Cisco XR 12404 - Manual (Page 144)

Chapter 5 Maintaining the Router
Removing and Replacing a DC Power Entry Module
5-20
Cisco XR 12404 Router Installation Guide
OL-13830-02
Troubleshooting the DC PEM Installation
Refer to Figure 5-12 and use the following procedure to troubleshoot the PEM
installation.
Figure 5-12 DC PEM Status LEDs
1 DC PDU
2 DC PEM
3 Input OK
(Green) On DC PEM is operating normally in a power-on
condition
4 Output OK
(Green) On DC power source is present and within
specified limit
5 Output Fail
(Amber) On PEM is operating in a fault condition and
shutdown has occurred
INPUT
– 48/60V
35A
66399
INPUT
OK OUTPUT
FAIL OUTPUT
OK
INPUT
OK
OUTPUT
FAIL
OUTPUT
OK
3
1 2
4 5
todd.book Page 20 Monday, March 16, 2009 2:47 PM