NEC SV8500 Operation And Maintenance Manual - page 622
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CHAPTER 5
Operation Procedure for System with PIR
2.3.4
PWR SW Card Replacement Procedure
PWR SW (PH-PW14) card is located in slot 00 or 01 of TSWR. This card provides operating power for
circuit cards that are accommodated in TSWR.
[Start]
STEP 1
Turn OFF (downward) SW key on the PWR SW card to be replaced.
•
P-ON lamp goes OFF on the PWR SW card.
•
ALM lamp lights red on the PWR SW card.STEP 3
STEP 2
Extract the PWR SW card from TSWR.
STEP 3
Turn OFF (downward) SW key on the new PWR SW card.
STEP 4
Insert the new PWR SW card to the slot of TSWR.
•
P-ON lamp remains OFF on the inserted PWR SW card.
•
ALM lamp lights red on the inserted PWR SW card.
STEP 5
Turn ON (upward) SW key on the PWR SW card.
•
P-ON lamp lights green on the PWR SW card.
•
ALM lamp goes OFF on the PWR SW card.
[End]
Improper key operations may result in a system down. Operate the key with extreme care.
WARNING