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Polycom DOC2237A - page 1
P olycom MGC 50/MGC 100 Hardware & Installation Guide Ve r s i o n 9.0.4 | August 2010 | DOC2237A ...
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Polycom DOC2237A - page 2
T rademark Information P olycom®, the P olycom “T riangles” logo, and th e names and marks associated with P olycom ’s products are trademarks and/or service marks of P olycom, Inc., and are registered and/or common-law marks in the Un ited States and various other count ries. All other trademarks are the property of th eir respective owners ...
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Polycom DOC2237A - page 3
MGC Hardware and Installation Guide i T able of Content s Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 MGC Unit Main Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 MGC-50/MGC-100 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Scope of Manual . . ...
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Polycom DOC2237A - page 4
T able of Co ntent s ii Connecting the MGC-50 to the Operator Workstation (PC) Directly via RS-232 (Opti onal) . . . . . . . . . . . . . . . . . . . . . 2-28 Connecting the MGC-50 to the Netwo r k . . . . . . . . . . . . . . 2-28 Connecting the MGC-50 to the AT M Network . . . . . . . . . 2-30 Connecting the MGC-50 to the IP Ne twork . . . . . . . ...
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Polycom DOC2237A - page 5
MGC Hardware and Installation Guide iii Fuse/Circuit Breaker (AC Power) . . . . . . . . . . . . . . . . . . . . . . . 4-22 Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22 Alarms Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22 Functional M ...
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Polycom DOC2237A - page 6
T able of Co ntent s iv Video Module Architecture . . . . . . . . . . . . . . . . . . . . . . . . 4-59 Video+ Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-60 Video+ Module Architecture . . . . . . . . . . . . . . . . . . . . . . . 4-61 Data Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Polycom DOC2237A - page 7
MGC Hardware and Installation Guide v Cables For the MPI-8 Network Interface Module . . . . . . . . A -6 ...
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Polycom DOC2237A - page 8
T able of Co ntent s vi ...
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Polycom DOC2237A - page 9
1-1 1 Before Y ou Begin The MGC-50 and the MGC-100 are hi gh performance, hi gh capacity Multipoint Control Unit s (MCU) which supp ort up to 48 port s for the MGC- 50, and 96 ports for the MGC-100. They utilize a vari able port band width ranging from 56 to 1920 Kbps. Figure 1-1: MGC 50 Figure 1-2: MGC 100 ...
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Polycom DOC2237A - page 10
Chapter 1 - Before Y ou Begin 1-2 The system meets Internation al T elecommunication Union - T elecommunic ation Stan dardization Sector, (ITU-T , formerly CCITT) standards for multipoin t mu lt imed ia brid gi ng devi ces, and meets ETSI standards for telecommunication produc ts. The MGC-100 DC also meets the NEBS Compliant Standard (when so order ...
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Polycom DOC2237A - page 11
MGC Hardware and Installation Manual 1-3 MGC Unit Main Features The MGC unit offers the following features: • Supports a lar ge number of ports (4 8 for the MGC-50, 96 for t he MGC- 100) running at 128 Kbps • Universal slots, te lco grade high availab ility with hot-swappable modules, redundan cy , on-line upgradi ng and dynamic resource alloca ...
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Polycom DOC2237A - page 12
Chapter 1 - Before Y ou Begin 1-4 MGC-50/MGC-100 S pecifications T able 1-1 lists the specifications of the MGC-50 and the MGC-100 units. T able 1-1: MGC Specifications Physical MGC-50 MGC-100 MGC-100 NEBS Height 16” 16” 21” Width 15”, 19” with mounting plate 23” with mounting plates, 19” with unit at 90 ° 23” with mounting plates ...
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Polycom DOC2237A - page 13
MGC Hardware and Installation Manual 1-5 Channel aggregation H.221, BONDING, Multi-Rate (H0) Network interfaces ISDN: T1 PRI, E1 PRI, Multirate ISDN, NF AS, Leased lines-T1/E1, Switched 56 T1-CAS T1-CAS lines for Audio On ly connections AT M : 25 (FVC.COM), 155 (FVC.COM) IP (H.323 and SIP): LAN Serial: V .35, RS449, RS530/A External Communications ...
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Polycom DOC2237A - page 14
Chapter 1 - Before Y ou Begin 1-6 Operating ESD +8kV S torage ESD +15kV System Communications MGC-50/MGC-100 Integrated scheduler Y es API to 3rd party reservation systems Ye s Conference Setup (Scheduled/ Unscheduled) MGC-50/MGC-100 Meet Me Per • Conference • MCU • Channel • Party Dial-out/Dial-in Y es Diagnostics MGC-50/MGC-100 Power up Y ...
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Polycom DOC2237A - page 15
MGC Hardware and Installation Manual 1-7 AC Input 100-240 V AC, 50/60 Hz 100-240 V AC, 50/60 Hz Power Consumption MGC-50 MGC-100 AC Maximum Power consumption AC V ol tage - 10Amp at 100 V AC, 5 Amp at 240 V AC protected by a 12.5 Amp fuse. Note: Older MCU units may have different power ratings. Contact your next level of support. AC V oltage - 8.5 ...
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Polycom DOC2237A - page 16
Chapter 1 - Before Y ou Begin 1-8 Scope of Manual This manual describes the MGC-50 and the MGC-10 0 hardware and installation pro ced ure. It is inte nded for service en gineers, system administrators and system operators who need to install, con figure and maintain the M GC unit. Detailed informatio n on using the system, in cluding starting and s ...
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Polycom DOC2237A - page 17
MGC Hardware and Installation Manual 1-9 Conventions Before using thi s manual, it is important for you to understand the terms and conventions use d: • The term “Choose” o r “Double-click” is used when you need to activate a menu command or a command butto n i n t he dialog box. • The term “Select” o r “Click” is used to highli ...
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Polycom DOC2237A - page 18
Chapter 1 - Before Y ou Begin 1-10 List of Abbreviations The following is t he list of abbreviat ions used througho ut this manual: T able 1-2: Abbreviatio ns API Application Programming Interface CSU Channel Service Unit DPR Dual Port Ram ESD Electro-Static Dischar ge HDLC High-level Data Lin k Control HSD High Speed Data IP Internet Protocol ISDN ...
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Polycom DOC2237A - page 19
MGC Hardware and Installation Manual 1-11 Inst allation and Configuration Workflow The MGC unit in stallation and confi guration process includ es the following main steps: Hardware Installatio n, Software Instal lat io n, Da tab ase Configurat i on, Network Services defini ti on and the MGC uni t cards configuration. The Hardwa re Install ation st ...
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Polycom DOC2237A - page 20
Chapter 1 - Before Y ou Begin 1-12 ...
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Polycom DOC2237A - page 21
2-1 2 Hardware Inst allation This chapter des cr ibes the unpacking and conn ect ion of both the M GC+50 and the MGC+100, to the ISDN , T1-CAS, H.323, MPI or serial network to the operator workstation (PC) Figure 2-1: Installation and Configuration Workflow - Hardware Installation MGC Hardware and In stallation Manual, Chapter 2 MGC Hardware and In ...
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Polycom DOC2237A - page 22
Chapter 2 - Hardware Installation 2-2 MGC-100 Hardware Inst allation Unp acking and Positioning the MGC-100 T o unpack and pos ition the MGC-100 : 1. When you rec eive your MGC-100, inspect the equipment for damage and verify that the components mat ch the packing slip. If yo u did not receive a componen t or if there is damage to the system, notif ...
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Polycom DOC2237A - page 23
MGC Hardware and Installation Manual 2-3 3. Release the clasp locks at the bott om, and lift the MG C-10 0 top cov er . Figure 2-2: Unp acking the MGC-100 4. Lift the MGC-100 un it and re move the packag ing material. 5. Lower th e MGC-100 unit, placi ng it on the surfa ce. If the MGC-100 is a standalone unit, place it on a flat surface . If you ar ...
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Polycom DOC2237A - page 24
Chapter 2 - Hardware Installation 2-4 Mounting the MGC-100 on a 23” Rack The MGC-100 can be mou nt ed to a 23” rack using the two mo unt ing plates that are pre-inst alled on the uni t. 1. Make su re that the MCU is t urned OFF and it is disconnected from the AC or DC power . 2. Place the MCU in a 23” rack and supp o rt it, screw the mount in ...
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Polycom DOC2237A - page 25
MGC Hardware and Installation Manual 2-5 6. Unscrew bo th MCU the side sc rews and remove both sid e plates. 7. From the inside of the MGC- 100, screw the moun ting brackets to both sides of the MCU, securing the screws in the mounted nuts. front Remove plate Screw mounting plate from the inside of th e MGC Secure wi th nut (Front) ...
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Polycom DOC2237A - page 26
Chapter 2 - Hardware Installation 2-6 8. Place the MCU in a 23” rack and while suppor ting it, screw the mo unting brackets to the rack securing it wi th bo lts and self -l ock in g nu ts. Mounting the MGC-100 on a 19” Rack The MGC-100 ca n be mounted in a 19” rack using th e mounting kit (P/N- KIT2026A). It is highly re commended that the 19 ...
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Polycom DOC2237A - page 27
MGC Hardware and Installation Manual 2-7 1. Check that all the part s are in the kit. The kit should contain the following items: 2. Make sure that the MCU power is turned OFF and it is disconnected from the AC and DC power . Remove the side covers as described on page 2-4. 3. If the MCU is a standalo ne unit, you must fi rst remove the side c ov e ...
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Polycom DOC2237A - page 28
Chapter 2 - Hardware Installation 2-8 5. Carefully rotate the MGC-100 countercl ockwise 90°, making sure the Control Unit is a t the bottom left. 6. While supporting th e M GC-100, place it on the 1 9” rack and screw the brackets to the rack, securing it with th e screws and nuts sup plied with the rack. NEBS S ta ndard For installations based w ...
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Polycom DOC2237A - page 29
MGC Hardware and Installation Manual 2-9 Connecting and Sett ing Up the MGC-100 Use the MGC-100 rear panel di agram below for reference. Figure 2-5: MGC-100 Rear Pane l with External Connectors T o connect the MGC-100 to the netw ork and power source and set up th e system the foll owing procedures ar e performed: • Connecting the MGC un it to th ...
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Polycom DOC2237A - page 30
Chapter 2 - Hardware Installation 2-10 MGC-100 Dongle MGC-100 is shipped wi th a serial dongle in st alled on COM1 on the MCU rear panel. The do ngle is required fo r normal operation of the MCU. If the dongle is missing, p lease contact support. Connecting to the power sou rce Y ou can c onnect to an AC Inlet or to D C power supply according to th ...
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Polycom DOC2237A - page 31
MGC Hardware and Installation Manual 2-11 T o connect to t he -4 8DC power sy ste m: 1. Make sure th e power switch is OFF . T urn off the DC power d istribution unit. 2. Using th e three wi re s 10 A WG cable runn in g fro m the DC power distribution unit, connect the black wire into the -48IN terminal block and the red wire to the -48V R TN termi ...
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Polycom DOC2237A - page 32
Chapter 2 - Hardware Installation 2-12 5. T urn on the power by pressing on the power switch located on the rear panel of the MGC-100 unit. Connecting the MGC-100 to the LAN Network Connect one en d of a network cable to t he LAN connector on the rear panel of the MGC-100 and the other end to the network. Connecting the MGC-100 to the Operato r Wor ...
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Polycom DOC2237A - page 33
MGC Hardware and Installation Manual 2-13 Connecting the MGC- 100 to t he Networ k T o connect the MGC-100 to the ISDN network or T1-CAS Network : • Connect the 8-pi n RJ-4 5 connector of the network cable to the NET RJ-45 jack on th e rear panel of the MGC-10 0. Repeat this step for e ach of the ISDN network lines to be connected to the Net work ...
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Polycom DOC2237A - page 34
Chapter 2 - Hardware Installation 2-14 T o connect the MGC-100 to the A TM network: The MGC-100 can be co nnected to an A T M network. The type of connection being used di ffers accordi ng to the A TM Network Interface ca rd installed in the MCU. If an A TM-25 network in terface card is installed, co nnect the 8-pin RJ-45 connector of t he network ...
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Polycom DOC2237A - page 35
MGC Hardware and Installation Manual 2-15 T o connect the MGC-100 to the IP network: If an IP network Interface card i s installed in the MG C-100, connect the 8-pi n RJ-45 connector of th e LAN network cable to the LAN -323 RJ-45 jack on the rear panel of the MGC-100. Figure 2-9: LAN H.323 network con nection The IP network properties m ust be de ...
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Polycom DOC2237A - page 36
Chapter 2 - Hardware Installation 2-16 MPI-4/8 Hardware Inst a llation for the MGC-100 The MPI-4/8 (Multi Prot ocol Interface) Network Int erface card is inserted into the MGC -100 unit. The MPI box may be mounted on to p of the MGC-100 usin g mounting brackets, or on a separate 19” or 23 ” rack, as can be seen in Figu re 2-8. When installed on ...
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Polycom DOC2237A - page 37
MGC Hardware and Installation Manual 2-17 T o install the MP I- 4/8 Network Interface Module: 1. Slide the MPI-4/8 Net work Interface modu le into a free slot in the MGC front panel. 2. Push the MPI-4/8 Network Interface mo dule firmly into the B ackplane, making sure it is properly se ate d in its slot. 3. T ighten the screws on th e front panel o ...
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Polycom DOC2237A - page 38
Chapter 2 - Hardware Installation 2-18 4. Place the mount ing bracket on top of the MCU aligning it against t he screw openings as sho wn b elow and tight e n the screws. 5. Mount the bracket on the other si de of the MCU (repeat step 4). 6. Place the MPI box with its fo ur 160-pin connectors facing the MCU front panel between the two mounting brac ...
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Polycom DOC2237A - page 39
MGC Hardware and Installation Manual 2-19 7. If the MCU is standalone, reassemb le the side panels . If the MCU is rack mounted, mount the unit on the rack and connect all the external cables. 8. Using the cable provide d with the MPI kit, co nnect the 160-pi n connector to Port A of the MPI-8 Netw ork Interface front panel. Conn ect the other end ...
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Polycom DOC2237A - page 40
Chapter 2 - Hardware Installation 2-20 10. Connect the seria l cable runn ing from th e DCE to the approp riate 37 -pin connector on the rear panel of the MPI Box. If dialing is u sed, connect the appropriate cabl e from the DCE to the 25 -p in connector on the rear panel of the MPI Box. Whenever the M GC unit i s used as a DCE and connected straig ...
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Polycom DOC2237A - page 41
MGC Hardware and Installation Manual 2-21 MGC-50 Hardware Inst allation Unp acking and Posi tioning the MGC-50 T o unpack and position t he MGC-50: 1. When yo u rec eiv e y ou r MG C-50 , i nsp ect th e eq ui pmen t for damage and verify that the components matc h the packin g slip. If you did no t receive a component or if the re is damage to the ...
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Polycom DOC2237A - page 42
Chapter 2 - Hardware Installation 2-22 3. Release th e clasp lock s at the bot tom, and lif t the MGC-5 0 t op cover . Figure 2-12: Unpacking the MGC-50 4. Lift th e MGC-50 unit and remo ve the package base . 5. Lower the MGC-50 unit, placing it on the surface. If you are rack mounti ng the MGC-50 , allow a minimum clearance of 3 inches above the u ...
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Polycom DOC2237A - page 43
MGC Hardware and Installation Manual 2-23 Mounting the MGC-50 on a Rack The MGC-50 can b e mounted in a 19” rac k using two mounting plates (Kit 2012A). The side plates are usually mo unted when shipp ed, but if no t, follow the directio ns below to in stall the mo unt ed plates on the MGC-50 and then mount the MGC-50 on the 19” rack. T o insta ...
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Polycom DOC2237A - page 44
Chapter 2 - Hardware Installation 2-24 6. Once t he Main Control Module, the power su pply module and t he boards are removed, unscrew the side screws from inside the MGC-50, and then remove the plate from both MGC-50 sides. 7. From the in side of the MGC-50, screw th e mounting bracket to th e side of the MGC-50, securing the screws in the mounted ...
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Polycom DOC2237A - page 45
MGC Hardware and Installation Manual 2-25 8. T o remove t he plate from the right side of the MGC u nit remove the appropriate number of functional mo dules to allow access to t he screws. 9. From the inside of the MGC-50, screw the mounting bracke t to the side of the MGC-50, securin g the screws with the mount ed nuts. 10. Insert the fu nctional ...
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Polycom DOC2237A - page 46
Chapter 2 - Hardware Installation 2-26 Connecting and Setti ng Up the MGC-50 Use the MGC-50 rear panel di agram below fo r reference. Figure 2-13: MGC-50 Rear Panel with External Connectors T o connect the MGC-50 to the network and po wer so urce and set up the system the foll owing pr ocedures are performed: • Connecting th e MGC unit to the pow ...
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Polycom DOC2237A - page 47
MGC Hardware and Installation Manual 2-27 Connecting to the Power Source T o connect to t he A C Inlet: 1. Make sure th at the power switch lo cated on the rear panel of t he MGC unit is off. 2. Insert t he power cable into th e power connector on th e rear panel of the MGC-50 unit. 3. Insert t he power cable into the power source socket. 4. T urn ...
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Polycom DOC2237A - page 48
Chapter 2 - Hardware Installation 2-28 Connecting the MGC-50 to the LAN Network Connect one en d of a network cable to t he LAN connector on the rear panel of the MGC and the other end to the ne twork. Connecting the M GC-50 to the Operator W orkst ation (PC) Directly via RS-232 (Optional) Connect one end of an RS-232 cable to the C O M 2 connect o ...
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Polycom DOC2237A - page 49
MGC Hardware and Installation Manual 2-29 Figure 2-14: ISDN network connectio n • Leased lines should be conne cte d using an adapter with a screw connector for solid conductor wires wi th a diameter in the range 0.4 to 0.6 mm. Use Polycom P/N CBL0602A or similar adapter . Connect one side of the adapter to the NET R J-45 jack on the rea r panel ...
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Polycom DOC2237A - page 50
Chapter 2 - Hardware Installation 2-30 Connecting the MGC-50 to the A TM Network The MGC-50 can be connect ed to an A TM network. The type of connection used differs a ccording to the A TM Ne twork Interface card instal led in the MCU. If an A TM-25 network in terface card is installed, co nnect the 8-pin RJ-45 connector of t he network cable t o t ...
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Polycom DOC2237A - page 51
MGC Hardware and Installation Manual 2-31 Connecting the MGC-50 to the IP Netwo rk If an IP network Interfac e card is in stalled in the MGC, conn ect the 8-pin RJ-45 connector of th e LAN network cable to the LAN -323 RJ-45 jack on the rear panel of the MGC. Figure 2-17: LAN IP network connection The IP network properties must be de fined in the I ...
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Polycom DOC2237A - page 52
Chapter 2 - Hardware Installation 2-32 MPI-8 Hardware Inst a llation for the MGC-50 The MPI-8 Network Interface card is inserted into the MGC-50. The MPI box is mount ed on a 19” rack together with the MG C-50, as can be seen in Figure 2-15. The MPI box is mo unted directly on the rack, above the MGC-50, leaving at least 6” free space above the ...
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Polycom DOC2237A - page 53
MGC Hardware and Installation Manual 2-33 T o install the MPI-8 Ne twork Interface Module: 1. Slide th e MPI-8 Network Interface modu le into a free slot in the MCU front panel. 2. Push the MPI-8 Network Interface mo dule firmly into the B ackplane, making sure it is properly se ate d in its slot. 3. T ighten the screws on th e front panel of the M ...
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Polycom DOC2237A - page 54
Chapter 2 - Hardware Installation 2-34 Using a second cable, connect the 16 0 -pin connector to Po rt B of the MPI-8 Network Interface fron t panel. Connect the other end of the cable to B (Ports 5-8) 1 60-pin connector of the MP I Box. By doing this procedure we have utili z ed the MPI Box as a MPI-8. 5. Connec t the seria l cable runn ing from th ...
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Polycom DOC2237A - page 55
MGC Hardware and Installation Manual 2-35 First Entry IP Configuration This following sectio n describes the first en try IP Configuration for pSOSystem and XPEK Operating Systems. IP Configuration Change on XPEK and pSOS OS 1. Connect a Hub or cross-over L AN cable between the laptop’ s LAN connection an d the LAN connection of the Control Un it ...
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Polycom DOC2237A - page 56
Chapter 2 - Hardware Installation 2-36 The Add MCU dialog box opens. b. In the Name box, enter the name of the MCU. Specify a name that cl early identifies the M CU. c. In the IP Addr ess box, enter the factory-set ting IP Address:129.254.4.8. d. Click OK . The new MCU is added to the MCUs list. 9. In the M CUs list, double-click the MCU ic on to c ...
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Polycom DOC2237A - page 57
MGC Hardware and Installation Manual 2-37 10. Modify the IP address of t he MCU unit as allocated by the n etwork administrator . This is the IP address with which the MCU is identified on the LAN site: a. Right-click the MCU icon, and then clic k IP Configuration . The IP Configuration dial og box opens. b. The follow ing parameters shou ld be mod ...
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Polycom DOC2237A - page 58
Chapter 2 - Hardware Installation 2-38 1 1. Click OK . 12. Exit t he MGC Manager an d switch OFF the MCU. 13. Disconnect the MCU from the cross-over cable. 14. Connect the MCU to your site’ s network. 15. Switch ON the MCU. a. Right- click th e MCU icon, and then click Proper ties . T able 2-2: IP Configuration Opti ons Option Description IP Addr ...
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Polycom DOC2237A - page 59
MGC Hardware and Installation Manual 2-39 The MCU Pr operties dialog box opens. b. Enter the IP address of the MCU as you have defined in the IP Configuration. c. Click OK. Using a DOS Diskette with the Updated LAN.CFG File 1. Using W indows Notepad, create a n ew text file with th e following text: IP_ADDRESS = aaa.bbb.ccc.ddd NETWORK_MASK = aaa.b ...
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Polycom DOC2237A - page 60
Chapter 2 - Hardware Installation 2-40 2. Save the inform ation, creat i ng a text file na med LAN.CF G . 3. Copy the file to an empty DOS disk ette. 4. T urn on the MCU and wait for the Power LED to blink. 5. Insert th e DOS diskette to the MCU di skette drive. 6. The MCU reads i nformation from the diskette several times. W ait for the floppy to ...
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Polycom DOC2237A - page 61
MGC Hardware and Installation Manual 2-41 Clocking T o be able to work with th e network connecte d to the MCU you n eed to synchronize th e system clock with the net work clock. This is done in two steps: • Selecting the network type according to which the system clo ck will synchronize. On ly one system typ e ma y be sele cted for clocking. The ...
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Polycom DOC2237A - page 62
Chapter 2 - Hardware Installation 2-42 ...
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Polycom DOC2237A - page 63
3-1 3 System Architecture The MGC unit is designed to pr ovide maximum reliability , minimum interrupti ons, and e ffortless maintenanc e. Remova ble activ e compon ents are accessed via the front panel to prov ide quick and easy serviceability . Redundant pow er supplies ar e easily accessed via the front pa nel, ensuring a fail safe operation (th ...
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Polycom DOC2237A - page 64
Chapter 3 - System Architec ture 3-2 The MGC Unit is ma de up of: • Main Control Modu le, locat ed at th e top left of the unit wh en viewed from the front • Functional Mo dules, located to the right of the Main Control Module when the uni t is viewed from the fron t • Power Supply Mo dule, located un dern eath the Main Control Module and Fun ...
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Polycom DOC2237A - page 65
MGC Hardware and Installation Manual 3-3 Figure 3-3 descri bes the functional block d iagram of the complete MGC-50. Figure 3-3: MGC-50 components MUSIC I/O H.323 I/O NET I/O Rear Backplane Front Power Supply Module Main Control Module PRI-8 Audio Audio Vide o Video MG-323 Video Video ...
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Polycom DOC2237A - page 66
Chapter 3 - System Architec ture 3-4 Figure 3-4 shows the physical layout of the M GC-100 and how it in terfaces with the outside worl d. Figure 3-4: MGC unit functional block diagram Hard Disk RS232 RS232 Main CPU Ethernet LAN Interf ace Serial Inteface Comm. Controller C 8 M CPU Bus Control Bus Information Highway Main Control Module Operator Wor ...
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Polycom DOC2237A - page 67
MGC Hardware and Installation Manual 3-5 Figure 3-5 shows the physical layout of t he MGC-100 and how it i nterfaces with the out side world . Figure 3-5: MGC-100 functional block diagram RS232 RS232 Ethernet Power Module Power Module Power Module Fan Module Audio Module Vid eo Module Data Module Power Bus Communication Bus Information Power Plane ...
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Polycom DOC2237A - page 68
Chapter 3 - System Architec ture 3-6 Figure 3-6 shows the physical layout of the M GC-50 and how it interfa ces with the outside worl d. Figure 3-6: MGC-50 functional block diagram RS232 RS232 Ethernet Power Module Power Module Power Module Fan Module Audio Module Vide o Module Data Module Power Bus Communication Bus Informat ion Power Plane Serial ...
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Polycom DOC2237A - page 69
MGC Hardware and Installation Manual 3-7 Information Flow Figure 3-7 shows the flow of information wit hi n t he system. Figure 3-7: Signal flow process Information ente rs the MGC units from the telecommunicati ons network via a PBX or CSU, and into the Network Interface Module. The informatio n is then transferred to the MUX Mo dule via th e In t ...
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Polycom DOC2237A - page 70
Chapter 3 - System Architec ture 3-8 The MUX module d ivides the incoming in formation into audio, video and data components, and then forwards the informat ion to the appropriate functional module. The informatio n arriving at th e MUX ports is mul tiplexed into Nx56/64 Kbps channels. These c hannels can be hype rchannels or aggregated channels, d ...
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Polycom DOC2237A - page 71
MGC Hardware and Installation Manual 3-9 MGC Manager Interface As shown in Figure 3-4, “MGC unit functional block diagram” on pa ge 3-4, the Main Cont rol Unit co mmu nicates wit h t he MGC Manag er through th e LAN interface or the RS-232 interface. Power Supply Flow For the MGC-100, the AC power inlet is c onnected by a switch thro ugh a 15 A ...
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Polycom DOC2237A - page 72
Chapter 3 - System Architec ture 3-10 ...
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Polycom DOC2237A - page 73
4-1 4 Hardware Description This chapter describ es t he vari ou s components that make up the M GC unit. The following components are described: • Backplane • Main Cont rol Module • Power Supp ly Mod ule • Fans • Functiona l Modules — ISDN Net-T1/Net-E1 — ISDN/T1-CAS Net-2/4/8 — A TM-25/155 — MG323 —I P 2 4 —I P 4 8 — IP+12, ...
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Polycom DOC2237A - page 74
Chapter 4 - Hardware Description 4-2 MGC-100 Component s Location Figure 4-1 shows the front panel of the MGC-100. The fro nt panel provides access to the M ain Control Mo dule, the Func tional Modul es, and the Powe r Supply Modules. Status LEDs on the Main Control Module, Func tional Modules, and Power Supply Modules indicate t he status of the s ...
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Polycom DOC2237A - page 75
MGC Hardware and Installation Manual 4-3 Figure 4-2 shows the rear panel of th e MGC-100. The rear panel provid es access to the network I/O card connec tors . I/O cards are inserted via the rear panel. In a ddition, the rear pane l houses the main power switc h, AC inlet, fans, the circuit breaker , additional communications ports and alarm ports. ...
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Polycom DOC2237A - page 76
Chapter 4 - Hardware Description 4-4 Figure 4-3 shows the fron t panel of the MGC-100 NEBS Standard. The front panel, as in the MGC-100, provides acce ss to the Main Con trol Module, the Functional Modules, and th e Power Supply Mo du les. Status LEDs on the Main Control Modu le, Fun ctional Modules, an d Power Supply Mo dul es indicate the status ...
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Polycom DOC2237A - page 77
MGC Hardware and Installation Manual 4-5 Figure 4-4 shows the rear panel of the MGC-100 NEBS Standard. The rear panel, as in the standard MGC-100, provides access to the network I/O card conn ec to rs an d fa ns. I/O cards a r e inse rted via the rear panel. Figure 4-4: MGC-100 NEBS standard rear panel with e xternal conn ectors Power Switch and Ci ...
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Polycom DOC2237A - page 78
Chapter 4 - Hardware Description 4-6 Figure 4-5 shows the top view of t he inside of the MGC-100. The Main Control Mod ule, Functiona l Modules, an d I/O cards are all connected to the Backplane. The Power Supp ly Modules, located unde rneath the M ain Contro l Module and t he Functional Modu les, are connected to the Powerplane. Figure 4-5: MGC-10 ...
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Polycom DOC2237A - page 79
MGC Hardware and Installation Manual 4-7 MGC-50 Component s Location Figure 4-6 shows the fr ont panel of the MG C- 50. The front pan el provides access to the M ain Control Modu le, the Functional Modu les, and the Power Supply Modu le. Status LE Ds on the Main Cont rol Module, Func tional Modules, and Power Supp ly Module indi cat e the status of ...
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Polycom DOC2237A - page 80
Chapter 4 - Hardware Description 4-8 Figure 4-7 shows th e rear pa nel of th e MGC-50. I/ O cards ar e inserted via the rear panel. The rear panel also prov ides access to the fans, power supply module, networ k connections, additio nal communications ports, t he main power switch, AC in let, and fuse. Figure 4-7: MGC-50 rear panel with external co ...
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Polycom DOC2237A - page 81
MGC Hardware and Installation Manual 4-9 Figure 4-8 shows the top view of the inside of the MGC-50. The Main Control Module, Functional Modules, and I/O cards are all connected to the Backplane. Th e Power Supply Mo dule is located und erneath the Main Control Modu le and the Func tional Mo dules, and is connected by wire leading to t he backplane. ...
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Polycom DOC2237A - page 82
Chapter 4 - Hardware Description 4-10 Main Control Module The Main Contro l Module performs the functio ns of conference setup, conference teardown, and resource allo ca tion in both the M GC-100 and the MGC-50. The Main Control Module has an In tel-based Pentium processor, a hard disk drive and 256 MB of memory . T o enable 2000 reservation s, the ...
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Polycom DOC2237A - page 83
MGC Hardware and Installation Manual 4-11 The Main Contro l Module inc l udes se veral connectors. These are connected to ports on the c hassis. T wo types of connectors on the rea r panel provide connections from the MGC to variou s external systems. These systems include reservation systems, loc al or remote operator consoles, manage me nt system ...
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Polycom DOC2237A - page 84
Chapter 4 - Hardware Description 4-12 MGC-50/100 Control Unit wi th Removable Hard Drive As an option the Control Unit (CU) can be supplied with a removab le Hard Drive. The Ha rd Drive is pr e-config ured for eith er XPEK or pSO S Operati ng Systems. This Control Unit does not include a floppy disk drive. The following sections describe the st eps ...
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Polycom DOC2237A - page 85
MGC Hardware and Installation Manual 4-13 6. Use the plastic ejec tors to pull the Control Unit out of its slot. 7. Slide the Main Cont ro l Unit out thr ou gh the front pan el and remove the Control Unit from the MCU. Control Unit Installation Installing t he Control Unit o n the MCU : 1. Ensure that the MCU is OFF , and the power cord is di sconn ...
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Polycom DOC2237A - page 86
Chapter 4 - Hardware Description 4-14 6. Attach the rear pa nel back on the chassis. 7. Connect the power cord to the power source and switch ON the main power switch on the rear panel. 8. Open the MGC Manager applica tion. 9. Configure the MCU’ s IP Address as specified in th e First Entry IP Configurat ion section below . IP Configuration Chang ...
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Polycom DOC2237A - page 87
MGC Hardware and Installation Manual 4-15 Inserting the Ha rd Driv e 1. Make sure the MCU is OFF and insert the Hard Drive into its slot. Check that the Hard Drive is firmly lock ed into pl ac e. 2. T urn the key counter clockwise to lock the Hard Drive. 3. T urn ON the MCU. The LED activates on the Ha rd Drive’ s panel afte r MC U startup . 4. I ...
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Polycom DOC2237A - page 88
Chapter 4 - Hardware Description 4-16 4. Y ou can now remove the Hard Drive by sliding it ou t from its housin g. Hard Drive Limit at ions • The XPEK or pSOS change function requires changing pre-configured Hard Drives • IP Change can only be implemented as described in the procedure: “IP Configuratio n Ch ang e on XPEK and pSO S OS” on pag ...
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Polycom DOC2237A - page 89
MGC Hardware and Installation Manual 4-17 Backplane The Backplane is based on the “ univers al slot” concept, where any card can be inserted in any slot. Therefore, di ffe re nt config urations are formed base d on the users’ port capacity and func tionality re qu iremen ts. The Bac kplane supports hot swap ping of Function Modules an d I/O c ...
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Polycom DOC2237A - page 90
Chapter 4 - Hardware Description 4-18 In the MGC-50, the front of the Backpl an e contain s eight slot s for Functiona l Modules and an a dditional slot (Slot A) for the Mai n Control Module. The back of the Backplane also contains eight slots for I/O cards and one “dummy” slot. The Network Interface Mo dule is connected via the Backplane to I/ ...
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Polycom DOC2237A - page 91
MGC Hardware and Installation Manual 4-19 Information Highway The Informatio n Highway is a high capacity T DM-type bus. It is u sed by both the MGC-100 and the MG C-50. The Informati on Highway transfers information fro m the Netwo r k In terface Mo dules to th e M UX Modules and from the MU X Modules to the Audio, V ideo and Dat a Modules except ...
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Polycom DOC2237A - page 92
Chapter 4 - Hardware Description 4-20 Power Supply Module Both MGC units (M GC-100 and MGC-50 ) operate at 100-240 vol ts AC 50/60 Hz. Power Module in the MGC-100 Up to three redundan t power supplies (N +1) provide backup for the system to ensure multip oi nt service is n ot interrupte d as a result of a ny single power supply failure. The Powe r ...
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Polycom DOC2237A - page 93
MGC Hardware and Installation Manual 4-21 Power Module in the MGC-50 In the MGC-50, the Power Supply Module is not hot swappabl e. The power supply auto matically senses the AC input voltage . The capacities of the power supply mo dule are shown in T able 4-2, “MGC-50 Power supply module c apacity”. Power Supply Cord The MGC-100 and the MGC-50 ...
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Polycom DOC2237A - page 94
Chapter 4 - Hardware Description 4-22 Fuse/Circuit Brea ker (AC Power) Currently , MGC-100 Control Units come eq uipped with a circu it breaker . Previous models on t he MG C-100 use one UL appro ved circuit breaker . The specifications of the fuse are shown in T able 4-3. The MGC-50 uses one UL approved fuse, Schurter T ype no. 0001 .1015. The spe ...
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Polycom DOC2237A - page 95
MGC Hardware and Installation Manual 4-23 Functional Modules The Functional Modu les (cards) perform the various audio, video, and data processing functio ns for the MGC unit. Both the MG C-10 0 and the MGC-50 use the same functional modules. The MGC-100 unit houses up to sixteen Fu nctional Modules, which can occupy slots 1 throug h 16 . The MGC-5 ...
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Polycom DOC2237A - page 96
Chapter 4 - Hardware Description 4-24 MG323 Audio, video and data communications across IP based (LAN) networks, including the Internet. • 12 channels at 128, 256 and 384Kbps IP24 Enables Audio, video and data communications across IP based (LAN) networks, including the Internet. • 48 channels at 128Kbps IP48 Enables Audio, video and data commu ...
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Polycom DOC2237A - page 97
MGC Hardware and Installation Manual 4-25 MPI-4 Uses dialin g protocols to communicate to endpoints using “Data T erminal Equipment” (DTE), or Data Communications Equipment (DCE). 120 channels/92 channels MPI-8 Uses dialin g protocols to communicate to endpoints using “Data T erminal Equipment” (DTE), or Data Communications Equipment (DCE). ...
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Polycom DOC2237A - page 98
Chapter 4 - Hardware Description 4-26 The dif ferent types of Functiona l Modules are used to prod uce a variety of configurations. In the MGC-50 up to eight individu al Functional Mo dules can be used to build the de sir ed configuration. In the MG C-100, 16 modules can be used. Figure 4-12 shows the general design of the F unctional Modules. The ...
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Polycom DOC2237A - page 99
MGC Hardware and Installation Manual 4-27 Figure 4-13: General module architectu re The Functional Modules are described in de tail in the following segments. T able 4-5: Common functional module compon ents Component Description Card Manager The Card Manager processor . HDLC Interface Provides the interface for the Control bus. W atch Dog Represen ...
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Polycom DOC2237A - page 100
Chapter 4 - Hardware Description 4-28 Net-E1/Net-T1 ISDN N etwork Interface Module The Net-E1/Net-T1 ISDN Network Inte rface module provides the interface between the MGC unit and the ISD N netw ork. It supports up to two PRI connections o f the same type (E1, T1 ). One ISDN Network Interface module in each MGC unit serves as the “m aster clock,? ...
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Polycom DOC2237A - page 101
MGC Hardware and Installation Manual 4-29 Figure 4-14: Net-E1/Net-T1 ISDN Network Interface Module AT M A TM Hardware TDM Interface ISA Interface Memory HDLC Interface Front Panel LEDs Wa t c h Dog Card Manager A TM-MVIP Card MVIP ...
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Polycom DOC2237A - page 102
Chapter 4 - Hardware Description 4-30 The Net-E1/Net-T1 ISDN Netw ork Interface Dat a Stream Figure 4-14 sho ws a block diagram of the network interface of th e M GC un it. Figure 4-15 : N et -E1 /N e t-T1 ISD N Ne twor k Interface block diagram The Net-E1/Net-T1 ISDN Network Inte rface Module is connected to the telephone network via the Net I/O c ...
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Polycom DOC2237A - page 103
MGC Hardware and Installation Manual 4-31 Net-2/Net-4/Net-8/Net-8L ISDN and Net-2/Net-4 /Net-8 T1-CAS Network Interface Module The Net-2/Ne t-4/Ne t-8/Ne t-8L ISDN Net work Interfac e modu le p rovide s the interface bet ween the MGC unit an d the ISDN network. Th e Net-2/Net-4/ Net-8 T1-CAS Ne twork Interfa ce module pro vi des the inte rf ace bet ...
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Polycom DOC2237A - page 104
Chapter 4 - Hardware Description 4-32 Figure 4-16: Net-2/Net-4/Ne t-8 ISDN/T1 -CAS and Net-8L ISDN Network Interface Module TDM Interface DPR COM Processor Card Manager Front Pane l LEDs Wa t ch Dog HDLC Interface PHYI/F FRAMER TDM I /F ...
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Polycom DOC2237A - page 105
MGC Hardware and Installation Manual 4-33 The Net-2/Net-4 /Net-8 ISDN/T1-CAS Network In terface Data St ream Figure 4-16 shows a block diagram of t he Net-2/Ne t-4/Net-8/Net -8L network interface of the MGC unit. Figure 4-17: Net-2/Net-4/Net-8 ISDN/T1-CAS and Net-8L ISDN Network Interface Block Diagram The ISDN Network Interface Mo dule is connecte ...
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Polycom DOC2237A - page 106
Chapter 4 - Hardware Description 4-34 A TM Network Interface Module The A TM Network Interface Module provides the interf ace between the MGC unit and A TM network . The A TM card may be shipped in t wo configurations: A TM-25 Networ k Interface Module that supports one 25MB connection u sing RJ-45 connect or and A TM-155 Network Interface M odule ...
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Polycom DOC2237A - page 107
MGC Hardware and Installation Manual 4-35 IP and IP+ Network Interface Module The IP and IP+ Ne twork Interface Modules su pport participant connecti ons using H.323 communication standards. The IP+ Network In terface Module also supports SIP part icipants. H.323 is a standard for audio, video and data communications across IP based (LAN) networks, ...
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Polycom DOC2237A - page 108
Chapter 4 - Hardware Description 4-36 The IP+ cards are availabl e i n IP+12, IP+24 and IP+48 port sub-assemblies. The following tabl e lists the type of IP card, its version nu mber , its compatibility with SIP , V oIP and Encrypted confe rences and its capacity . The IP cards with 8 MB memory and 12 port capa city are available from Hardware vers ...
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Polycom DOC2237A - page 109
MGC Hardware and Installation Manual 4-37 T able 4 -2: IP Participant T ypes and Line Rate Capacities Card T ype Partic ipant Ty p e Line Rate 128 Kbps 384 Kbps 512 Kbp s 768 Kbp s E1/T1 MG323/IP12 S tandard Video parti cipan t 12 12 6 6 3 T .120 participant 6 6 6 6 6 SWCP parti cipan t NA 12 6 6 3 IP24 S tandard Video parti cipan t 48 24 12 12 6 T ...
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Polycom DOC2237A - page 110
Chapter 4 - Hardware Description 4-38 IP and IP+ Network Interface Module Architecture The IP and IP+ Network In terface Modules have the same general card structure as other MG C modules: Ca rd-Manager , TDM inte rfac e, and the functional units. Figure 4-18 shows the ar chitecture for the IP an d IP+ Network In terface Modules. Figure 4-19: IP an ...
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Polycom DOC2237A - page 111
MGC Hardware and Installation Manual 4-39 IP+ Port Cap acities The number of participants in a confer ence is limited by the Line Rates and conference type. T able 4 describes the port capacit ies of the cards using different l ine rates. T able 4-1: IP+ Port Capacities Line Rate (Kbps) Number of Par ticipant s IP+12 IP+24 IP+48 Non- encrypted Encr ...
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Polycom DOC2237A - page 112
Chapter 4 - Hardware Description 4-40 The MPI-8 Network Interface Module MPI is an acronym for the Multi Protocol Interface card. The MPI-8 is a seria l communications interface card that uses certain protocols to communicate to endpoints, “Data T erminal Equipmen t” (DTE), or “Data Communications Equipment” (DCE). The protocol s that it us ...
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Polycom DOC2237A - page 113
MGC Hardware and Installation Manual 4-41 Each 160-pin connector can be co nnected to one 16 0-pin connector lo cat ed on the front pan el of t he MPI box. Figure 4-21: MPI box front panel Each of the 160-pin connecto rs on the MPI bo x int erfa ces to fo u r seri al ports found on the back of th e MPI box. Th erefore, each MPI-8 Network Interface ...
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Polycom DOC2237A - page 114
Chapter 4 - Hardware Description 4-42 MPI-8 Network Int erfac e Da ta Stream When the MCU is set as a DTE The ISDN data stream flows from the ISDN telecommunication network through the DCE to the serial port (3 7-pin connector) on the MPI box. The data is then directed from the 37-PIN connector to the 160-PIN connector , which gathers data from fou ...
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Polycom DOC2237A - page 115
MGC Hardware and Installation Manual 4-43 When the MCU is set as a DCE The serial data st ream flows from th e endpo int (DTE) through the serial connector entering th e MPI box by way of the 3 7-pin connector . The data is then directed from the 37-p in connect or to the 160-pin connector connecte d to the MCU (DCE). In the MCU the data st ream is ...
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Polycom DOC2237A - page 116
Chapter 4 - Hardware Description 4-44 MPI Network Interf ace Module Architecture Figure 4-25, “MPI-8 Network Interf ace module archite cture” shows the architecture for the MPI-8 Network Interface Module. Figure 4-25: MPI-8 Network Interface module architecture MUX Module The MUX Modul e multiplexes and d emultiplexes the a udio, video, data, a ...
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Polycom DOC2237A - page 117
MGC Hardware and Installation Manual 4-45 The MUX Module receives information in one of the fo llowing st andard formats: • Hyper-channel (or multi-rate ISDN) • Aggregated chann el usin g th e BON DING Mo de 1 standard from 2 channels of 56/64 Kbps to 30 chan nel s of 56/64 Kbps • Aggregated channel using the ITU-T H.221 stan dard for channel ...
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Polycom DOC2237A - page 118
Chapter 4 - Hardware Description 4-46 MUX Module Architec ture Figure 4-25 shows the card ar chitecture of th e MUX Module. Figure 4-26: MUX Module MUX MUX Hardware LEDs FPGA MUX Processor DPR x4 FLASH SRAM PA L TDM Inter face Card Manager Watc h Dog Memory HDLC Interface Fron t Panel LEDs ...
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Polycom DOC2237A - page 119
MGC Hardware and Installation Manual 4-47 MUX+ Module The MUX+ card performs multip lexi ng and demultiple xing of audio, video, data and contro l information. The MU X+ card has the same general card architecture as the MUX card and it incl udes the same number of processors. The MUX+ card capabiliti es include: • Higher capacity • Flexible po ...
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Polycom DOC2237A - page 120
Chapter 4 - Hardware Description 4-48 The MUX+ card can be installed toge ther with a MUX card in the same MCU. A conference can run on multiple MU X+ c a r d s , a n d o n b o t h M U X a n d MUX+ cards simultaneo usly (with non-encrypt ed participants). The MUX+ hand les a variety of Line Ra tes, aggregati on calls (1B to 6B) and Bonding calls (1 ...
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Polycom DOC2237A - page 121
MGC Hardware and Installation Manual 4-49 IVR/Greet & Guide Welcome Slide Up to four video sl ides can be stored on the MUX+ card, in the same way that they are stored on the MUX card. In a mixed system wi th MUX and MUX+ cards, the W elcome slide i s down loaded to all MUX/MUX+ cards. MUX+ Port Cap acity MUX+ resources are allocated at the res ...
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Polycom DOC2237A - page 122
Chapter 4 - Hardware Description 4-50 The following table details the number of p orts available with the MUX+ cards. T able 4-2: MUX+ Cards Port Capacity Card type Particip ant Line Rate Number of non- encrypted ports capacity Number of encrypted ports capacity MUX+10 128 18 9 256 16 9 384 10 5 512 10 5 768 6 3 T1 2 1 E1 2 1 MUX+20 128 36 18 256 3 ...
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Polycom DOC2237A - page 123
MGC Hardware and Installation Manual 4-51 MUX+ Particip ant Move Options The administrator has th e o ption to define move behavior of encry pted participants by se tting the system.cfg flag: ALLOW_ENCR YPT_IN _P AR TY_LEVEL =YES/NO. When set to YES, participants can move: • From an encrypted confer ence to a non-encrypted conference or an other ...
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Polycom DOC2237A - page 124
Chapter 4 - Hardware Description 4-52 MUX+ Resource Report MGC-50/100 Resource Report The Resources Report, displays th e total number of MUX+ port resour ces available according to the card type, line rate and encryption. In the example sh own here, the sy stem lists the tot al number of port s available with the MUX+20 card for both non-encrypted ...
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Polycom DOC2237A - page 125
MGC Hardware and Installation Manual 4-53 Audio Module (St andard) The Audio Module performs audio compression, decompression, and bridging. The Audio Mod ule also perform s transcoding between vario us audio algori thms. The Audio Mod ule supports the following algorithms: • ITU-T G .711 48, 56, and 64 Kbps • ITU-T G .72 2 4 8, 56, and 64 Kbps ...
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Polycom DOC2237A - page 126
Chapter 4 - Hardware Description 4-54 The following selectio ns can be enabled with the Audio br idge: 1/30 , 4/16 , 6/12 . • The total number of co nferences that can be run by the MCU is: Number of Audio mo dules x 4 number of conferences sel ected for the Audio Bridge for each card. For exam pl e, if the sy stem conta ins 2 audio modules and t ...
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Polycom DOC2237A - page 127
MGC Hardware and Installation Manual 4-55 Audio Module Architecture Figure 4-26 shows the a rchitecture for the Audio M odule. Figure 4-29: Audio Mo dul e Audio Bridge DSP Message Card Audio Codec DSP DPR x 12 x 12 DPR DPR Memory TDM Interfa ce Card Manager Audio Audio Hardware Wa t c h Dog Front Panel LEDs HDLC Interface ...
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Polycom DOC2237A - page 128
Chapter 4 - Hardware Description 4-56 Audio+ Module The Audio+ Module performs audi o compression, decompression, and bridging. The Audio+ Module also performs transcoding b etween various audio algorithms. The Audio+ Module su pports the following alg orithms: • ITU-T G .71 1 48, 56, and 64 Kbps • ITU-T G .722 48, 5 6, and 64 Kbps • ITU-T G ...
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Polycom DOC2237A - page 129
MGC Hardware and Installation Manual 4-57 Audio+ Module Architecture Audio+ represents a new fami ly of audio cards. Audio+ ha s th e same general card architecture as the audio card, but with a dif ferent number of processors. This has an impact on the number of port s supp or ted by each card. Figure 4-30: Audio+ Module Audio + Port Cap acities T ...
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Polycom DOC2237A - page 130
Chapter 4 - Hardware Description 4-58 The followin g table det ails the c a rd capacities acco rding to the Audio algorithm used in t he co nference when the MCU is configured to Medium Band. The followin g table det ails the c a rd capacities acco rding to the Audio algorithm used in t he conf erence when the MCU is co nfigured to W ide Band. T ab ...
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Polycom DOC2237A - page 131
MGC Hardware and Installation Manual 4-59 V ideo Module (St andard) The V ideo Module performs vid eo processing and Transcoding. The module supports the ITU-T H.2 61 and H.263 stan dards (“V ideo Codec for Audiovisual S ervices at Px64 Kbps ”) . The V ideo Module supports mult iple sites. When usin g the Continuous Presence mode of operation, ...
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Polycom DOC2237A - page 132
Chapter 4 - Hardware Description 4-60 The maximum tran smission capability o f E1 lines (up to 1920 Kbps) can be used in T ranscoding or Continuous Pres ence conferences. T o enable the high line rate transmission, a newer vi deo card ve rsi on (version 1.4 3 an d up) must be installed. Figure 4-12 describes the various video car d versions and the ...
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Polycom DOC2237A - page 133
MGC Hardware and Installation Manual 4-61 • Quad Mode Continuous Presence - Additional Contin uous Presence layouts suitable for large conferences, i.e. 4x4. • H.263 video proto col at 30 Frames Per Second • Improved V ideo Quality • Improved Continuou s Presence image quality at high bit rates (1.52 Mbps) • No fragmentation - Conference ...
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Polycom DOC2237A - page 134
Chapter 4 - Hardware Description 4-62 Dat a Module The Data Module performs conference da ta and control rout ing for up to 12 participan ts. The system allows for 12 co nference s of one partic ipant each , or one conference of 12 par ticip ants or any combinatio n in between. In T .120 conferences, the data mo dule does the Transcoding. The modul ...
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Polycom DOC2237A - page 135
MGC Hardware and Installation Manual 4-63 Input/Output Cards Input/Output (I/ O) Cards connect the Functional Mo dules to external systems and networks. The I/O Cards are housed b ehind the Backplane, opposite the Functional Modules. The I/O Cards, whi ch are small a nd simple, are installed vi a the rear pa nel of the MGC. A connector at the rear ...
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Polycom DOC2237A - page 136
Chapter 4 - Hardware Description 4-64 The IO-4 card connects four PRI/Leas ed connections from the MGC rear panel to a Net-4 ISDN/T1-C AS Network Interface Module. Figure 4-35: ISDN /T1-CAS Network connection for four spans • The IO-8 card co nn ects eigh t PRI/Leased co nnections fr om the MGC rear panel to a Net-8 ISDN/T1-CAS Network Inte rface ...
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Polycom DOC2237A - page 137
MGC Hardware and Installation Manual 4-65 • The IO-25 Card connects one A TM co nnection from the MGC rear panel to an A TM-25 Network Interface Modu le. Figure 4-37: One 25MB A TM Network connection • The IO-155 Card connects on e A TM connection from the MGC rear panel to an A TM-155 Network Interface Module. Figure 4-38: One 155 MB fiber opt ...
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Polycom DOC2237A - page 138
Chapter 4 - Hardware Description 4-66 • The LAN-IO Card connects one H.323 connection from t he MGC rear panel to an H.323 Network Interface Module. Figure 4-39: One H.323 Ne twork connection • The Music-IO Card enables importin g audi o music from an external source such as a CD player , tape, radio, etc. It i ncludes a Line-in jack and headph ...
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Polycom DOC2237A - page 139
MGC Hardware and Installation Manual 4-67 Greet and Guide Hardware Kit If you are upgrading the MCU to th e Greet and Guide m ode, yo u need to install the Greet and Guide ha rdware ki t. The Greet and Guide hardware kit includes the following: • Audio Message daughter card (not necessary if Audio+ card i s installed) – a spe cial daughter card ...
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Polycom DOC2237A - page 140
Chapter 4 - Hardware Description 4-68 Inst alling the Audio Message Daught er Card on the st andard Audio Module 1. Unscrew the screws on the front pane l of the MGC unit th at secure the Functional Module. 2. Unlatch the top an d bottom latc hes by pressing up an d away the top latch and down and away the bo ttom latch. 3. Use the p lastic latc he ...
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Polycom DOC2237A - page 141
MGC Hardware and Installation Manual 4-69 6. Slide in the Audio modu le. 7. Push the Audio module firmly into th e backplane, making sure it is properly seated in it s slot. 8. T ighten the screws on the front pa nel of the MGC unit to secure the Audio module. Att aching the Music I/O Card to the Audio Module The Music I/O card is used to attach an ...
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Polycom DOC2237A - page 142
Chapter 4 - Hardware Description 4-70 2. T ighten the screws on the rear panel of the MGC unit to secure the Music I/O card. Enabling the Audio Message Daughter Card and Music I/O Card in the MCU Sof tware Once the Audio Message daughter card an d the Music I/O card are i nstalled, the system automatically identifi es th em. Howeve r , if you are u ...
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Polycom DOC2237A - page 143
MGC Hardware and Installation Manual 4-71 1. Select Edi t "system.cfg" from the MCU Utils sub-menu. The SysCon fig dialog box opens. ...
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Polycom DOC2237A - page 144
Chapter 4 - Hardware Description 4-72 2. Double-clic k on the GREET_AND_GUIDE line in the Section box. The Greet and Guide hardwa re items ap pea r in the Item = V alue bo x. These values are set a cco rding to the Hardware installed in the syste m. ...
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Polycom DOC2237A - page 145
5-1 5 System Maintenance The MGC is designed with ease of ma intenance in mind. Most compo nen ts are hot swappable and are accessi ble dire ctly via the fro nt panel or the rea r panel. Each module includes LED indic ators, which reflect the sta te of the module. The LEDs are located on the front panel of the MGC. All external connectors are l oca ...
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Polycom DOC2237A - page 146
Chapter 5 - System Maintenance 5-2 Controls and Indicators MGC Unit Front Panel The front panel of the MGC unit contai ns a number of co ntrols, co mponents, and indicators for usin g the MGC system. Figure 5-1 an d Figure 5-2 show the front panel of the MG C-50 and MGC- 100 and all their elements. Figure 5- 1: MGC-100 f ront pan el Power Supply Mo ...
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Polycom DOC2237A - page 147
MGC Hardware and Installation Manual 5-3 Figure 5-2: MGC-50 front pa nel LED Indicators The following LEDs appear on th e fr ont panel: • 8 LEDs on the Main Control Module • 3 LEDs on each Funct ional Module except for the Network Int erface Module which contains additional L ED for each PRI sp an connected to the system • 2 LEDs for each of ...
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Polycom DOC2237A - page 148
Chapter 5 - System Maintenance 5-4 • 7 LEDs on Net-E1/Net-T1 ISDN Net work Interface Module, Net-4 ISDN Network Interface Module, A T M Netwo rk In terface Module and H.323 Network Interface Modul e • 5 LEDs on NET -2 ISDN Network In terface Module • 1 1 LEDs on NET -8 ISDN Network Int erface Module The system uses these LEDs to indicat e ope ...
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Polycom DOC2237A - page 149
MGC Hardware and Installation Manual 5-5 Functional Modules STBY FA I L ACTIVE Green Red Y ellow On during norma l operation (refer to T able 5-2) On when a fa ilure has o ccurred (refer to T able 5-2) On when the module is handling a conference (refer to T able 5-2) Net-E1/Net-T1 ISDN, A TM and H.323 Network Interface Module (additional LEDs) LINE ...
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Polycom DOC2237A - page 150
Chapter 5 - System Maintenance 5-6 The three Functio nal Module LEDs functi on a s a group. Each state of the Functional Mo dule and its associated LED array is described i n T able 5-2. The (IDLE, ACTIVE, F AILURE, and P A R TIAL F AILURE) states are the operational modes of the Functional Module. The (RE SET , W AITING FOR MCMS and LOADING SOFTW ...
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Polycom DOC2237A - page 151
MGC Hardware and Installation Manual 5-7 MGC Unit Rear Panel The rear panel of the M GC-10 0 and MGC- 50 contains a numb er of controls for using the MGC uni t. Figure 5-3 AND Fi gure 5-4 show th e back panel and labels all ele ments of the MGC-50/100 . Figure 5-3: MGC-100 rear panel controls The main power switch is used during installation and re ...
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Polycom DOC2237A - page 152
Chapter 5 - System Maintenance 5-8 Figure 5-4: MGC-50 rear panel controls The main power switch is used during installati on, and replacement of fans, main control modul e and power suppl y since the functional mo dules are hot swappable. The switch includes an AC fuse. AC Inlet Main Switch Fuse IO Card Slot A Fan RJ45 Connector LAN COM 1 Main Cont ...
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Polycom DOC2237A - page 153
MGC Hardware and Installation Manual 5-9 Corrective Maintenance Corrective main tenance refers to changing or replacing an element of t he system that is fa ulty . The MGC has several compo nents in which prob lems may occur: • Main Cont rol Module • Functional M odules: • Network Interface Modules (ISDN/T1 -CAS, A TM, IP and MPI and/or Seria ...
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Polycom DOC2237A - page 154
Chapter 5 - System Maintenance 5-10 Replacing a Functiona l Module The following procedure is applicable for both the MGC -100 and the MGC- 50. All Functional Modules are hot-swap pa ble and can be replaced with the system running. Use t he following proc edure t o replace a faulty Functional Module: 1. Unscrew the screws on the front pane l of the ...
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Polycom DOC2237A - page 155
MGC Hardware and Installation Manual 5-11 8. Referring to t he labels, reconnect the external connections to the I/O card. Replacing the Fuse Use the follow ing procedure for re placing the fuse in the M GC-50: 1. If the MCU is working, exi t t he MGC Man ager application and t urn off the MCU. Otherwise , skip this step. 2. Switch of f the power i ...
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Polycom DOC2237A - page 156
Chapter 5 - System Maintenance 5-12 2. Pull on the h andle of the Power Supply Mod ule to pull the mo dule out of its slot in the Powerplane. 3. Carefully slide the Power Supply Module out through the front panel . 4. Slide in the replacement Power Su pply Module. 5. Push the Power Supply Module firmly in to the Powerplane ma king sure it is proper ...
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Polycom DOC2237A - page 157
MGC Hardware and Installation Manual 5-13 4. Optiona l. Remove the two jack connectors from the fa n panel to completely remove th e fans from the MCU. 5. Disconnect the AC input (J1) and the 12V/5 V Sense connectors (J2). 6. Disc onnect the +5V an d -5V power cable s using a 9/16” (13 mm) M8 n ut driver . 7. Using a Phillips screwdriver , loosen ...
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Polycom DOC2237A - page 158
Chapter 5 - System Maintenance 5-14 8. From the rear, carefully slide the Powe r Su pply Modu le out through t he front panel and remove. 9. Slide in the replacemen t Power Supply Mod ule from the front pa nel and push it firmly into its place. 10. Tighten the six screws on the front panel of the MGC-50 that secure the Power Supply Module. 1 1. Con ...
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Polycom DOC2237A - page 159
MGC Hardware and Installation Manual 5-15 12. Connect the black power cable to the -5V scre w in the order described i n step 11 and ensure that the nu t is well faste n ed and secu red. 13. Reconnect the AC input (J1) and the 12V/5V Sense connectors (J2). 14. Reposition the fans cover pane l on the re ar panel. Ensure tha t the two fan connectors ...
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Polycom DOC2237A - page 160
Chapter 5 - System Maintenance 5-16 Fan Replacement for the MGC-50 The fans are not hot swappable and ca nnot be replaced with the system running. Fans are located on the rear pan e of the MGC-50. Use the follow ing procedure to replace a fault y fan: 1. Exit the MGC Manager application, turn of f the MCU and unpl ug it from the AC outlet. 2. Using ...
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Polycom DOC2237A - page 161
MGC Hardware and Installation Manual 5-17 5. Unscrew th e four screws on the Fans front panel that secure the fa ulty fan to the fan panel. 6. Remove the fan. 7. Position the replacement fan correctly on the rear pa nel. 8. T ighten the four screws on the Fans front panel that secure the fan. 9. Insert the connector to its plac e in the Fans panel ...
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Polycom DOC2237A - page 162
Chapter 5 - System Maintenance 5-18 10. T ighten the fo ur screws on the fro nt panel of the MGC that secure the Main Control Module. 1 1. Reconnect all internal cables to the Mai n Control Module. 12. Close the cover of t he Main Control Module o n the rear panel of the MGC. 13. Connect t he power cord to the power sou rce and switch ON the ma in ...
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Polycom DOC2237A - page 163
MGC Hardware and Installation Manual 5-19 T roubleshooting The MGC unit provides on-l ine diagnosti cs for quick isolat ion and resolutio n of problems. The card st atus and the MCU's status can be viewed in the Br owser and the S tatus areas of the M GC Manager main window . The full messages regarding the cards stat us can also be viewed in ...
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Polycom DOC2237A - page 164
Chapter 5 - System Maintenance 5-20 ...
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Polycom DOC2237A - page 165
A-1 Appendix A: Interfaces Pin Assignment PRI Port Assignment T able A-1: PRI Port Assignment Pin Signal Name 1 Receive R ing 2 Receive T ip 3 No connection 4 T ransmit Ring 5 T ransmit T ip 6 No connection 7 No connection 8 No connection Pin 8 Pin 1 ...
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Polycom DOC2237A - page 166
Appendix A: Interfaces Pin Assig nment A-2 LAN PIN Assignment Figure A-1: LAN Pin Assignment Alarms Port Pin Assignment Figure A-2: Alarm Port Pin Assignment 1 8 TD+ TD- RD+ RD- Major Major Minor Minor Critical Critical Pin 1 ...
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Polycom DOC2237A - page 167
MGC Hardware and Installation Manual A-3 RS-232 Pin Assignme nt Figure A-3: RS-232 Pin Assignment T able A-1: PRI Port Assignment Pin Description 1 Data Carrier Detect (DCD) 2 Receive Dat a (RXD) 3 Tr a n sm i t D AT A ( T X D ) 4 Data T erminal Ready (DTR) 5 GROUND (GND) 6 Data Set Ready (DSR) 7 Clear to Send (CTS) 8 Ring Indicator (RI) GND DTR Tx ...
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Polycom DOC2237A - page 168
Appendix A: Interfaces Pin Assig nment A-4 Serial Port Connectors Pin out Assignme nt Figure A-4: RS-530 Pin out (DB-25) Figure A-5: RS-449 Pin out (DB-37) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Shield Transmitted Data (A) Received Data (A) Request to Send ( A) Clear to Se nd (A) DCE Ready (A) Signal Ground Clear to Se nd ...
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Polycom DOC2237A - page 169
MGC Hardware and Installation Manual A-5 Figure A-6: V .35 Pin out (M-34 Connector) Figure A-7: RS-366 Pin out (DB-25) A C E H K M P S U W Y AA CC EE HH KK MM B D F J L N R T V X Z BB DD FF JJ LL NN Chassis Ground Request to S end Data Set Ready Data T erminal Ready Unassigned Unassigned T ransmitted Data (A) T ransmitted Data (B) Te r m i n a l T ...
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Polycom DOC2237A - page 170
Appendix A: Interfaces Pin Assig nment A-6 Cables For the MPI-8 Network Interface Module There are three new cables for inte rfac ing with the MPI-8 Network Interfac e Module in DCE. The dif feren ce in the cables is that they have certain pins th at are crossed. 1. Part Number: CON2044A – Adap ter RS-449 (BD37) to V .35 (female) crossed DCE. 2. ...
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