Polycom DOC2237A manual System Maintenance

Table of Contents

Video Module Architecture . . . . . . . . . . . . . . . . . . . . . . . . 4-59

Video+ Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-60

Video+ Module Architecture . . . . . . . . . . . . . . . . . . . . . . . 4-61

Data Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-62

Data Module Architecture . . . . . . . . . . . . . . . . . . . . . . . . . 4-62

Input/Output Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-63

Greet and Guide Hardware Kit . . . . . . . . . . . . . . . . . . . . . . . . . 4-67

Installing the Audio Message Daughter Card on the

standard Audio Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-68

Attaching the Music I/O Card to the Audio Module . . . . . 4-69

Enabling the Audio Message Daughter Card and Music I/O

Card in the MCU Software . . . . . . . . . . . . . . . . . . . . . . . . . 4-70

System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Controls and Indicators	. 5-2
MGC Unit Front Panel	. 5-2
LED Indicators	. 5-3
MGC Unit Rear Panel	. 5-7
Corrective Maintenance	. 5-9
Replacing a Functional Module	5-10
Replacing the I/O Cards	5-10
Replacing the Fuse	5-11
Replacing the Power Supply Modules for the MGC-100
(including the NEBS Unit)	5-11
Replacing the Power Supply Module for the MGC-50	5-12
Fan Replacement for the MGC-100	5-15
Fan Replacement for the MGC-50	5-16
Replacing the Main Control Module	5-17
Troubleshooting	5-19

Appendix A: Interfaces Pin Assignment . . . . . . . . . . . . . . . .A-1

PRI Port Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 LAN PIN Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 Alarms Port Pin Assignment . . . . . . . . . . . . . . . . . . . . . . . . A-2RS-232 Pin Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3 Serial Port Connectors Pin out Assignment . . . . . . . . . . . . . A-4

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