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P olycom MGC 50/MGC 100 Hardware & Installation Guide Ve r s i o n 9.0.4 | August 2010 | DOC2237A.
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.
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 .
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 .
MGC Hardware and Installation Guide iii Fuse/Circuit Breaker (AC Power) . . . . . . . . . . . . . . . . . . . . . . . 4-22 Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22 Alarms Port . . . .
T able of Co ntent s iv Video Module Architecture . . . . . . . . . . . . . . . . . . . . . . . . 4-59 Video+ Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-60 Video+ Module Architecture . . . . . . . . . . . . . . .
MGC Hardware and Installation Guide v Cables For the MPI-8 Network Interface Module . . . . . . . . A -6.
T able of Co ntent s vi.
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.
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.
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 .
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.
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.
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 (Sched.
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.
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.
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.
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.
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.
Chapter 1 - Before Y ou Begin 1-12.
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.
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.
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.
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 .
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.
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).
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.
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.
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 co.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 connec.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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 .
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 .
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 .
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.
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.
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.
Chapter 2 - Hardware Installation 2-42.
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 .
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 ri.
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.
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.
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 .
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 Etherne.
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.
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.
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.
Chapter 3 - System Architec ture 3-10.
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 l.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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 .
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.
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-co.
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.
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.
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.
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.
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”.
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.
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 .
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.
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).
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.
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 .
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 ).
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 Ca.
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.
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.
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 H.
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.
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 .
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.
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 .
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 .
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.
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.
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).
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.
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.
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).
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.
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.
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 FLAS.
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.
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).
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.
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 no.
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.
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.
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 .
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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..
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.
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.
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.
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 i.
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.
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.
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.
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 .
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.
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 .
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.
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.
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.
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 .
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.
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).
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.
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.
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.
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 .
Chapter 5 - System Maintenance 5-20.
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 conn.
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 Mino.
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.
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.
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 C.
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.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Polycom DOC2237A c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Polycom DOC2237A - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Polycom DOC2237A, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Polycom DOC2237A va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Polycom DOC2237A, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Polycom DOC2237A.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Polycom DOC2237A. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Polycom DOC2237A ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
