Cisco CAtalyst 4500 Series Installation Manual page 121

Chapter 4 Removing and Replacing FRUs
Caution Use both hands to grasp a power supply.
Grasp the power supply handle with one hand. Place your other hand underneath
Step 5
to support the bottom of the power supply, as shown in
Figure 4-8
Pull the power supply out of the bay and set it aside.
Step 6
Blank faceplates and cover panels serve three important functions: they
Warning
prevent exposure to hazardous voltages and currents inside the chassis; they
contain electromagnetic interference (EMI) that might disrupt other equipment;
and they direct the flow of cooling air through the chassis. Do not operate the
system unless all cards, faceplates, front covers, and rear covers are in place.
Statement 1029
If the power supply bay is to remain empty, install a blank power supply filler
Step 7
plate over the opening. Secure the filler plate with the two mounting screws and
tighten them with a screwdriver.
78-14409-08
Handling an AC-Input Power Supply
Catalyst 4500 Series Switches Installation Guide
Removing and Replacing the Power Supply
Figure 4-8.
4-7