Cisco XR 12404 - Manual (Page 38)

Chapter 1 Cisco XR 12404 Router Overview
Power Entry Modules
1-24
Cisco XR 12404 Router Installation Guide
OL-13830-02
AC PEMs
Each AC PEM converts 200 to 240 VAC into -48 VDC, which is distributed
through the chassis backplane to all cards, RPs, and the fan assembly.
Figure 1-12 identifies the components of an AC power supply.
Figure 1-12 AC PEM Components
The status LEDs on the AC PEM provide information about the current
operational status of the power supply.
Table 1-9 summarizes the function of these
indicators.
1 AC PEM finger grips 4 Power cord receptacle
2 On/Off switch 5 Status LEDs
3 Bail latch 6 Captive screws
INPUT
OK OUTPUT
FAIL
INPUT
100-240V
12A
50/80HZ OUTPUT
OK
66289
4 5 6
1 2 3
Table 1-9 AC-Input PEM LED Indicators
LED Label Color Function
OUTPUT OK Green PEM is powered on and operating normally.
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