Cisco XR 12410 Installation Manual page 188

Removing and Replacing AC and DC Power Subsystem Components
Use the following procedure to remove and replace a DC PEM.
Set the power switch to the off (0) position.
Step 1
Power off the circuit breaker assigned to the PEM you are removing.
Step 2
To ensure that power remains off while you are performing this procedure, tape
Warning
the circuit breaker switch in the off (0) position.
Remove the PEM from the chassis
Step 3
a.
b.
c.
The DC PEM weighs approximately 14 pounds (6.35 kg). Use two hands to
Warning
remove the power supply.
Figure 5-15
Cisco XR 12410 Router Installation Guide
5-24
Loosen the captive screw on the ejector lever.
Pivot the lever down to eject the PEM from its bay.
Slide the PEM out of its bay while supporting it with your other hand.
Removing a DC PEM
Chapter 5
(Figure 5-15):
Maintaining the Router
OL-13832-01