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Manual Telos NX12

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  • Telos NX12 - page 1

    TELOS Nx12 Adv anced Digital Broadcast T elephone System USER’S MANUAL Manual V ersion 1.5 for software version 1.0 and later 28 June, 2008 ...

  • Telos NX12 - page 2

    T elos Nx12 Manual © 2007 TLS Cor por ation. Published by T elos Sy stems/TLS Cor poration. All rights reserved. T rademarks T elos Syst ems , the T elos logo, Zephyr , ZephyrExpress , Zephyr Xstream , Nx12 , TWOx12 , Se ries 2101 , Desktop Direct or , and St atus Symbols are trademar ks of TLS Cor poration. All other trademarks ar e the property ...

  • Telos NX12 - page 3

    T elos Sy stems USA 2101 Super ior A venue Cleveland, OH 44114 USA T elos Europe Johannisstraße 6 85354 F reising Germany Notices and Cautions CA U T ION: THE I NST AL LA T ION AND SE R VICE INST RUCTIONS IN THIS MANU AL ARE FOR USE BY QU ALIFIED PE RSONNEL ONL Y . TO A VOID E LECTRIC SHOCK, DO NOT PER FORM ANY SER VICING OTHER THAN T HA T CONT AI ...

  • Telos NX12 - page 4

    ...

  • Telos NX12 - page 5

    W e suppor t you... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i 1 Introduction 1 W elcome to the Nx12 . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Fea tures & Benets . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Why ISDN Mak es Sense for Broadcast T alk Show Systems . . . . . . . . . . 2 T wo-Studio Modes . ...

  • Telos NX12 - page 6

    TE LOS NX 12 MA N UAL | V Using a small mixer . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Using a production-style console . . . . . . . . . . . . . . . . . . . . . 13 Phones and Remotes . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Input (T o Caller ). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Output (Caller) ...

  • Telos NX12 - page 7

    vi | Changing Between Producer and T alent Modes . . . . . . . . . . . . . . . 38 Using the Director in Pr oducer Mode . . . . . . . . . . . . . . . . . . . . 39 Using the Director in T alent (on-air) Mode . . . . . . . . . . . . . . . . . 40 4.2 The Call Con troller . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 4.3 The Console Directo ...

  • Telos NX12 - page 8

    TE LOS NX 12 MA N UAL | VII ISDN Prot ocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 SPIDs and MSN/DNs (Web Only) . . . . . . . . . . . . . . . . . . . . . . 57 Clock Loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 5.6 The System Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 T CP/IP S e ...

  • Telos NX12 - page 9

    viii | Status Screen for ISDN tr oubleshooting . . . . . . . . . . . . . . . . . . 77 Condition: C an’ t Get ISDN Ready Indication . . . . . . . . . . . . . . . . . 78 Condition: S ystem says Ready but a ttempted calls do not complet e . . . . . 79 Condition: Int ermittent ISDN Problems . . . . . . . . . . . . . . . . . . 80 6.5 T roubleshooting ...

  • Telos NX12 - page 10

    TE LOS NX 12 MA N UAL | IX A3 USA ISDN Ordering Guide 115 Dealing with the Phone Company . . . . . . . . . . . . . . . . . . . . 115 Details, Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 F AXABLE ISDN ORDER FORM (for the USA & Canada) . . . . . . . . . . . . 117 A4 Eur o-ISDN Ordering Guide 123 Details, Details . . . . . ...

  • Telos NX12 - page 11

    | 1 1 Introduction W elcome t o the Nx12 e T elos Nx12 combines a 12-line selector and 4 hybrids with advanced signal processing to deliver all you need for your o n-air phones. e four hybrids make it ideal for programming where multiple callers are air ed simultaneously . It also has the flexibility to ser ve two studios with two hybrids fo ...

  • Telos NX12 - page 12

    2 | Section 1 Conference linking lets you set up high-quality conferencing between callers with no ♦ external equipment needed. Caller ID suppor t on both ISDN and POTS lines. ♦ e Nx12 can ser ve two studios, each with two hybrids. ♦ In the two-studio modes, lines can either be shared or exclusive to each studio . In the latter ♦ case, t ...

  • Telos NX12 - page 13

    INTRODUC TION | 3 significantly better distor tion and signal-to-noise performance. Lower noise 4. . Because they are digital, ISDN lines are not susceptible to induced noise. Analog lines are exposed to a variety of noise and impulse trouble-causers as they snake across town o n poles and through your building . Hum is the main problem, giv en mo ...

  • Telos NX12 - page 14

    4 | Section 1 T wo-Studio Modes e Nx12 can be used with two studios independently . Lines may be independent or shared. Each studio has two hybrids. ere are two P rogam-on-Hold inputs, one for each studio . T wo sets of T elos’ Assistant Producer application can be used independently . Note the following: W ith analog audio in/out, ther e a ...

  • Telos NX12 - page 15

    | 5 2 Installation 2.1 Getting Star ted e Nx12 mounts in a 2RU high space in a standard 19” rack. Y ou do not need to pay special attention to cooling or ventilation, as the unit will operate in any environment where the stirred air temperature around the unit is between 0 to 40 degr ees Celsius (32 to 104 degrees F ahren- heit) with a relativ ...

  • Telos NX12 - page 16

    6 | Section 2 2.3 Connec ting the Nx12 to Analog Lines e Nx12 uses plug-in interface modules to attach to POTS (regular , analog loop star t, telephone lines). e Countr y setting in the T elco menu configures the characteristics of the interfaces for your countr y . If you do not see your country listed you should use CTR21 or USA. ese mo ...

  • Telos NX12 - page 17

    INST ALLA TION | 7 In the USA & Canada a direct connectio n to the “ bare copper” 2-wire U interface is required. erefore, the USA & Canada interface module inc ludes an integral NT1 and has RJ-11 sty le jacks. In the rest of the w orld, the telephone company pr ovides the NT1, and the 4-wire ISDN S-interface will be used with an 8 p ...

  • Telos NX12 - page 18

    8 | Section 2 Ordering Help Appendix 3 to this manual describes the ISDN ordering process for USA/Canada in detail, and Appendix 4 does the same for ETS-300 Euro-ISDN. Both inc lude ready-to-go forms that can be sent directly to your telephone co mpany . 2.5 Connec ting the Nx12 to ISDN e Nx12 uses plug-in modules to attach to ISDN. ese ISDN ...

  • Telos NX12 - page 19

    INST ALLA TION | 9 Hot Tip Normally your telephone c ompany should supply an RJ-11 style jack for the U interface. This is the same 4 or 6-pin plug used for analog lines . Howev er , sometimes you may nd an 8-pin RJ-45 style jack–and sometimes you may ev en be charged extra for it! If you have this situation, an RJ-11 plug can be inserted into ...

  • Telos NX12 - page 20

    10 | Section 2 2.6 Integra tion with a PBX e Nx12 will usually be used independentl y of any other phone system in your facility . But it is possible to have one or more of the lines co me off another phone system. Depending upon the PBX and your preferences, this can be either ISDN BRI or POTS. Y ou might be able to save money by using a T1/E1 ...

  • Telos NX12 - page 21

    INST ALLA TION | 11 e other thing to investigate is whether the PBX offers ‘L oop Current Wink’ or ‘CPC’ (Call- ing P ar ty Control) on the analog ports. Without this super vision, the Nx12 will not detect that a caller on hold has hung up, and your talent will get a recording “ please hang up and dial again…” or dial tone when at ...

  • Telos NX12 - page 22

    12 | Section 2 ‘Making do ’ with an older console Consoles made before ar ound 1990 rarely had good support for mix-minuses, and almost never for more than one or two . With one of these oldsters, some clever improvisation is going to be needed. Here we describe a possible scenario that can be used as a star ting point for your situation. W e a ...

  • Telos NX12 - page 23

    INST ALLA TION | 13 e Nx12 has multiple hybrids and works best if two faders can be assigned to the telephone system with two associated mix-minuses, one for each telephone line column on the Dir ector . is is probably not going to be easy with an older console. But the Nx12 has an option to work with a single external mix-minus by making an ...

  • Telos NX12 - page 24

    14 | Section 2 if they could, the profanity delay would be a pr oblem, since the talent needs to hear the callers pre-delay . All perceptual codecs (such as the T elos Zephyr) have too much delay for talent at remote locations to hear themselves via a round-trip loop. erefore, another mix-minus is r equired to feed a codec. e talent hears cal ...

  • Telos NX12 - page 25

    INST ALLA TION | 15 Bridging impedance (10k ohms) ♦ Analog Input XLR PIN DESCRIPTION 1 Ground 2 Audio + 3 Audio - e inputs are designed to be sourced f rom balanced, line level signals. Usually shielded c ables have the shield wire connected o nly on one end to prevent ground loops. O lder equipment with a transformer output stage may need a t ...

  • Telos NX12 - page 26

    16 | Section 2 AES Input XLR PIN DESCRIPTION 1 Ground 2 Signal + 3 Signal - So that all f our hybrids are accessible in spite of the limited rear panel spa ce for connectors, we use one AES input for two h ybrids. e relationship is as follows: AES 1 Lef t is to Hybrid A ♦ AES 1 Right is to Hybrid B ♦ AES 2 Lef t is to Hybrid C ♦ AES 2 Righ ...

  • Telos NX12 - page 27

    INST ALLA TION | 17 110 Ohms ♦ e output is synced and sample-rate converted to either the f requency of the AES Input ♦ 1 signal or an internal 48kHz c lock, depending upon a menu selection. AES3 Output XLR PIN DESCRIPTION 1 Ground 2 Signal + 3 Signal - Since, like the inputs, each AES output has two hybrids, you may have to use a r outing s ...

  • Telos NX12 - page 28

    18 | Section 2 Desktop Director is is the most common contr ol surface. It serves as both a phone and call controller , depend- ing on whether it is set to T alent (on-air controller) or Pr oducer (Screener phone). It has two telephone line columns. e Desktop Director is suitable for P roducer screener mode telepho ne in all cases. Extended D ...

  • Telos NX12 - page 29

    INST ALLA TION | 19 Nx12 Desktop Director P orts (R J-45) PIN DESCRIPTION 1 N/C 2 N/C 3 T ransmit to Nx12 + 4 Receive from Nx12 + 5 Receive from Nx12 - 6 T ransmit to Nx12 - 7 Po wer -48VDC 8 Po wer + C onnec ting D esktop Dir ec tors Direct Connection Up to four Desktop Directors can be plugged directly into the Nx12. Extended Distance with P ower ...

  • Telos NX12 - page 30

    20 | Section 2 T o connect two Desktop Directors to one port, a po wer supply and RJ-45 modular splitter is required. One of the Directors must hav e its termination removed. is unterminated Director must be within 33 feet (10 meters) of the power supply . Desktop Director T er mination Removal Desktop Directors are shipped with the internal ter ...

  • Telos NX12 - page 31

    INST ALLA TION | 21 Tip Po wer-over-E thernet and our ISDN-based Director use dierent c onnections for power . It is wise to carefully label wiring used with RJ-style connectors to reduc e the risk of applying power to something tha t does not expect it. We suggest that y ou use dierent c olored cables (or connector boots) on the Desktop Dire ...

  • Telos NX12 - page 32

    22 | Section 2 e Nx12 fully suppor ts Livewire. F or more information on using the Nx12 with a Livewire Audio-over-IP network, see S ection 5.8. IMPORT ANT If you are not using a Live wire-ready network, do not enable Livewire streams or y ou will ood your Ethernet network. Only when a properly c ongured Livewir e- compatible Ethernet swit ...

  • Telos NX12 - page 33

    INST ALLA TION | 23 PIN DESCRIPTION 5 Record Start 1 6 Ring Mute In 1 7 N/C 8 +5VDC (50mA max) 9 Record Stop 1 10 User Out (Dump) 2 11 Ringing Out 2 12 Priority Ringing Out 2 13 Ring Mute In 2 14 (reserved) 15 N/C P A R A L L E L C O N T R O L 1 8 Note for the C urious The DB- designation for D-Sub connectors is from Cinch C orp’ s part numbering ...

  • Telos NX12 - page 34

    24 | Section 2 ing it f rom the output to the +5v source o n pin 8. An appr opriate value is 2.2kΩ. Sink (pull-down) current must be limited to 400mA maximum per output with total ♦ output restricted to 1 amp (200mA each output if all five will be used). If you want to drive a relay , lamp , or high-current L ED , y ou will need an external po ...

  • Telos NX12 - page 35

    | 25 3 Basic C onguration 3.1 Step -by-Step Here is a step-by-step guide to basic Nx12 co nfiguration for a new installation: Enter TCP/IP addresses, if used, for W eb inter face, remote control, and Livewire audio ♦ networking. S ee Section 5.3. Set Input S ource for Analog, AES3, or Liv ewire. S ee Section 5.8 if you will be using ♦ Livew ...

  • Telos NX12 - page 36

    26 | Section 3 ISDN S-interface. ere will be 3 RJ-45 jacks. ♦ W ith ISDN, ther e are two voice channels for each physical connection, so onl y half as many jacks are needed. e line list in the LCD T elco menu will correspond to the installed module types, and your configuration entries will var y accordingly . Analog Phone Line Setup W hen ...

  • Telos NX12 - page 37

    BASIC C ONFIGURA TION | 27 Click on the T elco menu. With ISDN modules installed in both T elco interface positions, 2. you will see a page similar to the one below . Choose the ISDN Pr otocol. F or the USA and Canada, this will usually be Natl.I-1. F or 3. Europe and much of the r est of the world, it will be ETS300. F or Natl.I-1, enter the SPIDs ...

  • Telos NX12 - page 38

    28 | Section 3 More Tips Incorrectly entered SPIDs are the most c ommon problem users in the USA & Canada have placing ISDN calls. Compar e the SPIDs you have enter ed with the SPIDs provided to y ou on by the phone compan y to be certain that you hav e entered them correctly . Do not add anything to y our SPIDs. Note that there are no h yphens ...

  • Telos NX12 - page 39

    BASIC C ONFIGURA TION | 29 Drop this test call by pressing the right ♦ Drop button. Having completed that first call, you know y our lines 1 and 2 are working. (If you are ♦ using ISDN, y ou have now tested the first BRI.) Now r epeat this test by calling f rom line 2 to line 3, line 3 to line 4 etc. until all lines have ♦ been tested. Pr e ...

  • Telos NX12 - page 40

    30 | Section 3 Time t o test it out! Ok, you made it! A nother hour and you can go home for the day! F irst we will check that the mix-minus for each hybrid is correct. en we will make a test call. Confirm that the Desktop Director you will be using is wor king and says T alent at the ♦ top of the screen. If it say s P roducer , fol low the d ...

  • Telos NX12 - page 41

    BASIC C ONFIGURA TION | 31 artifacts, and the caller should sound c lear . Move the call to P hone 2 by pr essing the right column line 1. 7. Repeat steps 4 through 6 using lines on the right column. 8. Wha t now? Y our basic installation is complete. Next you will want to look over other sections of this manual to familiariz e yourself with the sy ...

  • Telos NX12 - page 42

    32 | ...

  • Telos NX12 - page 43

    US E R O P ER A T IO N | 33 4 User Oper ation 4.1 Desktop Direc tor e T elos Desktop Director is both a control surface for putting calls on-air and a telephone set for conversations with callers on the studio telephone lines. e Director has two modes of operation – Pr oducer (screener) mode and T alent (on-air) mode. Tip Since certain func ...

  • Telos NX12 - page 44

    34 | Section 4 Call is On-Air – Column 2 Call is On-Air & Locked – Column 1 Call is locked and c annot be dropped or placed o n hold. T o unloc k, press the line button to the left of this icon. Call is On-Air & Locked – Column 2 Call is locked and c annot be dropped or placed o n hold. T o unloc k, press the line butto n to the right ...

  • Telos NX12 - page 45

    US E R O P ER A T IO N | 35 Line is not oper ational Line Button C olumns T alent Mode Each line has 2 buttons, the left column for Caller 1 and the right column for Cal ler 2. P ressing a line button places the caller on that line on-air using the corresponding h y brid. Note : W hen the Nx12 is using a two-studio Show Mode (see S ection 5.7), onl ...

  • Telos NX12 - page 46

    36 | Section 4 Calls placed on screened hold in this manner ar e being queued up f rom the first selected to the last one selected by the scr eener . e next caller line icon is repr esented by a blinking chec k mark. If there is no screener to select and or der c alls, the line which has been ringing the longest will be selected instead. If no ...

  • Telos NX12 - page 47

    US E R O P ER A T IO N | 37 Record Control is is intended to control an external recor ding de vice. It operates only if connected. Pr essing the button once when nobody is on air , arms the recor ding feature (L ED blinking). Once armed, taking a call starts the recorder automatically (LE D solid). When the c all is dropped, the recorder will b ...

  • Telos NX12 - page 48

    38 | Section 4 Adjust Volume Ringer 5 Speaker 5 Handset 5 back [-] [+] Pr ess ∆ or ∇ to c hoose which level you want to adjust. Pressing [-] will decrease, while pressing [+] will increase the volume level for the item displayed. e c hange will take place immediately . Pr essing the sof t key button under the word back or the Select button w ...

  • Telos NX12 - page 49

    US E R O P ER A T IO N | 39 Main Menu Change Director Mode Select Ringer Congure Shows ∇ Adjust LCD Panel back e words Change Director Mode should be highlighted. Now pr ess the 2. Select button. Y ou will now see a screen like this: Main Menu Producer (screener) Talent (on air) back Pr ess 3. ∇ or ∆ to change the setting. Pr ess 4. Sel ...

  • Telos NX12 - page 50

    40 | Section 4 Hot Tip Y ou can use this feature to re-order the next queue at any time. Simply press the right line buttons for the calls in re verse order fr om the order you wish to air them. P ress the right line button rst for the call to be air ed last, then the button for the ne xt line to be aired before that and so on pressing the right ...

  • Telos NX12 - page 51

    US E R O P ER A T IO N | 41 Next is button will take the call designated as next on the lef t line column. If no call is currently designated next, the call which has been on Screened Hold the longest will be taken. If a screener is not used, the line whic h has been ringing longest will be taken. If no line is ringing, the line on hold the long ...

  • Telos NX12 - page 52

    42 | Section 4 feedback, lower the cue speaker volume . Making calls using the built-in speaker phone. P ress the Speakerphone button, select a line using the left column and dial. If you wish to place this caller on air , you can press a lef t or right column line button. Answering c alls with the handset. Pick up the handset and select a line usi ...

  • Telos NX12 - page 53

    | 43 5 Detailed Congur ation & Ref erence First S tep ... After power-up and initialization, the status screen appears. W hen you see this screen, and if ISDN or POTS lines are connected and functio ning correctly , and ♦ the Nx12’ s basic configuration settings have been adjusted to the r equirements of your ♦ installation, then the ...

  • Telos NX12 - page 54

    44 | Section 5 5.2 Status Display s T elco line and Desktop Director status information is available on both the W eb inter face and the LCD . On the LCD , pressing any menu button twice displays the status screens. ese status screens display information about the state of the Nx12, but do not allow y ou to make any changes. e ∆ & ∇ b ...

  • Telos NX12 - page 55

    DET AILED C ONFIGURA TION & REFERENCE | 45 Accepting Call Nx12 has accepted an incoming call and is waiting for the T elco switc h to connect it. O r incom- ing POTS call is pending – system is ’ off-hook’ waiting f or loop current. Connected All signaling is complete – the ISDN voice channel is available for use. Or a POTS line is ‘ ...

  • Telos NX12 - page 56

    46 | Section 5 5.3 Using the L CD/Butt ons and W eb f or Congura tion Y ou use the various configuration settings to adjust audio levels and processing options, set the ISDN parameters, etc. Y ou may use either the f ront panel L CD/button user interface on the Nx12 main unit or the W eb inter face to access configuration options. e W eb in ...

  • Telos NX12 - page 57

    DET AILED C ONFIGURA TION & REFERENCE | 47 e Nx12’ s default IP number is 192.168.0.230 . Normally , you would change this to a number appropriate for your network using T CP/IP S etup in the Sy stem menu. Y ou would also enter appropriate values for Subnet Mask and Gate way Addr ess. See e System Menu below for details. But if y ou wil ...

  • Telos NX12 - page 58

    48 | Section 5 Input Setting Related to Input Lev el Input Setting -10dBV 0dBu +4dBu +9dBu PPM -9dBfs PPM Analog input level - 10 dBV nom 0 dBu nom +4 dBu nom +9 dBu PML n/a Livewire/AES - 32 dBfs nom -24 dBfs nom -20 dBfs nom -15 dBfs -9 dBfs PML e ballistic (time) characteristic of Nx12’ s meters changes depending on the Input L evel set- ti ...

  • Telos NX12 - page 59

    DET AILED C ONFIGURA TION & REFERENCE | 49 send level. However , doing so can reduce effective hybrid perf ormance and increase leakage. Conversely , lowering this setting can reduce leakage. Call Ducking is control adjusts the amount of ducking that occurs to the receiv ed telephone audio when send-to-caller audio is present. A value of F ...

  • Telos NX12 - page 60

    50 | Section 5 Receiv e EQ (C aller D ynamic Digital EQ – DDEQ) T elephone audio f requency response varies widely since many factors can affect it (we’ve measured the respo nse on a number of calls and the results were r evealing). Consequently , some form of receive equalization is desirable. ere ar e three choices for the t ype of equali ...

  • Telos NX12 - page 61

    DET AILED C ONFIGURA TION & REFERENCE | 51 Separate requires the mixing console to provide the cross-co nnection for conferencing, when required. W ith One Show show mode, and in an y of the T wo S how show modes, there are two hybrids per show , so using the S eparate mix-minus mode means you have two caller outputs to each console, and t wo m ...

  • Telos NX12 - page 62

    52 | Section 5 Second of two S hows: In 4-Column show mode, you have 4 independent caller outputs to 4 faders on the console, but require only 1 mix minus feed. All callers hear the one console mix-minus feed and each other . 1 in/1 out ♦ is mix-minus option means each console only has to make a single mix-minus feed for the caller send audio ...

  • Telos NX12 - page 63

    DET AILED C ONFIGURA TION & REFERENCE | 53 combined mix of all callers’ audio, and require only one mix-minus feed f rom the console . All callers hear the one console mix-minus feed and each other . e following table summariz es the effect of each mix-minus mode together with each Show mode: Mix-Minus Mode Separate Mix-Minus Mode 1 in/Mu ...

  • Telos NX12 - page 64

    54 | Section 5 4-channel ♦ In this mode there are up to four caller inputs/outputs. e L and R of each AES signal ar e used, cr eating four independent caller inputs and four caller out puts. T o use this mode, y our mixing console must be capable of splitting and combining separate channels of audio to and f rom the L/R pairs of AES signals. ? ...

  • Telos NX12 - page 65

    DET AILED C ONFIGURA TION & REFERENCE | 55 USA 720 ms Belgium, Netherlands, Switz erland 120 ms Franc e, Luxemburg , Portugal, Germany 270 ms Rest of Europe 90 ms e hook flash is sometimes used as a signal to initiate transfer or other features, with the specific effect being dependent on the T elco or PBX c apabilities and configuration ...

  • Telos NX12 - page 66

    56 | Section 5 ere are a number of choices, but the most common are described below . F or Europe and many other par ts of the world ETS 300. is is the very common Euro-ISDN, a ccording to the ETS 300 standard. ♦ F or USA & Canada and a few other par ts of the wor ld Natl. I-1. National ISDN-1 is the most common pr otocol f or the USA & ...

  • Telos NX12 - page 67

    DET AILED C ONFIGURA TION & REFERENCE | 57 Note After you enter (or change) y our SPIDs or DNs, you must reboot the Nx12. Therefore , once you hav e entered SPID1, SPID2, DN1, and DN2 you should turn the power o and then back on. Then go to the Status screen and verify Ready sta tus for both channels. SPIDs and MSN/DNs ( W eb Only) ere wi ...

  • Telos NX12 - page 68

    58 | Section 5 ISDN Tip ETS 300 users should disregard all ref erences to SPIDs. Euro ISDN does not ha ve SPIDs (you lucky souls)! IMPORT ANT If your line status show s “W ait ” at least one of your SPIDs is inc orrect or your ISDN Pr otocol setting is incorrect! In this case, check the SPID . For a list of known working SPIDs by tele- phone co ...

  • Telos NX12 - page 69

    DET AILED C ONFIGURA TION & REFERENCE | 59 Hot Tip Some versions of the T elos Zephyr and Z ephyr Express do not require that Dir ector y Num- bers be entered . This is not true for the T elos Nx12 and other newer products.. Y ou must correctly enter these numbers for the sy stem to work. Note for the C urious The actual physical B channels of ...

  • Telos NX12 - page 70

    60 | Section 5 to get this f rom y our net work administrator or Internet ser vice provider . T o enter IP addresses using the LCD/button interface: Select the TCP/IP S ettings… sub-menu. T o enter an IP address, use the following procedur e: Highlight the IP address 1. Pr ess OK 2. Pr ess 3. ∇ repeatedly to delete existing I P address Pr ess 4 ...

  • Telos NX12 - page 71

    DET AILED C ONFIGURA TION & REFERENCE | 61 Hold on Selec t e Direct Hold feature allows the operator to seize the next call whic h has been ringing for the longest time and put the caller he was talking with back on hold in one simple step , by pressing the Next key . If no call is r inging, the process remains the same with callers on hold. ...

  • Telos NX12 - page 72

    62 | Section 5 Reboot Sy stem? is menu has two options: No ♦ – Goes back to the Reboot Sy stem sub-menu. Y es ♦ – Causes the system to reboot. (All callers will be lost.) is command is intended to save you a trip to the back of the rack. is reboot is equivalent to removing power and then r estoring it. Firm ware Upda te ( W eb Only ...

  • Telos NX12 - page 73

    DET AILED C ONFIGURA TION & REFERENCE | 63 Sharing the Nx12 – T wo-studio Modes ese modes allow a single Nx12 to be used with two studios. T elephone lines may either divided and used independently or be shared with both studios having access to the same lines. Each Desktop Director , Console Director , and c all control software applicati ...

  • Telos NX12 - page 74

    64 | Section 5 SHO W 2 ♦ – Line is available for the show that uses hybrid 2 only SHO W 1&2 ♦ – Line is available for both shows (shared line) Pr ess the SEL ECT button to accept your changes. 6. Note : Y ou must reboot the system after configuring this setting. If you wish to co nfigure lines as ‘Priorit y ’ or ‘Normal’ (see ...

  • Telos NX12 - page 75

    DET AILED C ONFIGURA TION & REFERENCE | 65 Pr ess the MENU softkey 1. Scroll down until 2. Select S how is highlighted and then press <SE LECT> Pr ess < 3. ∇ > or < ∆ > arrow keys to select Show 1 or S how 2 . Selecting a S how using a Call Controller A given Call Controller can be associated with Show 1 or S how 2 by usin ...

  • Telos NX12 - page 76

    66 | Section 5 Consult Introduction to Liv ewire , available on the axiaaudio .com website for a description of Livewire and an explanation of the various terms and options. N ote that the terms “Sources” and “Destinations” are f rom the perspectiv e of the Livewire network and have the same usage as for Livewire Nodes. ere are 4 h y bri ...

  • Telos NX12 - page 77

    DET AILED C ONFIGURA TION & REFERENCE | 67 W hen Livewire is enabled, the corr esponding Nx12 Analog or AE S3 inputs are switched-off. However , should a Livewire input fail; the Nx12 auto maticall y switches the input to Analog/ AES , providing a back-up . On the other hand, the Nx12 analog/AE S out puts will be simultaneously active when Liv ...

  • Telos NX12 - page 78

    68 | Section 5 5.9 Firm ware Upda te Nx12 firmware may be updated via the W eb interface. Open y our browser , connect to the Nx12, and clic k on the System link. F irmware update is at the bottom of the Sy stem page. e first step is to get the new firmware onto your PC. is will usual ly be via a download f rom the T elos website or an ema ...

  • Telos NX12 - page 79

    DET AILED C ONFIGURA TION & REFERENCE | 69 If you desire to write your own application to access the Nx12 via this pr otocol, please visit our website at www .telos-sy stems.com where y ou can download the specifications of this protocol and an SDK for Windows (see the downloads page section entitled ‘S eries 2101 development Kit ’). T eln ...

  • Telos NX12 - page 80

    70 | Section 5 Type ‘help <command>’ to get specic help about a command. Type ‘help *’ to get a short list of commands. Type ‘help **’ to get a detailed list of commands. Type ‘help <chars>*’ to get a list of commands starting with <chars>. ‘#’ starts a decimal number, ‘%’ a binary number, ‘$’ a hex ...

  • Telos NX12 - page 81

    DET AILED C ONFIGURA TION & REFERENCE | 71 5.11 Syst em S ignal Flow and Audio Processing Send Audio Pr ocessing e Nx12’ s send-to-caller audio processing consists of the following functions: Sample rate conversion ♦ High-pass filter ♦ F requency shif ter ♦ Send A GC/Limiter ♦ Sample Rate Conversion AES and Livewire sour ces are s ...

  • Telos NX12 - page 82

    72 | Section 5 Automatic Gain Co ntrol/Platfor m leveler ♦ Noise gate ♦ D ynamic equalization ♦ Sample rate conversion ♦ High-pass ‘ hum ’ Filter is filter removes hum and other unwanted low f requency noise f rom the caller audio. is filter has a break f requenc y of 100 Hz. Receive Automatic Gain Control is A GC ser ves to ...

  • Telos NX12 - page 83

    DET AILED C ONFIGURA TION & REFERENCE | 73 larl y useful when the caller is c arr ying on and the talent wants to interrupt to mo ve the show along. Reduces feedback when a loudspeaker is necessar y . ♦ In the loudspeaker case, r educes audibility of the c aller signal that couples through the ♦ acoustic path, into the micr ophones, and is ...

  • Telos NX12 - page 84

    74 | Section 5 in this response characteristic, flattening out those peaks with an equalizer can signifi- cantly improve the feedback margin. A spectrum anal yz er connected to the output of your mic processor will help detect the f requency of those peaks. If necessar y , soften acoustic room reflections by a dding curtains or wall treatments. ...

  • Telos NX12 - page 85

    | 75 6 T echnical Data & T roubleshooting 6.1 Over view A consequence of modern surface-mount construction is that it is f requently no longer possible for local repairs to be made. S pecial and expensive equipment is requir ed to change parts. As well, today’ s equipment is ver y complicated and requires repair technicians to have detailed e ...

  • Telos NX12 - page 86

    76 | Section 6 Y ou can ’ t fix any system without the r ight world vie w; a zeitgeist of suspicion tempered b y tr ust in the laws of physics, curiosity dulled only by the determination to stay focused on a single problem, and a z ealot ’ s regar d f or the scientific method. P erhaps these are characteristics of all who successfully pursue ...

  • Telos NX12 - page 87

    TECHNICAL D A T A & TROUBLESHOOTING | 77 keep careful track so you know what you hav e eliminated. Step 6 . F ix the problem. A F inal ought… Constantly apply sanit y checks. More than three decades ago , the F iresign eater put out an album called “Ever ything Y ou Know is W rong”. Use that as y our guiding philosophy in tr ouble- ...

  • Telos NX12 - page 88

    78 | Section 6 Accepting Call Nx12 has accepted an incoming call and is waiting for the T elco switc h to connect it. Connected All signaling is complete - the voice channel is available for use. A caveat regarding the Ready indication: If you have this indication with the Nx12’ s T elco mode set to A T&T Cust and you cannot dial, it is likel ...

  • Telos NX12 - page 89

    TECHNICAL D A T A & TROUBLESHOOTING | 79 In the case of Natl.I-1 or 2, and DMS-100 carefully verify that you have the correct SPID f rom the T elco, and that you have properly entered it into the system. It must be correct in or der for anything to work! W e ’ve seen a few cases where it was given incorrectly by T elco personnel, so it might ...

  • Telos NX12 - page 90

    80 | Section 6 C ondition: Intermitten t ISDN Pr oblems ese are among the most difficult kinds of pr oblems to solve. Rest assur ed, how ever , that w e have yet to lose one! F irst tr y disconnecting the ISDN line and waiting a full 60 seconds (leave the Nx12 on) and then reconnect the line. Does the problem occur on all of the ISDN BRI circuit ...

  • Telos NX12 - page 91

    TECHNICAL D A T A & TROUBLESHOOTING | 81 to turn on ISDN logging. 6.5 T roubleshooting Desktop Direc tor Problems Most problems with the Desktop Directors ar e c able related. First try a ne w cable. If that fails to solve the problem, try the Desktop Director with a short c able plugged directly into each of the Director P orts on the back of ...

  • Telos NX12 - page 92

    82 | Section 6 6.7 ISDN Cause Phrases/V alues W hen there is an ISDN problem in the network, a phrase appears in the ISDN protocol log that communicates information about the cause of the trouble. S ee Section 7.10 for how to enable ISDN logging through the T elnet port. ese “Cause V alues” are numbers generated by the network. W hen possibl ...

  • Telos NX12 - page 93

    TECHNICAL D A T A & TROUBLESHOOTING | 83 Cause No . 8 – Call is proceeding/P reemption Call in process, please standb y . or is cause indicates a c all has been preempted. Cause No . 9 – P reemption, reser ved is cause indicates a c alls has been preempted due to the circuit being r eser ved for reuse. Cause No . 10 – P refix 1 not ...

  • Telos NX12 - page 94

    84 | Section 6 part y is no longer assigned, e new cal led party number may optionall y be included in the diagnostic field. If a network does not support this cause, c ause no: 1, unallocated (unassigned) number shall be used. Cause No . 26 – N on-selected user clear ing is cause indicates the user has not been awarded the incoming call. ...

  • Telos NX12 - page 95

    TECHNICAL D A T A & TROUBLESHOOTING | 85 Cause No . 38 - N et out of order is cause indicates that the net work is not functioning corr ectl y and that the condition is likely to last a relatively long period of time e.g. immediatel y re-attempting the call is not likely to be successful. Cause No . 39 – P ermanent frame mode connection is ...

  • Telos NX12 - page 96

    86 | Section 6 Cause No . 53 – Ser vice oper ation violated is cause indicates that the user has violated the ser vice operation. Cause No . 54 – Incoming calls barred e user will not accept the call delivered in the SETUP message. Cause No . 55 – Incoming calls barred within CUG at destination is cause indicates that incoming c alls ...

  • Telos NX12 - page 97

    TECHNICAL D A T A & TROUBLESHOOTING | 87 CLASS 1.5 (inv alid message; e.g . paramet er out of range) Cause No . 81 – Invalid call reference value is cause indicates that the equipment sending this c ause has received a messag e with a call reference which is not currently in use on the user-network interface. is value only applies if th ...

  • Telos NX12 - page 98

    88 | Section 6 be processed. Cause No . 97 - Message type non-existent or not implemented is cause indicates that the equipment sending this c ause has received a messag e with a mes- sage type it does not recogniz e either because this is a message not defined, or defined and not implemented by the equipment sending this cause. Cause No . 98 ...

  • Telos NX12 - page 99

    TECHNICAL D A T A & TROUBLESHOOTING | 89 calls, etc. Cause No . 113 – Bearer ser vice unavailable [ VN 4 onl y] is cause indicates that the bearer ser vice requested is not available or is unimplemented. Cause No . 114 – End-to-End Information transf er impossible [ VN 4 onl y] is cause indicates that the requested network does not su ...

  • Telos NX12 - page 100

    90 | Section 6 ...

  • Telos NX12 - page 101

    | 91 7 Specications General Interface for connecting six ISDN BRI (S) or twelve analog telephone lines to professional studio equipment. Includes four high-performance digital hybr ids and a digital matrix switch. All hybrids c an be dedicated to a single studio for excellent conferencing results, or the Nx12 may be used to ser ve two studios ...

  • Telos NX12 - page 102

    92 | Section 7 Audio Analog Inputs 2x send analog inputs ♦ 2x Pr ogr am-on-Hold analog inputs ♦ XL R f emale, pin 2 high. Active balanced, with RF protection. ♦ Out put level ♦ adjustable f rom –7 to +8 dBu (no minal) Analog clip point ♦ +21dBu Out put impedance ♦ <60 Ohms x2 Analog-to-digital conver ter resolution ♦ 20 bits ?? A ...

  • Telos NX12 - page 103

    SPECIFICA TIONS | 93 12 telephone lines, 4 hybr ids, 4 studio inputs, 4 studio outputs, 2 Pr ogram-on-Hold ♦ inputs ISDN T elephone Line Connectivit y Pr otocol Compatibility : National ISDN-1 and 2 ♦ DMS-100 Custom F unctional ♦ A T&T 5ESS Custom P oint-to-P oint ♦ Euro-ISDN conforming to the NET 3/ETS300 pr otocol ♦ Interface (one o ...

  • Telos NX12 - page 104

    94 | Section 7 W ith analog audio in/out, ther e are only two total inputs and outputs. So the Nx12 must ♦ be used in a mode that combines the two hybrids assigned to each studio into one input/ output. e AES option pr o vides 4 input and 4 output channels total, so all hybrids are accessible ♦ with each studio using one AES co nnection ’ ...

  • Telos NX12 - page 105

    SPECIFICA TIONS | 95 ...

  • Telos NX12 - page 106

    96 | ...

  • Telos NX12 - page 107

    | 97 8 W arr anty and Application Caution TELOS Nx12 L IMIT ED W AR RANT Y is W arr anty covers “the P roducts,” which are defined as the various audio equipment, parts, soft ware and accessories manufactur ed, sold and/or distributed by TLS Corp.,d/b/a T elos Sy stems (hereinafter “ T elos S ystems”). W ith the exception of software-on ...

  • Telos NX12 - page 108

    98 | ...

  • Telos NX12 - page 109

    US A SP I DS BY TE LC O | 99 Alltel (Ohio) XX XY Y YZZZZ0101 Ameritec h XX XY Y YZZZZ0111 or XX XY Y YZZZZ011 or 01Y Y YZZZZ011 or XX XY Y YZZZZ01 Bell Atlantic 01Y Y YZZZZ00 or 01Y Y YZZZZ000 or 01XX XY Y YZZZZ000 or XX XY Y YZZZZ100 Bell Atlantic Nor th (F or mer NYNEX) XX XY Y YZZZZ0101 or XX XY Y YZZZZ0000 Bell Canada XX XY Y YZZZZ00 or XX XY Y ...

  • Telos NX12 - page 110

    100 | Appendix 1 Centur y T elephone XX XY Y YZZZZ00 Cincinnati Bell 01Y Y YZZZZ000 or SPID1 00Y Y YZZZZ01 SPID2 00Y Y YZZZZ02 or 00Y Y YZZZZ01 F or t Mills T elep hone XX XY Y YZZZZ F rontier Communications 01Y Y YZZZZ000 GCI (Alaska) XX XY Y YZZZZ00 GT E XX XY Y YZZZZ0101 or XX XY Y YZZZZ0001 or 01Y Y YZZZZ000 or XX XY Y YZZZZ00 or 01Y Y YZZZZ0 o ...

  • Telos NX12 - page 111

    US A SP I DS BY TE LC O | 101 SPID2 XXXYY YZZZZ100 Standard T elephone (GA) SPID1 XXXYY Y ABCDCD SPID2 XXXYY YEFGHGH (last two digits of phone number repeated) US W est XX XY Y YZZZZ1111 or 01Y Y YZZZZ00 or 01Y Y YZZZZ000 V er iz on- See Bell Atlantic, or G T E V er mont T elephone XX XY Y YZZZZ0101 Quest- S ee US W est Rochester T elephone 01Y Y Y ...

  • Telos NX12 - page 112

    102 | ...

  • Telos NX12 - page 113

    GUIDE T O TELEPHONE TERMINOLOGY | 103 Y ou’ ll get better results f rom the T elco if you understand and speak the lingo! W e have tried to inc lude the typic al acron yms used by T elco personnel. W e’ve put the definition under the most commonly used acronyms. AMI – Alternate Mark Inversion. A T1 line coding method. is is the older of t ...

  • Telos NX12 - page 114

    104 | Appendix 2 or incentive to potential tenants. If a BL EC offers L ong Distance Ser vice it is covered by the same regulations as any other L EC. Blocking - W hen a circuit switched call cannot be completed. e percentage of blocked calls to the number of calls attempted f orms the basis of a statistic called “ gr ade of ser vice”. Whil ...

  • Telos NX12 - page 115

    GUIDE T O TELEPHONE TERMINOLOGY | 105 your station runs a contest) the other choke exchange users will be blocked because all tr unks into the choke exchange will be busy . In the modern network, using C CIS signaling such as SS7, actual trunks are not used to convey “ busy ” or “all trunks busy ” conditions. us blocking due to a station ...

  • Telos NX12 - page 116

    106 | Appendix 2 number of trunks in the system. DID T r unk - A Direct Inwar d Dialing T runk. A trunk (channel) which can only receive calls. A group of telephone numbers (DID numbers) are associated with a given trunk group , however there is no one-to-one correspondence between the individual channels and these numbers. e PBX uses the DI D n ...

  • Telos NX12 - page 117

    GUIDE T O TELEPHONE TERMINOLOGY | 107 F r ame – A unit of data which is defined by the specific communi- cations protocol used. See Line F or mat, T1. FX O – F oreign Exchange Office termination. A line or port meant to connect to connect to the POTS output of a Central Office. S uch an interface goes off and on hook to signal status and exp ...

  • Telos NX12 - page 118

    108 | Appendix 2 system was devised by the National ISDN User’ s F orum and Bellcore to simplify ordering new ISDN lines in the USA and Canada. Using a single code specifies all line specifications. e T elos Z ephyr , ZephyrExpress, TW O, and TWOx12 suppor t IOC package “S”. Search for document NIUF 428-94 at NI UF ’ s web page http:// ...

  • Telos NX12 - page 119

    GUIDE T O TELEPHONE TERMINOLOGY | 109 Company then any call outside of your LA T A or any Interstate call is considered long distance and is handled by an IEC. e above is true regardless of whether you are referring to a dedicated line or a dial up call. 2) However , under the current state of deregulatio n, toll calls within a LA T A may now be ...

  • Telos NX12 - page 120

    110 | Appendix 2 interfaces to the telephone network. In some cir cles ‘PBX’ implies a manual switchboard whereas ‘P ABX ’ (Private Automatic branch exchange) implies a PBX that supports dialing by end users. Many PBX’ s c an now offer ISDN BRI ser vice, usually over the S Interface. A few vendors are now offering BRI over the U interfa ...

  • Telos NX12 - page 121

    GUIDE T O TELEPHONE TERMINOLOGY | 111 interface. Also known as the S passive bus. S0 - European term for ISDN BRI. See BRI and ISDN2. S2M - European term for ISDN PRI. See PRI and ISDN 30 Sealing Cur rent - Unlike telegraphy , telety pewr iter and POTS lines, most digital lines (such as ISDN) use a voltage rather than current mode of operation. Sea ...

  • Telos NX12 - page 122

    112 | Appendix 2 DS0’ s). e most common f raming scheme for T1 “ robs” bits for signaling leaving 56kbps per channel available for data use. T-1 - A n alternative expression for T1. See T1. TA - T erminal Adaptor . e electronic interface between an ISDN device and the NT1. e terminal adapter hand les the dialing func- tions and inter ...

  • Telos NX12 - page 123

    GUIDE T O TELEPHONE TERMINOLOGY | 113 perfection! U Interface - e interface between the ISDN “BRI” line and the “NT1”. ANSII standards for the US call for 2B1Q line coding, which is also used in some other places (though not necessar- ily). is c an be considered the ISDN “p hone jack” in the USA & Canada, and is f requently in ...

  • Telos NX12 - page 124

    114 | Appendix 2 ...

  • Telos NX12 - page 125

    | 115 A3 USA ISDN Ordering Guide is section applies to users in Canada & USA and is intended to help you when it co mes time to order your ISDN lines. W e assume you are familiar with ISDN’ s basic concepts. If you have not read the ISDN section in the manual, doing so now will help you better understand the information that follows. If yo ...

  • Telos NX12 - page 126

    116 | Appendix 3 regard for such arcana as 5E SS , DMS100, CSV/CSD, SP IDs, etc. Unfortunately , this is not always the c ase. At their central offices, the telepho ne companies use either A T&T/Lucent 5ESS , N orthern T elecom DMS100, or Siemens E WSD switching equipment. W hile each will work with the Nx12, ther e are some differences which ...

  • Telos NX12 - page 127

    USA ISDN ORDERING GUIDE | 117 with an audio codec such as the Zephyr or Zephyr Xstream, then CSD should be order ed as it is required for audio codec calls. CSV is for inter working with voice phone service and al lows ISDN to inter work with analog phone lines and phones. Y ou will be ordering one or more ISDN BRI 2B+D cir cuits with CSV (required ...

  • Telos NX12 - page 128

    118 | Appendix 3 ISDN BRI LINE ORDER USA & Canada T elos Nx12 T o: T elephone Company Attention: ________________________________ Fr om Company: _______________________________________ Address: ________________________________________________ City/S tate/ZIP: __________________________________ Phone: ________________________ Contact:___________ ...

  • Telos NX12 - page 129

    USA ISDN ORDERING GUIDE | 119 □ No hunt groups Y ou may c all the manufacturer of the Nx12, T elos S ystems, at +1 (216) 241-7225 for any additional required information about ISDN compatibility . Ask for ISDN Customer Support. PRO T OC OL: National ISDN-1 F rom A T&T 5ESS , N orthern T elecom DMS100, and Siemens E WSD . If you use IOC Capabi ...

  • Telos NX12 - page 130

    120 | Appendix 3 Give us: T wo SPID numbers, depending upon number of active B channels ♦ T wo Directory Numbers ♦ PRO T OC OL: A T&T P oint-to -P oint (C ustom) Sof tware version 5E4.2 and above. CO V alues Line T ype (DSL class): Custom P oint-to-P oint (P TP) ♦ B1 Ser vice: On Demand (DMD) ♦ B2 Ser vice: On Demand (DMD) ♦ Maximum B ...

  • Telos NX12 - page 131

    | 121 A4 Euro-ISDN Ordering Guide is section applies to users in Europe and other countries where the Eur o-ISDN ETS 300 standard is supported (much of South Americ a, Mexico , etc). S ince there are virtually no options when ordering Euro ISDN this section is pr obabl y not needed, however we thought w e could help out by summarizing what you w ...

  • Telos NX12 - page 132

    122 | Appendix 3 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 voice and/or data use. P hone terminolog y for the c lass of ser vice is CSV for Circuit Switched V oice and CSD for Cir cuit Switched Data. (In contrast to PSD, Packet Swi ...

  • Telos NX12 - page 133

    ISDN BRI LINE ORDER ETS-300 Euro-ISDN T elos Nx12 T o: T elephone Company Attention: ________________________________ Fr om Company: _______________________________________ Address: ________________________________________________ City/S tate/ZIP: __________________________________ Phone: ________________________ Contact:___________________________ ...

Manufacturer Telos Category Cell Phone

Documents that we receive from a manufacturer of a Telos NX12 can be divided into several groups. They are, among others:
- Telos technical drawings
- NX12 manuals
- Telos product data sheets
- information booklets
- or energy labels Telos NX12
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 NX12.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Telos NX12, service manual, brief instructions and user manuals Telos NX12. 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 NX12.

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A complete manual for the device Telos NX12, 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 NX12 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Telos NX12.

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 NX12 - 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 NX12, 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 NX12, that we can find in the current document
3. Tips how to use the basic functions of the device Telos NX12 - which should help us in our first steps of using Telos NX12
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Telos NX12
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Telos NX12 in a specific country, if it was not possible to solve the problem on our own.

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