) L3 Dual/Mono 2400 L3 Stereo/Jstereo 9600 L3 Mono 128 9600 AAC Mono 64 AAC-LD Mon o 64 2400 AAC Stereo/Jstereo AAC-LD Stereo/Jstereo 9600 AAC Mono 128 AAC-LD Mon o 128 9600 L2 Mono 64 2400 L2 Half 64 2400 Ancillary  data  is  supported  in  th ...
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USER’S MANUAL Section 12: System Functions and Remote Control 247 Contact Closur es For  additional  information  on  connectin g  to  the  parallel  GPIO  port  see  manual  Sections  3.2  (Guided  Tour  of  the  Hardware ‐ non  mix er)  and  Se ction  3.4  Guided  T ...
Telos Zephyr Xstream - page 260

USER’S MANUAL Section 12: System Functions and Remote Control 248 You  will  be  using  a  computer  “Terminal  Emulation”  program  such  as  Windows  HyperTerminal  or  ProComm  for  IBM  compatibles  or  White  Night  or  Z ‐ term  for  the  Mac.  Configure ...
Telos Zephyr Xstream - page 261

USER’S MANUAL Section 12: System Functions and Remote Control 249 To  get  a  list  of  all  available  commands  type : " help * <enter>” as shown below. >>Help * Built-in commands: Name.......: printsender Parameter..: - Group......: Multicast Description: Show all defined Stream Senders. Name.......: ...
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USER’S MANUAL Section 12: System Functions and Remote Control 250 Description: Select analog/AESEBU input level in dB. Name.......: zlog Parameter..: [SYS|ISDN|IMON|SEXT|TIME|ITIM] Group......: Zephyr-style Description: Switch on a combination of logging channels. No parameter will switch off logging. Name.......: zloop Parameter..: <off|far|n ...
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USER’S MANUAL Section 12: System Functions and Remote Control 251 Name.......: etherrate Parameter..: <8|12|14|16|18|20|24|32|40|48|56|64|80|96|112|128> Group......: Stream Decoder Description: Choose bitrate for Ethernet operation. Name.......: ipdchost Parameter..: [<host name or IP>] Group......: Stream Decoder Description: Set Dec ...
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USER’S MANUAL Section 12: System Functions and Remote Control 252 with a setup index it is erased. If the exclamation mark is specified the autodial is activated. If only 'index' is specified this setup will be displayed. Name.......: backlight Parameter..: <0..0x7F> Group......: Misc Description: Select the frontpanel LCD screen ...
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USER’S MANUAL Section 12: System Functions and Remote Control 253 Parameter..: - Group......: Status Description: Display contents of available variables. Name.......: fpdump Parameter..: [<FTP server> Group......: Misc Description: Dump out the contents of the currently visible frontpanel screen. This is the UU encoded version of the file ...
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USER’S MANUAL Section 12: System Functions and Remote Control 254 Name.......: ipftphost Parameter..: [<host name or IP>] Group......: FTP/Telnet Description: Set or display the server that is used to download system and loadset software updates. Default is ftp.zephyr.com. Name.......: ipupdate Parameter..: [<file-name>] Group......: ...
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USER’S MANUAL Section 12: System Functions and Remote Control 255 Description: Select ISDN telco type. Unit must be reset in order for the change to take effect. Name.......: levelin Parameter..: <cons|prof> Group......: Audio Description: Select consumer or professional level for analog inputs. Name.......: levelout Parameter..: <cons|p ...
Telos Zephyr Xstream - page 268

USER’S MANUAL Section 12: System Functions and Remote Control 256 Name.......: micprocess Parameter..: [<mic1..4> <VoiceL|VoiceM|VoiceH|Music|Off>] Group......: Audio Description: Select the processing type for the specified microphone input. Name.......: micpan Parameter..: [<mic1..4> <-10...+10>] Group......: Audio Descr ...
Telos Zephyr Xstream - page 269

USER’S MANUAL Section 12: System Functions and Remote Control 257 reset statistics. Name.......: pp Parameter..: ['in' [val]|'out' [val]] Group......: Misc Description: Override incoming or outgoing parallel port values. Return to normal operation if 'val' is not specified. Read current input & output value if no ...
Telos Zephyr Xstream - page 270

USER’S MANUAL Section 12: System Functions and Remote Control 258 Group......: Codec Description: Enter or display the V.35 highspeed encoder bitrate. Name.......: v35deco Parameter..: [l2|l3|aac|aacld] Group......: Codec Description: Enter or display the V.35 highspeed decoder algorithm. Name.......: v35enco Parameter..: [l2mono|l2stereo|l2joint ...
Telos Zephyr Xstream - page 271

USER’S MANUAL Section 12: System Functions and Remote Control 259 Group......: Http Description: Set TCP port, default 1024 Name.......: setMp3port Parameter..: [<Port>] Group......: Http Description: Set Mp3 port default 8000 Batch commands: <none> Control via Ethernet using Telnet You  can  connect  to  the  same  ...
Telos Zephyr Xstream - page 272

USER’S MANUAL Section 12: System Functions and Remote Control 260 The  Xstream's  HTML  browser  interface  has  been  tested  with  the  f ollowing  browsers  (others  will  probably  work  as  well).  • Firefox  (Windows)  1.01  • Internet  Explorer  (Windows)  ver ...
Telos Zephyr Xstream - page 273

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 261 13 DEEP TECH INFORMA TI ON & TROUBLESHOOTING w IMPORTANT! As with any piece of moder n electronic gear, it is advisable that precauti ons be taken t o prevent damag e caused by po wer surges. St andard line sur ge protectors c an be used t o offer some degree of protect ...
Telos Zephyr Xstream - page 274

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 262 13.1 Accessing the Hardware e IMPORTANT! WARNING! DANGER! Always disco nnect AC (m ains) power a nd Teleph one Circu it Before removing the Zephyr Xstrea m’s cover. Potentially lethal voltages are inside! Failure to ob serve the above warning may result in electric shock, ...
Telos Zephyr Xstream - page 275

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 263  It  is  possible  to  shift  the  nominal  inputs  levels  4  dB  lower  (i.e.  4  dB  more  sensitive)  therefore  resulting  in  0dBu(Professio nal)/ ‐ 15dBu(Consumer)  levels.  This  is  don ...
Telos Zephyr Xstream - page 276

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 264 3. Verify  that  the  version  number  of  this  board  is  1401 ‐ 00008 ‐ 006  (Rev  F)  or  later.  4. Locate  jumpers  JP7  and  JP8  on  the  MIC  Audio  Board.  These  are  located  ne ...
Telos Zephyr Xstream - page 277

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 265 troubleshoot.  Therefore,  we  expect  that  most  repairs  will  need  to  be  done  by  Telos  or  our  authorized  representatives.  See  page  III  for  details  on  obtaining  service  ...
Telos Zephyr Xstream - page 278

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 266 IMPORTANT!  The  Xstream  will  reboot  after  you  click  Apply  if  you  change  the  software  version.  This  will  disconnect  any  calls.  Saving Bank 1 Software Software  is  always  downloaded  ...
Telos Zephyr Xstream - page 279

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 267 3. A  successful  download  will  be  indicated  by  the  new  version  being  displayed  in  the  Bank  1  field.  If  the  download  is  unsu ccessful  the  field  for  Bank  1  would  ...
Telos Zephyr Xstream - page 280

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 268 2. Start  the  Telos  update  server  by  double  clicking.  It  is  important  that  the  download  process  comple ted  without  interruption.  If  local  power  is  not  reliable,  you  might ? ...
Telos Zephyr Xstream - page 281

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 269 Select  FTP  update…  an d  press  < SEL >.  Press  < 5 >  or  < 6 >  to  choose  OK  .  Press  < SEL >.  The  unit  will  reboot  once  the  update  is  comple te.  I ...
Telos Zephyr Xstream - page 282

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 270 DNS  –  This  is  the  IP  address  of  the  DNS  (Domain  Name  Server)  you  will  be  using.  Press  < SYSTEM >  and  enter:  FTP  site ‐  This  would  normally  be  ftp.z ...
Telos Zephyr Xstream - page 283

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 271 h HOT TIP! If you don't know a valid DN S (domai n name sever) IP address, you can still update your Xstream from the Telos ftp site by obtaining the current IP address of the Telos FTP server as follows: 1. Go to the MS-DOS command line of t he Wi ndows machine (Run & ...
Telos Zephyr Xstream - page 284

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 272 • Locate  the  notch  on  the  SIMM  module  to  your  right  (towards  the  rear  of  the  Xstream).  • At  a  30  degree  angle  from  vertical,  insert  the  SIMM  module  into  its ? ...
Telos Zephyr Xstream - page 285

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 273 13.5 Troubleshoo ting The  following  sections  discuss  various  areas  where  you  may  encounter  challenges.  We  have  categorized  this  section  into  logical  problem  areas  to  make  it  as ? ...
Telos Zephyr Xstream - page 286

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 274  Let  us  now  cover  each  step  of  the  troubleshooting  sequence  in  detail.  Step  1.  Observe  the  behavior  to  find  the  apparent  bug.  In  other  words,  determine  the  b ...
Telos Zephyr Xstream - page 287

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 275 13.6.1 Diagnostic Indicators The  Xstream  has  a  number  of  diagnostic  indicators  to  help  in  troubleshooting  difficulties.  They  are:  SYNC status LED When  ISDN  is  selected  for  the  Interface ? ...
Telos Zephyr Xstream - page 288

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 276  Normal  status  is  indicated  by  the  LED  being  lit.  Rapid  flashing  indicates  loss  of  the  ISDN  line  at  the  lowest  (physical,  OSI  Layer  1)  level,  or  use  of  the ...
Telos Zephyr Xstream - page 289

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 277 style  jack,  just  like  on  a  standard  telephone.  If  the  problem  continues,  you  should  “reseat”  the  ISDN  card.  This  state  could  indicate  a  marginal  ISDN  line.  I ...
Telos Zephyr Xstream - page 290

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 278  Call  Proceeding  Outgoing  call  in  process;  Telco  switch  has  acknowledged  the  call  request  and  is  waiting  for  routing  information  from  network.   Outgoing  Ring  Outgoing  call ...
Telos Zephyr Xstream - page 291

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 279 • ISDN  This  option  causes  two  different  things  to  happen.  a) Data  coming  in  the  ISDN  interfac e  (when  INTERFACE  is  set  to  ISDN  )  is  sent  back  out  the  same  chann ...
Telos Zephyr Xstream - page 292

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 280 13.6.3 Audio Difficulties Condition: ISDN Conn ecting OK, B ut No Aud io What  is  the  state  of  the  LOCK  LEDs?  Check  the  LOCK  LED.  On  means  OK,  connected  and  receiving  valid  data.  If  not ...
Telos Zephyr Xstream - page 293

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 281 Are  the  Xstream‘s  modes  set  properly?  The  Xstream’s  Transmit  Mode  and  Receive  Mode  (bo th  located  in  the  second  CODEC  menu)  must  be  set  to  the  proper  conditions  a ...
Telos Zephyr Xstream - page 294

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 282 Check  the  Send  bargraph  meter  for  proper  indication.  Confir m  that  the  top  Se nd  LED  is  flashing  not  at  all.  Input/send  gain  is  set  on  the  AUDIO  menu  screen. ? ...
Telos Zephyr Xstream - page 295

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 283 certain  peculiarities  may  be  specific  to  a  given  switch.  Te los  Customer  Support  will  want  to  know  your  SPIDs  and  this  information  when  assisting  you.   You  may  be ? ...
Telos Zephyr Xstream - page 296

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 284 i ISDN TIP FOR BELLSOUTH CUSTOMERS! Despite the fact the BellSouth orig inated the proposal for the stan da rdised SPID (see above) many region al Bell Sout h offices leave off the last two digit s of the SPI Ds. If you are a BellSout h c usto mers and are given a SPI D of ...
Telos Zephyr Xstream - page 297

USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 285 SPID  Error ‐  This  option  is  only  valid  when  the  Telco  selection  of  the  TEL  menu  is  set  to  “Natl.I ‐ 1”  or “DMS  Cust.”.  The  SPID  entered  for  the  indicate ...
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USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 286 Is  the  problem  only  with  one  BRI  circuit?  Does  the  problem  move  when  you  switch  the  line  to  another  ISDN  unit?  If  the  problem  remains  with  the  line,  then  call ...
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USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 287 Try  a  call  to  another  local  number.  Have  the  far  end  try  this  test  as  well.  Try  calling  yourself,  both  using  both  “call  type  –  Zephyr”  and  “call  type  ...
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USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 288 When  using  the  built ‐ in  NT1,  and  the  U  sync  LE D  occasionally  cycles  to  the  fast  flashing  state,  then  the  line  or  NT1  is  marginal.  What  is  consistent  about  th ...
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USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 289 13.6.5 Ethernet Related Difficulties Condition: Unable to Telne t into the Xstrea m Is  the  Green  link  LED  on  the  Ethern et  jack  lit?  Is  the  "Link"  LED  on  the  hub  or  other  equipment  ...
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USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 290 Condition: Able to con nect and lock to a dista nt site u sing IP , but au dio dropou ts occur frequently Do  local  LAN  connections  work  ok  (or  with  a  greatly  reduced  number  of  dropouts?  Increasing  the  buffer ? ...
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USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 291 Condition: Unable to c onnect when using SIP mode. If  standard  streaming  works,  and  SIP  streaming  does  not,  then  the  proper  port  for  SIP  is  probably  not  been  opened  up  on  the  firewal ...
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USER’S MANUAL Section 13: Deep Te ch Informat ion and Troubleshooting 292 e CAUTION - DANGE R! ! The Zephyr’s power fuse is located i nside the box , on the power supply mod ule. To change it, you will h a ve to remove the top cover. Be sure to remove AC power before openi ng the unit. For continued protec tion against fire, re place fuse only ...
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USER’S MANUAL Section 14: SPECIFICATIONS and WARRANTY 293 14 SPECIFICA TIONS & WARRANTY 14.1 Specific ations General  • Full  duplex,  high ‐ fidelity  codec  using  MPEG ‐ 2  AAC,  MPEG ‐ 4  AAC ‐ LD  MPEG ‐ 2  Layer ‐ 3,  MPEG ‐ 2  Layer ‐ 2,  AACPlus,  and  G.722;  fully ...
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USER’S MANUAL Section 14: SPECIFICATIONS and WARRANTY 294 • Analog  soft ‐ clipper  prevents  A/D  converter  overload  without  loss  of  dynamic  range.   Line  Bit  Rates  (ISDN)  • 56  or  64kbps  per  channel,  front  panel  selectable.   Bit  Rates  (V.35 ...
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USER’S MANUAL Section 14: SPECIFICATIONS and WARRANTY 295 • Bi ‐ directional  ancillary  data:  Serial  connection  at  2400  or  9600  (AAC  and  Layer  3)  bps;  eight  contact  closures  (for  end  to  end  transmission  or  local  status  and  control).  ? ...
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USER’S MANUAL Section 14: SPECIFICATIONS and WARRANTY 296 14.2 Zephyr Xstre am Limited Warranty This  Warranty  covers  “the  Products,”  which  are  defined  as  the  various  audio  equipment,  parts,  software  and  accessories  manufactured,  sold  and/or  distributed  by  ...
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USER’S MANUAL Appendix 1 – Codec Interoperability Information 297 APPENDICES A ppendix 1: Codec Interoper ability Infor mat ion The  Xstream  will  communicate  with  G.722  and  MPEG  compliant  codecs.  At  the  time  of  the  release  of  this  manual,  we  had  tested  intero ...
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USER’S MANUAL Appendix 1 – Codec Interoperability Information 298 ...
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USER’S MANUAL Appendix 2 – Finding Public Codec User Lists 299 A ppendix 2: Finding Public Codec User Lists When  you  need  to  find  a  Zephyr  Xstr eam,  ZephyrExpress,  Zephyr,  or  comp atible  codec  to  communicate  with  in  another  city,  there  are  a  number  of ? ...
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USER’S MANUAL Appendix 2 – Finding Public Codec User Lists 300  EdNet   San  Francisco,  CA   415 ‐ 274 ‐ 8800  Service  to  recording  studios  and  broadcasters.  Operates  about  five  hundred  sites,  mostly  at  recording  studios.  They  handle  billing ? ...
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USER’S MANUAL Appendix 3 – ISDN Cause Phrases/Values 301 Appendix 3: ISDN Cause Phr ases/V alues When  there  is  an  ISDN  event  or  problem  in  the  network,  a  cause  code  appears  on  the  LCD  screen  or  ISDN  protocol  log  that  communicates  information  ...
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USER’S MANUAL Appendix 3 – ISDN Cause Phrases/Values 302 Cause  No.  10  –  Prefix  1  not  dialed  (DMS  Custom  only)  Indicates  that  the  prefix  1  was  not  included  in  the  called  party  address  and  is  required.  Cause  No.  11  –  Exc ...
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USER’S MANUAL Appendix 3 – ISDN Cause Phrases/Values 303 diagnostic  field.  If  a  network  does  not  support  this  cause,  cause  no:  1,  unallocated  (u nassigned)  number  shall  be  used.  Cause  No.  26  –  Non ‐ selected  user  clearing  This  caus ...
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USER’S MANUAL Appendix 3 – ISDN Cause Phrases/Values 304 Cause  No.  41 ‐ Net  problem,  redial  (Temporary  Failur e)  This  cause  indicates  that  the  network  is  not  functioning  correctly  and  that  the  condition  is  not  likely  to  last  a  lon ...
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USER’S MANUAL Appendix 3 – ISDN Cause Phrases/Values 305 This  cause  indicates  that  the  user  has  requeste d  a  bearer  capability  which  is  implemented  by  the  equipment  which  gen erated  this  cause  but  the  user  is  not  authorized  to  use  ...
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USER’S MANUAL Appendix 3 – ISDN Cause Phrases/Values 306 Used  to  indicate  that  the  destination  address  is  missing  or  incomplete  or  Used  to  indicate  a  non ‐ existent  Closed  User  Group  Cause  No.  95  –  Invalid  message,  unspecified  This ? ...
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USER’S MANUAL Appendix 3 – ISDN Cause Phrases/Values 307 This  cause  indicates  that  the  switch  sending  this  caus e  is  clearing  the  call  because  a  threshold  has  been  exceeded  for  multiple  protocol  errors  during  an  active  call.  Cause  No. ...
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USER’S MANUAL Appendix 3 – ISDN Cause Phrases/Values 308 ...
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USER’S MANUAL Appendix 4 – Known Working SPID Formats by Telco 309 A ppendix 4: Kno wn W or king SPID F or mats by T elco SPIDs  are  only  used  in  the  USA  &  Canada.  Your  SPIDs  may  be  different!  Note,  for  each  line  there  is  only  one  configuration  ...
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USER’S MANUAL Appendix 4 – Known Working SPID Formats by Telco 310 Cincinnati Bell 01YYYZZZZ000 Or, SPID1 00YYYZZZZ01 SPID2 00YYYZZZZ02 Or, 00YYYZZZZ 01 Fort Mills Telephone XXXYYYZZZZ Frontier Communications 01YYYZZZZ000 GCI (Alaska) XXXYYYZZZZ00 GTE XXXYYYZZZZ0101 Or, XXXYYYZZZZ0001 Or 01YYYZZZZ000 Or XXXYYYZZZZ00 Or 01YYYZZZZ 0 Or, XXXXYYYZZ ...
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USER’S MANUAL Appendix 4 – Known Working SPID Formats by Telco 311 SNET (Southern New England Telephone) 01YYYZZZZ 00 Or, 01YYYZZZZ000 Or, XXXYYYZZZZ0101 Southwestern Bell XXXYYYZZZZ0101 Or XXXYYYZZZZ Or 01YYYZZZZ000 Or 01YYYZZZZ 00 Or XXXYYYZZZZ01 Sprint/Centel XXXYYYZZZZ100 Or, XXXYYYZZZZ0000 Or, SPID1 XXX YYYZZZZ000 SPID2 XXXYYYZ ZZZ100 Stan ...
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USER’S MANUAL Appendix 4 – Known Working SPID Formats by Telco 312 ...
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USER’S MANUAL Appendix 5 – Suggested Reading 313 A ppendix 5: Suggested R eading and R ef erences ISDN ISDN  –  A  Practical  Guide  to  Getting  Up  and  Running ;  William  A.  Flanagan;  Flatiron  Publishing,  Telecom  Books,  New  York,  1996;  www.telecombooks.com  .  Lots ...
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USER’S MANUAL Appendix 5 – Suggested Reading 314 IP and Livewire Introduction  to  Livewire  –  an  Axia  Audio  publication.  Available  for  download  at:  http://www.axiaaudio.com/manuals /files/IntroToLivewire2.1.pdf  Practical  IP  and  Telecom  for  Broadcast  Engineering ...
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USER’S MANUAL Appendix 6 – Special Operat ional Modes 315 A ppendix 6: Streaming and S pecial Oper ational Modes  The  Zephyr  Xstream  offers  several  special  modes  that,  when  selected,  change  its  functionality,  as  well  as  its  "personality".  Ethernet  ...
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USER’S MANUAL Appendix 6 – Special Operat ional Modes 316  Transmit  The  Transmit  setting  determines  what  standard  (i.e.  Al gorithm)  is  used  to  encode  the  audio  to  be  sent  to  the  far  end.  Each  mode  offer s  dist inct  advant ages  and  ...
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USER’S MANUAL Appendix 6 – Special Operat ional Modes 317 Bit Rate (per stream) 8 12 14 16 18 20 24 32 40 48 56 64 80 96 112 128 Allowable Streams 15 15 14 14 14 13 13 13 11 10 9 7 6 5 3 2 The  formula  for  estimating  the  required  bandwidth  re quirement  is:  Required  Bandwidth  =  Numb er  of  Un ...
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USER’S MANUAL Appendix 6 – Special Operat ional Modes 318 STREAMING MODES Depending  on  the  Interface  selected  in  the  TEL  menu,  the  Xstreams  streaming  works  differently.  Here  is  a  review  of  the  different  options:  HTTP  The  familiar  Pull ‐ Only ? ...
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USER’S MANUAL Appendix 6 – Special Operat ional Modes 319  SIP  Port  (De fault  5060)  SIP  uses  a  TCP  port,  as  its  communication  is  bidirectional.  The  SIP  port  is  what  is  used  for  the  connection  protocol,  that  layer  that  initiates  ...
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USER’S MANUAL Appendix 6 – Special Operat ional Modes 320 Port  forwarding  is  basically  telling  the  router  that  when  it  receives  packets  from  the  Wide  Area  Network  on  a  given  port,  from  those  packets  should  be  forwarded  transparently  t ...
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USER’S MANUAL Appendix 6 – Special Operat ional Modes 321 Contact  the  operator  on  some  other  channel  to  confirm  receipt  of  the  stream,  as  there  is  no  reverse  communication  Receiving  To  receive  an  RTP  strea m  from  behind  a  firewall, ? ...
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USER’S MANUAL Appendix 6 – Special Operat ional Modes 322 TRANSMITTING AN MPEG Layer 3 or AAC STR EAM Changing  the  Interface  selection  in  the  3rd  TEL  menu  to  Ethernet  will  automatica lly  start  a  stream.  The  bit  rate  and  Transmit  (coding  mode)  for  ...
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USER’S MANUAL Appendix 6 – Special Operat ional Modes 323 V.35 SINGLE Mode (high speed V.35/X.21 synchronou s operation) The  menus  and  operation  of  the  Xstream  when  using  the  V.35  Split  setting  of  the  Interface  selection  in  the  third  TEL  menu  are  identic ...
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USER’S MANUAL Appendix 6 – Special Operat ional Modes 324 This  encodes  a  single  mono  bitstream  using  a  single  audio  input  (the  audio  on  channel  A).  L3  mono  offers  15  kHz  audio  frequency  response  if  the  Sample  Rate  is  set  to ? ...
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USER’S MANUAL Appendix 6 – Special Operat ional Modes 325 These  work  similarly  to  the  equivalent  Layer ‐ 3  modes.  O ffers  20  kHz  audio  frequency  response  when  the  sample  ra te  is  48  kHz  and  15  kHz  response  when  the  sample  r ...
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USER’S MANUAL Appendix 6 – Special Operat ional Modes 326 ALGORITHM BIT RATE (kbps) 96 112 128 256 3 84 AAC Ste reo 32 kH z 48 kHz 32 kHz 48 kHz 32 kHz 48 kHz 32 kHz 48 kHz 32 kHz 48 kHz AAC Mono 32 kHz 48 kHz 32 kHz 48 kHz 32 kHz 48 kHz 48 kHz Not Supported AAC-LD S tereo 3 2 kHz 48 kHz 32 kHz 48 kHz 32 kHz 48 kHz 32 kHz 48 kHz 32 kHz 48 kHz A ...
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USER’S MANUAL Appendix 7 – Ordering ISDN for Countries Using ETS300 (EURO ISDN) 327 A ppendix 7: Ordering ISDN for ETS 300 (Eur o ISDN) This  section  applies  to  users  in  Europe  and  other  countries  where  the  Euro ‐ ISDN  ETS  300  standard  is  supported  (Euro pe,  much  o ...
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USER’S MANUAL Appendix 7 – Ordering ISDN for Countries Using ETS300 (EURO ISDN) 328 CSD and CSV Recall  that  each  ISDN  BRI  has  two  possible  B  channels.  It  is  possible  to  order  a  line  with  one  or  both  of  the  B  channels  enabled  –  and ? ...
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USER’S MANUAL Appendix 7 – Ordering ISDN for Countries Using ETS300 (EURO ISDN) 329 until  a  call  attempt  is  made .  If  your  application  is  critical,  you  may  wish  to  request  that  the  Telecom  disable  line  deactivation. FAXABLE ISDN ORDER FORMS FOR ETS 300 Follow ...
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USER’S MANUAL Appendix 7 – Ordering ISDN for Countries Using ETS300 (EURO ISDN) 330 ISDN BRI LINE ORDERING INFORMATION ETS 300 ( not for use in USA & Canad a) Telos Ze phyr Xstream To: Telecom___________________ _____________________ Attention: From:______________ __________________ ______ Location for line:_ __________________ ___ Company: ...
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USER’S MANUAL Appendix 8 – Ordering ISDN for the USA and Canada 331 A ppendix 8: Ordering IS DN for the USA & Canada This  section  applies  to  users  in  Canada  &  USA  and  is  intended  to  help  you  when  it  comes  time  to  order  your  ISDN  lines.  We ...
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USER’S MANUAL Appendix 8 – Ordering ISDN for the USA and Canada 332 COMPANY TELEPHONE NUMBER WORLDWIDE WEB Ameritech  800 ‐ TEAMDATA  (800 ‐ 832 ‐ 6328)  www.ameritech.com  Bell  Atlantic  800 ‐ 570 ‐ ISDN  (800 ‐ 570 ‐ 4736)  www.ba.com   (see  below  for  former  NYNEX ...
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USER’S MANUAL Appendix 8 – Ordering ISDN for the USA and Canada 333 Details, Details In  order  to  communicate  a ccurately  what  it  is  you  need,  we  think  you  should  be  familiar  with  the  vocabulary  used  to  describe  ISDN.  As  with  anythi ng,  for ...
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USER’S MANUAL Appendix 8 – Ordering ISDN for the USA and Canada 334 providing  you  with  the  pho ne  numbers  of  your  B  channels  (of ten  called  "Directory  Numbers",  or  "DNs")  and  your  SPIDs!  Directory Number (DN) These  are  simply  your  sev ...
Telos Zephyr Xstream - page 347

USER’S MANUAL Appendix 8 – Ordering ISDN for the USA and Canada 335 IOC Capability Packages (prov isioning package or ordering code) Increasingly  Telcos  are  using  ISDN  Ordering  Code  (IOC)  capability  packages  for  ISDN  ordering  (National  ISDN  protocol  only) .  If  your  t ...
Telos Zephyr Xstream - page 348

USER’S MANUAL Appendix 8 – Ordering ISDN for the USA and Canada 336 ISDN BRI LINE ORDERING INFORMATION USA & Cana da Telos Zep hyr Xstream, Zephy r or Zephy rExpress To: Telecom__________ __________________ ___ __________ Attention: From: Location for line: Company: Company: Address: Address: City/State/ZIP: City/State/ZIP: Phone: Phone: Co ...
Telos Zephyr Xstream - page 349

USER’S MANUAL Appendix 8 – Ordering ISDN for the USA and Canada 337 PROTOCOL: National ISDN-1 (or National ISDN-2) From AT&T 5ESS, Northern Telecom DMS100 , and Siemens EWSD. If you use IOC Capabilit y Packages, please use Capa bility Packag e ‘S’ unless otherwise specified . CO Values Line Type: National ISDN- 1 Bearer Service: CSD/C S ...
Telos Zephyr Xstream - page 350

USER’S MANUAL Appendix 8 – Ordering ISDN for the USA and Canada 338 PROTOCOL: AT&T Point-to-Point (Custom) Software version 5E4.2 and ab ove. CO Values: Line Type (DSL class) : Point-to-Point (PTP) B1 Service: On Demand (DMD) B2 Service: On Demand (DMD) Maximum B Channels (MaxC han): 2 CSV Channels: Any Number of CSV ca lls: 1 CSD Channels: ...
Telos Zephyr Xstream - page 351

USER’S MANUAL Appendix 9 – Modular Cable Guide 339 A ppendix 9: Modular Cable Guide  This  appendix  is  intended  to  be  a  reference  tool  that  covers  various  modular  telephone ‐ style  connectors  used  with  your  Xstream.  e IMPORTANT! Be very careful to label wir ...
Telos Zephyr Xstream - page 352

USER’S MANUAL Appendix 9 – Modular Cable Guide 340 Note  that  TIA/EIA ‐ 568 ‐ A  T568B  is  electrically  equivalent,  however  the  Green  and  Orange  pairs  are  reversed  as  follows:  PIN COLOR 1 White/Orange 2 Orange 3 White/Green 4 Blue 5 White/Blue 6 Green 7 White/Brown 8 Bro ...
Telos Zephyr Xstream - page 353

USER’S MANUAL Appendix 9 – Modular Cable Guide 341 This  special  Ethernet  "crossover"  cable  is  used  when  two  computers  (or  a  computer  and  another  device  such  as  a  Zephyr  Xstream)  need  to  be  connected  without  using  an  Ethernet ...
Telos Zephyr Xstream - page 354

USER’S MANUAL Appendix 9 – Modular Cable Guide 342 ISDN  S  Interface  Cable  Pin ‐ out  The  S  interface  is  standardized  around  the  world  and  in  most  countries  is  the  only  designated  ISDN  termination  for  end  users.  It  specifies  an  ...
Telos Zephyr Xstream - page 355

USER’S MANUAL Appendix 9 – Modular Cable Guide 343 PIN FUNCTION 1 No Connection 2 No Connectio n 3 S Transmit to network + 4 S Receive from network + 5 S Receive from network - 6 S Transmit to netwo rk - 7 PS2 Power (- 48 VDC ) 8 PS2 Power ground (+ ) The  S  interface  is  a  standard  modular  RJ ‐ 45  style  jack ...
Telos Zephyr Xstream - page 356

USER’S MANUAL Appendix 9 – Modular Cable Guide 344 ...
Telos Zephyr Xstream - page 357

USER’S MANUAL Appendix 10 – Glossary 345 A ppendix 10: Glossar y You’ll  get  better  results  from  the  Telco  if  you  understand,  and  speak,  the  lingo!  We  have  tried  to  include  the  typical  acrony ms  used  by  Telco  personnel.  We’ve  put ...
Telos Zephyr Xstream - page 358

USER’S MANUAL Appendix 10 – Glossary 346 Billing  Telephone  Number  The  main  ph one  number  which  all  calls  on  hunt  group  or  a  PRI  are  billed  to.  This  information  may  be  required  when  configuring  a  PRI  PBX.  Bit  Error  Ra ...
Telos Zephyr Xstream - page 359

USER’S MANUAL Appendix 10 – Glossary 347 Calling  Line  ID  See  CLID.  See  also  Caller  ID.  Calling  Party  Control  See  CPC.  CAS   Channel  Associated  Signaling.  A  bit ‐ based  signaling  method  used  on  digital  lines  (such  ...
Telos Zephyr Xstream - page 360

USER’S MANUAL Appendix 10 – Glossary 348 a  station  contest  should  not  occur  as  the  busy  status  in  response  to  a  call  attempt  is  conveyed  over  the  separate  SS7  network.  Therefore,  the  need  for  choke  e xchanges  has  pretty  mu ...
Telos Zephyr Xstream - page 361

USER’S MANUAL Appendix 10 – Glossary 349 Also  called  a  Both  Way  Trunk.  This  is  not  the  same  as  a  Two ‐ way  DID  trunk.  See  DID  trunk,  Hunt  Group  and  Trunk.  Common  Channel  Interoffice  Signaling  See  CCIS  Competitive  Lo ...
Telos Zephyr Xstream - page 362

USER’S MANUAL Appendix 10 – Glossary 350 DCE ‐ Data  Communication  Equipment  When  using  serial  communications  such  RS ‐ 232,  V.35,  or  X.21,  the  DCE  is  the  device  sending/receiving  from  the  Telco  line.  i.e.:  a  modem  or  CSU/DSU.  ...
Telos Zephyr Xstream - page 363

USER’S MANUAL Appendix 10 – Glossary 351 DS1 ‐ Digital  Signal  Level  1  The  second  le vel  up  the  digital  rate  hierarchy  used  by  the  Telcos.  This  is  24  times  the  DSØ  ra te  for  a  total  of  1.544  mbps.  See  DSØ.  See ...
Telos Zephyr Xstream - page 364

USER’S MANUAL Appendix 10 – Glossary 352 Four  Wire   A  circuit  path  using  separate  pairs  for  send  and  receive.  This  term  is  also  used  when  referring  to  digital  channels  that  inherently  have  discrete  send  and  receive  paths, ? ...
Telos Zephyr Xstream - page 365

USER’S MANUAL Appendix 10 – Glossary 353 IGMP  (Internet  Group  Management  Pr otocol)  is  a  communicati ons  protocol  used  to  manage  the  membership  of  Internet  Protocol  multicast  groups.  IGMP  is  used  by  IP  hosts  and  adjacent  multicast ? ...
Telos Zephyr Xstream - page 366

USER’S MANUAL Appendix 10 – Glossary 354 ISDN  30  A  term  used  in  Europe  for  ISDN  PRI.  Also  called  S2 M  See  PR I.  ISG  –  Incoming  Service  Grouping  A  Hunt  Group.  See  Hunt  Group  IXC ‐ IntereXchange  Carrier  See  IEC ...
Telos Zephyr Xstream - page 367

USER’S MANUAL Appendix 10 – Glossary 355 Line  Format,  T1   Modern  T1  circuits  usually  use  either  Superframe  (sometimes  called  SF  or  D4)  or  Extended  Superframe  (sometimes  called  ESF)  line  formatting.  The  type  of  framing  used  is  d ...
Telos Zephyr Xstream - page 368

USER’S MANUAL Appendix 10 – Glossary 356 business  (and  the  right  to  use  the  AT& T  name  on  telephone  sets)  to  V ‐ Tech.  V ‐ Tech  is  using  the  AT&T  name  and  line  as  their  high ‐ end  line.  Lucent's  PBX  divisio ...
Telos Zephyr Xstream - page 369

USER’S MANUAL Appendix 10 – Glossary 357 Packet  Switching  Packet  Switched  networks  are  more  commonly  associated  with  Computers ,  Local  Area  Networks,  and  the  Internet.  In  a  packet  switched  network  th e  raw  stream  of  data  is  broken ...
Telos Zephyr Xstream - page 370

USER’S MANUAL Appendix 10 – Glossary 358 Primary  Rate  Interface  A  form  of  ISDN  with  23  “B  Channels”  and  one  “D  channel”.  All  24  channels  are  on  a  single  cable.  Functionally  related  to  T1  telepho ne  circuits.  In  Euro ...
Telos Zephyr Xstream - page 371

USER’S MANUAL Appendix 10 – Glossary 359 Robbed  Bit  Signaling  A  signaling  scheme  that  “borrows”  bits  on  each  T1  channel  for  use  as  signaling  channels.  On  SF  T1’s  there  are  two  bits,  the  A  bit  and  the  B  bit  in ...
Telos Zephyr Xstream - page 372

USER’S MANUAL Appendix 10 – Glossary 360 Custom  PMP,  and  DMS  custom  ISDN  protocols  the  equipment  requires  that  the  user  to  program  SPIDs  into  it.  Custom  PTP  and  ETS  300  protocols  do  not  require  a  SPID.  No  SPIDs  are  req ...
Telos Zephyr Xstream - page 373

USER’S MANUAL Appendix 10 – Glossary 361 Synchronous  Data  A  form  of  serial  data  which  uses  a  clock  signal  to  synchronize  the  bit  stream.  Since,  unlike  asynchronous  data,  no  start  and  stop  bits  are  used,  data  throughput  is ? ...
Telos Zephyr Xstream - page 374

USER’S MANUAL Appendix 10 – Glossary 362 Telos  Test  Line  (Xstream,  Zephyr  &  ZephyrExpress)  24  Hour  test  line  which  can  be  called  to  verify  correct  operation  of  your  Zephyr  or  ZephyrExpress  codec.  Num bers  are  +1  216 ‐ 781 ...
Telos Zephyr Xstream - page 375

USER’S MANUAL Appendix 10 – Glossary 363 U  Interface  The  interface  between  the  ISDN  “BRI”  line  and  the  “NT 1”.  Th is  can  be  considered  the  ISDN  “phone  jack”  in  the  USA  &  Canada,  and  is  frequently  in  the  form ...
Telos Zephyr Xstream - page 376

USER’S MANUAL Appendix 10 – Glossary 364 ...
Telos Zephyr Xstream - page 377

Index 365 INDEX  AAC, 116 AAC-LD, 120 About , 108 AC power (illustration), 37 AC (mains) Requirements , 59 Accessing the Hardware, 264 AES Sync-In, 36 AES/EBU Detailed, 196 AES/EBU Inputs & Outputs, 36 Rear Panel, 36 Analog Inputs & Output (illustrat ion & Pinouts, 33 Ancillary Data Constact Closures, 249 RS-232, 247 Answers to frequ ...
Telos Zephyr Xstream - page 378

Index 366 Detailed , 227 Guided Tour, 105 Dial Setups Activating a Dial Setup – Step by Step, 70 Creating Dial Setups – Step by step, 71 Editing, 72 Triggered by Closures, 244 When INterface is set to V.35, 244 Digifon , 301 Digital Data System Using with V.35/X.21 Interface, 158 Directory Numbers Detailed, 221 Guided Tour, 103 Introduction, 13 ...
Telos Zephyr Xstream - page 379

Index 367 masking , 112 Menu System (introduction), 61 Menu Tree, 83 Menus Detailed Referen ce, 189 Guided Tour, 83 Meters and indicators, 40 Mix-Minus, 186 Mono ‐ 128 , 124 MPEG, 116 MPEG LAYER 2, 124 multi-band compression , 114 Multiple Codec Connections, 178 multiple  codecs , 126 Multiple Subscriber numbers Detailed, 221 Multiple Subscrib ...
Telos Zephyr Xstream - page 380

Index 368 Guided Tour, 99 Sample Rate (introduction), 80 SEDAT , 126, 127 Send Bargraph , 20 Setting the nominal input level range (non-mixer only), 264, 265 Software Updates, 267 Special Menus; AUTO, DIAL, & DROP , 66 Special Operatio nal Modes Ethernet Interface, 317 V.35 Single (high speed), 325 SPECIFICATIONS, 295 SPID  Error , 217, 286 ...
Telos Zephyr Xstream - page 381

Index 369 Installation, 155 Voice-over applications, 174 Volume, 230 Volume  (front  panel) , 108 WARRANTY, 295, 298 Web Browser Control via, 261 Zephyr Remote, 262 ...

Manufacturer Telos Category Two-Way Radio

Documents that we receive from a manufacturer of a Telos Zephyr Xstream can be divided into several groups. They are, among others:
- Telos technical drawings
- Zephyr Xstream manuals
- Telos product data sheets
- information booklets
- or energy labels Telos Zephyr Xstream
All of them are important, but the most important information from the point of view of use of the device are in the user manual Telos Zephyr Xstream.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Telos Zephyr Xstream, service manual, brief instructions and user manuals Telos Zephyr Xstream. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Telos Zephyr Xstream.

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A complete manual for the device Telos Zephyr Xstream, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Telos Zephyr Xstream by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Telos Zephyr Xstream.

A complete Telos manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Telos Zephyr Xstream - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Telos Zephyr Xstream, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Telos Zephyr Xstream, that we can find in the current document
3. Tips how to use the basic functions of the device Telos Zephyr Xstream - which should help us in our first steps of using Telos Zephyr Xstream
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Telos Zephyr Xstream
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Telos Zephyr Xstream in a specific country, if it was not possible to solve the problem on our own.

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Manual Telos Zephyr Xstream

Summary

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