Polycom DOC2238A Manual de usuario Pagina 109
- Pagina / 160
- Tabla de contenidos
- SOLUCIÓN DE PROBLEMAS
- MARCADORES
Valorado. / 5. Basado en revisión del cliente
MGC+ Hardware and Installation Manual
4-29
When the MCU is set as a DCE
The serial data stream flows from the endpoint (DTE) through the serial
connector entering the MPI box by way of the 37-pin connector. The data is
then directed from the 37-pin connector to the 160-pin connector connected to
the MCU (DCE). In the MCU the data stream is converted to a TDM format,
and then sent to the backplane information bus. Since this is a full duplex
communication, the data is also bi-directional.
Figure 4-18, “MPI Data Flow when MCU is DCE” shows the data flow on a
serial connection - the endpoints are connected directly to the MPI Box.
Figure 4-18: MPI Data Flow when MCU is DCE
The network clock is enabled only when the span coming from the DCE to the
MCU is active (i.e. handles a call). Therefore, the spans defined as Primary and
Backup clock must be connected first when starting a conference and
disconnected last when terminating the conference.
Endpoint (DTE)
Endpoint (DTE)
MCU (DCE)
Endpoint (DTE)
37- Pin
Connector
Endpoint (DTE)
Serial
Connection
Serial
Connection
Serial
Connection
Serial
Connection
37- Pin
Connector
37- Pin
Connector
37-Pin
Connector
MPI Box
160-Pin Cable
- Polycom MGC+50/ 1
- Trademark Information 2
- Patent Information 2
- Table of Contents 3
- Before You Begin 9
- Chapter 1 - Before You Begin 10
- MGC+ Unit Main Features 11
- MGC+50/MGC+100 Specifications 12
- • Conference 14
- • Channel 14
- MGC+ Control Unit 15
- Scope of Manual 16
- Conventions 17
- List of Abbreviations 18
- Hardware Installation 21
- MGC+100 Hardware Installation 22
- System Safety 22
- Rack Mount Safety Precautions 23
- — ESD: +8 kV 24
- Foam Block 25
- Wood Packing Case 25
- Screw mounting 27
- 19" Attachment Bar 28
- Item #3 29
- Item #4 30
- Panel from the MGC+ Unit 34
- Table 2-2 on page 2-12 36
- ISDN network 40
- Mounting 42
- MPI-8 MPI-8 45
- MGC+50 Hardware Installation 46
- Mounting the MGC+50 on a Rack 48
- and T1-CAS network: 55
- MPI Box 57
- LED is flashing 60
- Rescue Disk (pSOS) 61
- • LAN.CFG File 63
- • Cross over cable 63
- • Keyboard and mouse 63
- , click the 66
- Properties button 66
- Boot File 70
- Clocking 72
- System Architecture 73
- Information Flow 77
- MGC+ Manager Interface 79
- Power Supply Flow 79
- Hardware Description 81
- MGC+100 Components Location 82
- MGC+50 Components Location 85
- ReadiManager IAM 87
- Control Unit 88
- Control Bus 91
- Information Highway 92
- Powerplane 92
- Power Supply Module 93
- Power Module in the MGC+50 94
- Power Supply Cord 94
- Circuit Breaker (AC Power) 94
- Alarms Port 95
- Functional Modules 96
- • Audio+24/48 - 24/ 97
- • Audio+48/96 - 48/ 97
- • Audio+12/24 - 12/ 97
- • T.120-12 standard 98
- • T.120-24 card - 24 98
- Backplane 102
- IP+ Network Interface Module 103
- Module Port Capacity 104
- T1 ISDN line 108
- (23 channels) 108
- MUX+ Module 111
- MUX+ Card Properties 112
- MUX+ Port Capacity 113
- MUX+ Participant Move Options 114
- MUX+ Resource Report 115
- Audio+ Module 117
- Audio+ Module Architecture 118
- Audio+ Port Capacities 118
- Video+ Module 120
- Video+ Module Architecture 121
- Data Module 122
- Input/Output (I/O) Boards 123
- Audio+ Music I/O Card 127
- Music I/O card 128
- MUX+ Video Slides 131
- System Maintenance 133
- Controls and Indicators 134
- MGC+ Unit Rear Panel 139
- AC Inlet 140
- Main Switch 140
- Corrective Maintenance 141
- Replacing a Functional Module 142
- • Compact Flash 128MB Disk 150
- Product warranty will 151
- Verifying the Dongle 152
- Shutting Down the MGC+ 50/100 153
- Troubleshooting 154
- Appendix A: Interfaces Pin 155
- Assignment 155
- LAN PIN Assignment 156
- Alarms Port Pin Assignment 156
- RS-232 Pin Assignment 157
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