Nortel CallPilot User Manual page 82

82 Chapter 8 Replacing basic chassis components
Requirements
Before you hot-swap a power supply, gather the following tools:
•
•
•
•
When to hot-swap the power supply
A green LED indicates that the power supply is working properly. If the
green LED on the power supply module is unlit or red, the module is failing
or has failed. Other indicators of failure are the alarm that sounds and the
power supply module LED on the status display that turns red.
To hot-swap a power supply
Step
1
Copyright © 2007, Nortel Networks
.
one flat-blade screwdriver
one Phillips screwdriver
one antistatic wrist strap
the replacement power supply
Action
DANGER
Risk of electric shock
High current inside the chassis can cause severe injury.
Loosen the thumbscrews at the top right and left of the failed power
supply module (see A in the following diagram).
If needed, use a flat-blade screwdriver. The thumbscrew must rotate
freely and not contact the chassis threads.
Nortel CallPilot
1002rp Server Maintenance and Diagnostics
NN44200-701 01.02 Standard
5.0 4 April 2007
Nortel Networks Confidential