Cisco 7200 Series Replacement Instructions Manual page 12

Removing and Replacing an AC-Input Power Supply
Installing the AC-Input Power Supply and Connecting AC-Input Power
To replace the AC-input power supply in a Cisco 7200 series chassis, complete the following steps:
Step 1
Step 2
Figure 8
Step 3
Step 4
Caution
the power supply into the bay can damage the connectors on the rear of the supply and on the
midplane.
Step 5
Note
installation screws (use a number 2 Phillips screwdriver).
Step 6
Step 7
Step 8
12
Make sure the power switch on the power supply is in the OFF (0) position.
Grasp the power supply handle with one hand and place your other hand underneath the
power supply for support (refer to Figure 8).
Holding the AC-Input Power Supply
Align the power supply to the power supply bay.
Slide the power supply completely in to the power supply bay until its faceplate is flush
with the router's rear panel.
When inserting a power supply into the router, do not use unnecessary force; slamming
Seat the power supply in the router by tightening its captive screws with a number 2
Phillips screwdriver.
The power supply is not fully seated in the router midplane until you tighten its captive
If there is no second power supply, replace the filler plate on the empty power supply bay.
Using a number 2 Phillips screwdriver, tighten the filler plate's captive screws.
If you pushed the router from the rack, slowly guide the router back into the rack.
Use a 3/16-inch flat-blade screwdriver to tighten the screws that secure the router to front
mounting strips of the rack.