HP StorageWorks 8/40 - SAN Switch Hardware Reference Manual page 77

To replace a power supply:
1. If the switch remains 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
power it off.
3. Unplug the power cord from the power supply you are replacing.
1. AC power receptacle
3. Handle
5. AC power switch
Figure 34 Installing a power supply in the 8/80 or Encryption SAN Switch
4. Using a Phillips screwdriver, unscrew the captive screw on the power supply you are replacing.
5. Remove the power supply from the chassis by pulling its handle out and away from the chassis.
6. Orient the new power supply as shown in
2. Status LED
4. Captive screw
6. Power supply
Figure 34, with the AC power receptacle on the left.
8-Gb SAN Switch hardware reference manual 77