Pwr Sw Card Replacement Procedure - NEC Univerge SV8500 Operation And Maintenance Manual

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.
Improper key operations may result in a system down. Operate the key with extreme care.
WARNING
[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]
CHAPTER 5 Operation Procedure for System with PIR
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