Cisco XR 12410 - Manual (Page 187)

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Cisco XR 12410 and Cisco XR 12810 Router Installation Guide
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Chapter 5 Maintaining the Router
Removing and Replacing AC and DC Power Subsystem Components
Use the following procedure to remove and replace an AC PEM.
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 that AC outlet.
Step 4 Remove the PEM from the chassis ( Figure 5-8 ):
d. Loosen the captive screw on the ejector lever.
e. Pivot the lever down to eject the PEM from its bay.
f. Slide the power supply out of its bay while supporting it with your other hand.
Warning The power supply weighs approximately 20 pounds (9 kg). Use two hands to
remove the power supply.
Figure 5-8 Removing an AC Power Supply
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