Chapter 5 Maintaining the Router
Removing and Replacing a DC PDU
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.
| Cisco XR 12404 Router Installation Guide |
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