5-3
Cisco7609 Internet Router Installation Guide
OL-5079-04
Chapter5 Removal and Replacement Proc edures
Removing and Replacing the Power Supply
Figure5-1 AC-InputPower Supply Front Panel
Step 3 Loosen the screw on the cable retention device and disconnect the p ower cord
from the power supply being removed.
Note The AC power cord for the 4000W power supply is hard wired and
cannot be removed from the supply.
Step 4 Loosen the captive installation screw. (See Figure5- 1.)
Caution Use both hands to install and remove power supplies. Each Cisco 7609
Internet Router AC-input power supply weighs between 22 pounds (9.9 kg)
and 28 pounds (12.6 kg).
Step 5 Grasp the power supply handle with one hand and slide the power supply part of
the way out of the chassis. Place your other hand underneath the power supply, as
shown in Figure 5-2, and slide the power supply completely out of the chassis.
Power
switch
Cable
retention
device
AC power
connection
INPUT
OK
FAN
OK
OUTPUT
FAIL
Captive installation
screw
Status LEDs
16029
I
0