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Cisco 7600 Series Router Installation Guide
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Chapter 5 Removal and Replacement Procedures
Removing and Replacing the PEM
Figure 5-107
Cisco 7603-S Router—Power Supply Location
Figure 5-108
Cisco 7606 Router—Power Supply Location
Required Tools
You need a flat-blade or number 2 Phillips-head screwdriver to perform these procedures.
Removing the AC-Input PEM
Follow these steps to remove an AC-input PEM:
Step 1
Turn the power switch to the Off (0) position on the PEM you are removing. (see
Figure 5-105
.)
Step 2
Disconnect the power cord from the power source. Do not touch the metal prongs on the power cord
when it is still connected to the PEM.
63031
INPUT
OK
FAN
OK
OUTPUT
FAIL
INPUT
OK
FAN
OK
OUTPUT
FAIL
Power supply 2
(redundant)
Power supply 1
63893
IN
P
U
T
O
K
FA
N
O
K
O
U
T
P
U
T
F
A
IL
Cisco Systems Inc.
IN
P
U
T
O
K
FA
N
O
K
O
U
T
P
U
T
FA
IL
Cisco Systems Inc.
Power supply 2
(redundant)
Power supply 1