Nortel Networks Passport 8002PS - Manual (Page 10)

6
Removing a Power Supply
Required tools: Phillips screwdriver, 7/16-inch wrench
In a chassis with a redundant power supply configuration, you can replace or install a power supply
without powering down the chassis.
1. Turn off the power switch on the power
supply you are replacing. 2. Disable the incoming power from the DC
input power source. You may need to switch
a circuit breaker or turn off the DC input
power source.
9430FA
Warning: Make sure the DC power source
is off or disconnected at the remote end
before you remove the power supply.
3. Disconnect the positive and negative
terminal leads from the DC input power
source. 4. Disconnect the grounding cable from the
system or rack ground of your DC input
power source.