Router Installation Guide
Chapter 1 Cisco XR 12410 Router Overview
Physical and Functional Description of Router
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Cisco XR 12410 Router Installation Guide
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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)
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W
R
O
K
F
A
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M
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IL
IM
PWR OK
FAULT
TEMP
ILIM
93040
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