Cisco XR 12410 - Manual (Page 20)

Chapter 1 Product Overview
Physical and Functional Description of Router
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Cisco XR 12410 and Cisco XR 12810 Router Installation Guide
OL-17441-01
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 identifies the components of an AC PEM.
Figure 1-4 AC PEM Components
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