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Chapter 5 Maintaining the Router
Removing and Replacing a DC PDU
5-28
Cisco XR 12404 Router Installation Guide
OL-13830-02
Step 1
If the Input OK and Output OK LEDs are off, or if the Output Fail LED is on,
check that the:
•
PEM is firmly seated in the bay and the captive screws are tightened securely.
•
DC power source circuit breakers are switched on.
•
DC power cables are securely attached to the PDU terminal block.
•
Power switch is set to the on (1) position.
Step 2
If the problem still exists after checking the items in Step 1, replace the PEM.
Step 3
If replacing the PEM does not correct the problem, contact a Cisco service
representative for assistance.
todd.book Page 28 Monday, March 16, 2009 2:47 PM