Cisco CATALYST 4500 7 SLOT CHASSIS FAN NO POWER SUPPLY REDUNDANT SUPCAPABLE 规格指南
4-7
Catalyst 4500 Series Switches Installation Guide
78-14409-08
Chapter 4 Removing and Replacing FRUs
Removing and Replacing the Power Supply
Caution
Use both hands to grasp a power supply.
Step 5
Grasp the power supply handle with one hand. Place your other hand underneath
to support the bottom of the power supply, as shown in
to support the bottom of the power supply, as shown in
.
Figure 4-8
Handling an AC-Input Power Supply
Step 6
Pull the power supply out of the bay and set it aside.
Warning
Blank faceplates and cover panels serve three important functions: they
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
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
Step 7
If the power supply bay is to remain empty, install a blank power supply filler
plate over the opening. Secure the filler plate with the two mounting screws and
tighten them with a screwdriver.
plate over the opening. Secure the filler plate with the two mounting screws and
tighten them with a screwdriver.
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