Polycom DOC2238A manual Corrective Maintenance

Models: DOC2238A

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MGC+ Hardware and Installation Manual

Corrective Maintenance

Corrective maintenance refers to changing or replacing an element of the system that is faulty. The MGC+ has several components in which problems may occur:

ReadiManager IAM

Control Unit (CU)

Function Modules:

Network Interface Modules (ISDN/T1-CAS, IP and MPI and/or Serial)

MUX+ Modules

Audio+ Modules

Video+ Modules

Data Modules

I/O Cards

Power Supply Module

Fans

Warning!

All maintenance tasks are to be performed by qualified, authorized personnel.

Use only replacement parts supplied by your dealer.

Follow all procedures. Do not skip any steps.

Unless specified differently, the procedures described here are the same for both the MGC+100 and the MGC+50.

Before replacing parts:

To ensure a part needs replacing, complete the troubleshooting procedures.

Identify exactly which part needs replacing.

Make sure you have the correct replacement part on hand.

Make sure you are using proper ESD equipment, to prevent damage to the system.

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Page 141
Image 141
Polycom DOC2238A manual Corrective Maintenance