Polycom DOC2238A manual System Maintenance

Models: DOC2238A

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Table of Contents

Audio+ Module Architecture . . . . . . . . . . . . . . . . . . . . . . . 4-38 Audio+ Port Capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-38 Video+ Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40 Video+ Module Architecture . . . . . . . . . . . . . . . . . . . . . . . 4-41 Data Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-42 Data Module Architecture . . . . . . . . . . . . . . . . . . . . . . . . . 4-42 Input/Output (I/O) Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-43 Rear I/O Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-43 Types of I/O cards on functional Modules . . . . . . . . . . . . . 4-44 Audio+ Music I/O Card . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-47 Attaching the Music I/O Card to the Audio+ Module . . . . 4-47

Enabling the Audio+ Music I/O Card in the MCU

Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-49 MUX+ Video Slides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-51

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 of Functional Modules

. . . . . 5-10

Replacing the Power Supply Modules on the MGC+100

. . . . 5-11

Replacing the Power Supply Module on the MGC+50 .

. . . . . 5-11

Fan Replacement for the MGC+100

. . . . . 5-15

Fan Replacement for the MGC+50

. . . . . 5-16

Replacing the Main Control Module

. . . . . 5-17

Replacing the Main Control Module rear I/O Panel

. . . . . 5-18

Replacing Compact Flash Accessories

. . . . . 5-18

Replacing the Dongle

. . . . . 5-19

Verifying the Dongle

. . . . . 5-20

Shutting Down the MGC+ 50/100

. . . . . 5-21

Troubleshooting

. . . . . 5-22

iv

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Polycom DOC2238A manual System Maintenance