Polycom DOC2238A 사용자 설명서
MGC+ Hardware and Installation Manual
5-9
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:
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
Before replacing parts:
•
To ensure a part needs replacing, complete the troubleshooting
procedures.
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.
the system.
Warning!
•
All maintenance tasks are to be performed by qualified, authorized
personnel.
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.
both the MGC+100 and the MGC+50.