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
INPUT
OK
FAN
OK
OUTPUT
FAIL
INPUT
OK
FAN
OK
OUTPUT
FAIL
Power Supply 2
(redundant)
Power
Supply 1