Table of Contents
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Physical and Functional Description of Router
Each AC PEM converts 200 to 240 VAC into -48 VDC, which is distributed
through the chassis backplane to all cards, RPs, and the blower module.
Figure 1-4
Figure 1-4
1
4
1
2
Cisco XR 12410 and Cisco XR 12810 Router Installation Guide
1-6
identifies the components of an AC PEM.
AC PEM Components
PW R OK
FA UL T
TE M P
IL IM
2
PWR OK
FAUL T
TEMP
ILIM
Status indicators 3
4
Handle
3
0
Ejector lever
Power On/Off switch (shown in the ON/1 position)
Chapter 1
Product Overview
OL-17441-01
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Table of Contents
Troubleshooting
