NEC Univerge SV8500 Operation And Maintenance Manual page 128

STEP 14 Make sure that the newly replaced EXB card is operating normally in the system.
• "PWR" lamp lights green on the EXB card.
If the lamp does not light green, make sure that the EXB card is securely inserted into the main unit.
Note:
STEP 15 Make test calls to see that newly replaced EXB card is operating normally.
• Place test calls using stations / trunks accommodated in PIR.
• Confirm whether any system messages related fault are output or not. Use DFTD from PCPro.
If any fault is found, check the following:
Note:
- EXB card is securely inserted into the main unit?
- Bus cable is securely inserted into the connector?
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CHAPTER 2
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Operations of SV8500 Server