Network Router User Manual

Chapter 5 Removal and Replacement Procedures
Removing and Replacing the Power Supply
5-8
Cisco 7609 Internet Router Installation Guide
OL-5079-04
Figure 5-4 DC-Input Wire Connections on the Terminal Block
Step 5
Loosen the captive installation screw on the power supply. (See Figure 5-4.)
Caution Use both hands to install and remove power supplies. Each Cisco 7609
Internet Router DC-input power supply weighs between 22 pounds (9.9 kg)
and 28 pounds (12.6 kg).
Step 6 Grasp the power supply handle with one hand and slide the power supply halfway
out of the chassis. Place your other hand underneath the power supply, as shown
in Figure 5-5, and slide the power supply completely out of the chassis. Set the
power supply aside.
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Power leads attached
to terminal block
(+) Positive
( - ) Negative
( ) Ground
Captive
installation
screw
DC-input power supply
with the terminal block
cover removed
Power
switch
DC-input cable