5-17
Cisco 12404 Internet Router Installation and Configuration Guide
OL-11636-01
Chapter 5 Maintaining the Cisco 12404 Internet Router
Removing and Replacing a DC Power Entry Module
Troubleshooting the DC PEM Installation
Refer to
and use the following procedure to troubleshoot the PEM
installation.
Figure 5-9
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 17 Tuesday, November 27, 2007 6:02 PM