Manual

5-27
Cisco XR 12404 Router Installation Guide
OL-13830-02
Chapter 5 Maintaining the Router
Removing and Replacing a DC PDU
Troubleshooting the DC PDU Installation
Refer to Figure 5-17 and use the following procedure to troubleshoot the PDU
installation.
Figure 5-17 DC PDU, PEM, and Status LEDs
1 DC PDU
2
DC PEM
3 Input OK
(Green)
On DC PEM is operating normally in a power-on
co
ndition
4 Output OK
(Green)
On DC power source is present and within
speci
fied limit
5 Output Fail
(Amber)
On PEM is operating in a fault condition and
shut
down 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 27 Monday, March 16, 2009 2:47 PM