5-13
Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 5 Removal and Replacement Procedures
Removing and Replacing the Power Supply
Figure 5-13
Cisco 7603-S Router—Handling an DC-Input Power Supply
Step 4
If the power supply bay is to remain empty, install a blank power supply filler plate (Cisco part number
800-28728-01 for the Cisco 7603-S router) over the opening and secure it with the captive installation
screws.
Removing PWR-2700-DC/4 Power Supply from a Cisco 7604 Router
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Voltage is present on the backplane when the system is operating. To reduce risk of an electric shock,
keep hands and fingers out of the power supply bays and backplane areas.
Follow these steps to remove a DC-input power supply:
Step 1
Verify that power is off to the DC circuit connected to the DC-input power supply you are removing.
Step 2
Remove the four screws securing the terminal block cover, and slide the cover off the terminal block
(
Figure 5-14
).
63032
INPUT
OK
FAN
OK
OUTPUT
FAIL
INPUT
OK
FAN
OK
OUTPUT
FAIL
Power Supply 2
(redundant)
Power
Supply 1