Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 193

Chapter 5 Removal and Replacement Procedures
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Installing a WS-CDC-2500W Power Supply in a Cisco 7609 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:
Ensure that the system (earth) ground connection has been made. For ground connection installation
Step 1
instructions, see the
Verify that power is off to the DC circuit that is connected to the power supply you are installing.
Step 2
Use both hands to install and remove power supplies. Each DC-input power supply weighs between 22
Caution
pounds (9.9 kg) and 33 pounds (15 kg).
Step 3 Grasp the power supply handle with one hand, and place your other hand underneath the power supply.
Slide the power supply into the power supply bay. Make sure that the power supply is fully seated in the
bay
Figure 5-69
Tighten the power supply captive installation screws. (See
Step 4
OL-4503-26
"System Ground Connection" section on page
(Figure 5-69).
Handling a DC-Input Power Supply
I
0
INPU T
FAN
OUT PUT
OK
OK
FAIL
Removing and Replacing the Power Supply
3-19.
Figure 5-70.)
Cisco 7600 Series Router Installation Guide
5-65