Router Installation Guide

Chapter 5 Maintaining the Router
Removing and Replacing a DC PDU
5-40
Cisco XR 12406 Router Installation Guide
OL-13831-01
Step 11 Power on the circuit breakers assigned to the PEMs.
Step 12 Power on the PEMs.
The Output Power OK and Input Power OK indicators on the power supplies
should be on. If the indicators do are not on, see the “Troubleshooting the DC
Power Supply Installation” section on page 5-30.
Troubleshooting the DC PDU Installation
Refer to Figure 5-26 and use the following procedure to troubleshoot the DC PDU
installation.
Figure 5-26 DC Power Entry Module Components
1 DC PEM 4 Captive screws/release levers
2 Handle 5 Cooling fan
3 Power On/Off switch 6 AC input/DC output/miswire status indicators
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INPUT
OK
MISWIRE
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