5-12
Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 5 Removal and Replacement Procedures
Removing and Replacing the Power Supply
Step 1
Verify that power is off to the DC circuit connected to the DC PEM for the power supply you are
removing (
Figure 5-11
).
Figure 5-11
PEM Locations
Step 2
Loosen the captive installation screws on the power supply (
Figure 5-12
).
Figure 5-12
Cisco 7603-S Router—Power Supply Captive Installation Screws
Step 3
Grasp the power supply handle, as shown in
Figure 5-13
, and slide the power supply completely out of
the chassis.
191810
FAN
STATUS
-48 TO -60V
50A MAX
PEM-DC
-48 TO -6
0V
50A MAX
PEM-DC
FAN-MOD-3SHS
1
2
3
PEM 1
PEM 2
A/L
ST
ATUS
ETHERNET
SERVICES MO
DULE
7600-ES20-10G3CXL
CLASS 1 LASER
A/L
1
0
A/L
ST
ATUS
ETHERNET
SERVICES MODULE
7600-ES20-10G3CXL
CLASS 1 LASER
A/L
1
0
Slots 1-3
(top to bottom)
Fan assembly
Supervisor
Engine
Line Cards
PEM 1
PEM 2
191812
PWR-1500-DC
INPUT OK
ALL FASTENERS MUST BE FULL
Y ENGA
GED\
PRIOR
TO OPERA
TING OF PO
WER SUPPY
FAN OK
OUTPUT F
AIL
Captive installation screws
Status LEDs