Cisco XR 12410 - Manual (Page 191)

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Cisco XR 12410 and Cisco XR 12810 Router Installation Guide
OL-17441-01
Chapter 5 Maintaining the Router
Removing and Replacing AC and DC Power Subsystem Components
Removing and Replacing an AC PDU
Use the following procedure to remove and replace an AC PDU.
Step 1 Set the power switch to the off (0) position.
Step 2 Unplug the power supply cord from its AC outlet.
Step 3 Power off the circuit breaker assigned to the PDU you are removing.
Warning To ensure that power remains off while you are performing this procedure, tape
the circuit breaker switch in the off (0) position.
Step 4 Eject the PEM from the chassis ( Figure 5-10 ):
a. Loosen the captive screw on the ejector lever and pivot the lever down to eject
the PEM from its bay.
b. Pull out the power supply halfway from its bay.
Note It is not necessary to completely remove the power supply. You can leave
the power supply in its bay while you replace the AC PDU.
Figure 5-10 Ejecting an AC Power Supply
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