Cisco Catalyst 4500e Series Installation Manual page 81

Chapter 4 Removing and Replacing FRUs
Step 6 Using a screwdriver, tighten the two captive installation screws (see
AC-input power supply.
Step 7 Make sure the power supply power switch is in the off position (O).
Before you connect the power supply to a power source, ensure that all site power and grounding
Step 8
requirements have been met.
Step 9 Plug the power cord into the power supply (see
Figure 4-9
Connect the other end of the power cord to an AC-power input source.
Step 10
In a system with multiple power supplies, connect each power supply to a separate AC power source. In
Caution
the event of a power source failure, if the second source is still available, it can maintain maximum
overcurrent protection for each power connection.
Step 11 Press the power switch down to the on (|) position (see
Figure 4-10
Power switch
Verify power supply operation by checking the power supply's front-panel LEDs. You should see the
Step 12
following:
The LED labeled GOOD is green.
•
The LED labeled FAIL is not lit.
•
The LED labeled FAN OK is green.
•
OL-13972-01
Plugging the Power Cord into the Power Supply
Powering On the Power Supply
Removing and Replacing the Power Supply
Figure
Figure 4-9).
Figure 4-10).
Catalyst 4500 E-Series Switches Installation Guide
4-1) on the front panel of the
4-7