Removing and replacing an ac pdu – Cisco XR 12406 User Manual
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Cisco XR 12406 Router Installation Guide
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Chapter 5 Maintaining the Router
Removing and Replacing an AC PDU
Removing and Replacing an AC PDU
The AC PDU does not support online insertion and removal (OIR) and cannot be
replaced while the system is operating. You must power off the router before
replacing the PDU.
Caution
To remove and replace the AC PDU, the system must be powered off. Notify the
network administrator and other appropriate personnel that all routing traffic
stops while the PDU is replaced.
Use the following procedure to remove and replace an AC PDU.
Step 1
Power off both PEMs by setting the power switches to the off (0) position.
Step 2
Unplug the power supply cords from their AC outlets.
Step 3
Power off the circuit breakers assigned to the AC outlets.