Corrective Maintenance - Polycom DOC2237A Hardware 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:
• Main Control Module
Functional Modules:
•
Network Interface Modules (ISDN/T1-CAS, ATM, IP and MPI and/or
•
Serial)
MUX and MUX+ Modules
•
Audio/Audio+ Modules
•
Video/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.
MGC Hardware and Installation Manual
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