Chapter 4 Removing and Replacing FRUs
Removing and Replacing the Power Supply
4-8
Catalyst 4500 Series Switches Installation Guide
78-14409-08
Installing an AC-Input Power Supply
Warning
The plug-socket combination must be accessible at all times, because it serves
as the main disconnecting device.
Statement 1019
Follow these steps to install an AC-input power supply:
Step 1
Make sure that the power supply you are installing is not plugged in to a power
outlet and that the power cord is not connected to the power supply.
Step 2
Remove the two Phillips-head screws from the power supply filler plate (if a filler
plate is present).
Step 3
Remove the power supply filler plate (if one is present) and set it aside.
Caution
Use both hands to grasp a power supply.
Step 4
Grasp the power supply handle with one hand. Place your other hand underneath
to support the bottom of the power supply, as shown earlier in
Figure 4-8
.
Step 5
Slide the power supply all the way into the power supply bay.
Step 6
Using a screwdriver, tighten the two captive installation screws (see
Figure 4-1
)
on the front panel of the AC-input power supply.
Step 7
Make sure the power supply power switch is in the off position (O).
Step 8
Before you connect the power supply to a power source, ensure that all site power
and grounding requirements described in the
Site Preparation and Safety Guide
have been met.
Step 9
Plug the power cord into the power supply (see
Figure 4-9
).
