Cisco XR 12404 - Manual (Page 39)

1-25
Cisco XR 12404 Router Installation Guide
OL-13830-02
Chapter 1 Cisco XR 12404 Router Overview
Power Entry Modules
DC PEMs
Each DC PEM operates from a nominal source DC voltage of -48 to -60 VDC and
requires a dedicated
35-Amp service.
Figure 1-13 identifies the components of a DC power supply.
Figure 1-13 DC PEM and PDU Components
Input OK Green The AC power source is present and operating
within the specified limit.
Output Fail Amber Indicates a failure in the PEM.
Table 1-9 AC-Input PEM LED Indicators (continued)
LED Label Color Function
1 DC PDU 5 On/Off switch
2 DC PEM 6 PDU captive screws
3 PEM captive screws 7 PDU terminal block
4 Status LEDs
INPUT
– 48/60V
35A
66295
INPUT
OK OUTPUT
FAIL OUTPUT
OK
5
6
4
3
7
1 2 3
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