32 Installation Guide (AA-RVULC-TE, January 2005)

Installing field-replaceable units82

Items required

Replacing a power supply in the SAN Switch 4/32 should take less than two minutes.Obtain

the following items:

• New power supply

• Phillips-head screwdriver #1

Procedure

Use these steps to replace a power supply in a SAN Switch 4/32.

1. If the switch will remain powered on, verify that the functioning power supply (the one not

being replaced) has been powered on for at least four seconds and displays a green LED.

2. If the power supply you are replacing is not already powered off, press the AC power

switch to the circle symbol O to power it off. Figure 25 shows the location of the AC power

switch.

3. Unplug the power cord from the power supply that you are replacing.

4. Unscrew the captive screw on the power supply that you are replacing, using the

Phillips-head screwdriver.

5. Remove the power supply from the chassis by pulling its handle out, away from the chassis.

6. Install the new power supply in the chassis:

a. Orient the power supply as shown in Figure 25, with the AC power receptacle on the

left. See Table 22 for power supply components.