5-45
Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 5 Removal and Replacement Procedures
Removing and Replacing the Power Supply
If the LEDs indicate a power problem, see the “Identifying Startup Problems” section on page 4-2.
Installing a PWR-1500-DC Power Supply in a Cisco 7603-S Router
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Follow these steps to install a DC-input power supply:
Step 1 Ensure that the system (earth) ground connection has been made. For ground connection installation
instructions, see the
“System Ground Connection” section on page 3-19.
Step 2 Verify that power is off to the DC circuit connected to the DC PEM for the power supply you are
installing.
Step 3 Grasp the power supply handle with one hand. Place your other hand underneath the power supply, as
shown in
Figure 5-50. Slide the power supply into the power supply bay. Make sure that the power
supply is fully seated in the bay.
Figure 5-50 Handling the Power Supply
Step 4 Tighten the power supply captive installation screws (Figure 5-51).
63032
IN
P
U
T
O
K
F
A
N
O
K
O
U
TP
U
T
F
A
IL
IN
P
U
T
O
K
F
A
N
OK
O
U
TP
U
T
F
A
IL
Power Supply 2
(redundant)
Power
Supply 1