Chapter 4 Troubleshooting the Installation
Troubleshooting the Power Subsystem
4-6
Cisco XR 12410 and Cisco XR 12810 Router Installation Guide
OL-17441-01
Figure 4-1
identifies the components of an AC PEM.
Figure 4-1
AC PEM Components
Use the following procedure to troubleshoot the AC power supply if it is not
operating properly.
Step 1
Make sure the power supply is seated properly.
•
Eject and reseat the PEM. Check that:
–
The captive screw on the ejector lever is tightened securely.
–
The power switch is set to the on (1) position.
1
Status indicators
3
Ejector lever
2
Handle
4
Power On/Off switch (shown in the ON/1 position)
0
PWR OK
FAULT
TEMP
ILIM
PWR OK
FAULT
TEMP
ILIM
93040
4
2
1
3