NEC SV8500 Operation And Maintenance Manual - page 690
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CHAPTER 5
Operation Procedure for System with PIR
4-IMG
Replace STBY-side related circuit cards
(CPU, GT, TSW, MUX, EMA) with a spare,
and check.
Replace the circuit cards (CPU, GT, TSW,
MUX, EMA) individually by referring to the
following:
•
CPU Card Replacement Procedure
•
EMA Card Replacement Procedure
•
•
•
(Time Division Switch) Circuit
•
Place the circuit cards (CPU, GT, TSW, MUX)
into ACT mode by executing CPU changeover.
Check to see if a station-to-station connection
can be set up to identify the circuit card
responsible for the fault.
When a fault is not indicated, set
the faulty systems to STBY side
in advance by executing CPU
changeover. Refer to
Chapter 2.
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
START
END