Cisco GSR12/60 - 12012 Router -AnyLAN, SONET/SDH Installation And Configuration Manual page 253

Turning the power supply switch to the STANDBY position also releases
Note
a latch that secures the power supply in the power supply bay.
Disconnect the AC power cord from the source AC receptacle. (See
Step 3
Figure 7-6b.)
Release the spring clip on the power supply faceplate. (See Figure 7-6c.)
Step 4
Disconnect the AC power cord from the power supply AC receptacle. (See
Step 5
Figure 7-6d.)
Loosen the captive screw on the power supply faceplate. (See Figure 7-6e.)
Step 6
Figure 7-6 Disconnecting an AC-Input Power Supply
d
Disconnect
power cord from
source AC
Removing and Replacing an AC-Input Power Supply
b Release
spring clip
c
Disconnect
power cord
AC
OK
OUTPUT
FAIL
a
Turn power
switch to
standby
position ( )
e
Loosen
captive
screw
INPUT:
~
200 - 240V
10 A
50/60 HZ
2000 W
Maintaining the Cisco 12012 7-13