this section describes how to remove and install the ac-input power supply and dc-input power supply for the catalyst 4500 series switches. this information is presented in the following sections:

    1 required tools.

    2 removing an ac-input power supply.

    3 installing an ac-input power supply.

    4 removing a dc-input power supply.

    5 installing a dc-input power supply.

    hazardous voltage or energy is present on the backplane when the system is operating. use caution when servicing. statement 1034

    figure 4-1 and figure 4-2 show the ac-input power supplies. figure 4-3 and figure 4-4 show a the dc-input power supplies. locate your power supply and notice the location of the captive installation screws.