Chapter 3: Replacing Disk Shelf Devices
31
Replacing a power supply in a disk shelf
About this section
Replacing a power supply in a disk shelf consists of the following procedures:
◆
◆
Rules for replacing
power supplies
When replacing the power supply on your disk shelf, observe the following rules:
◆
You do not need to turn off the power when you replace one power supply.
◆
If you are replacing both power supplies in the same disk shelf, replace them
one at a time to avoid powering down the disk shelf.
Removing a power
supply
To remove a power supply, complete the following steps.
Step
Action
1
Put on the antistatic wrist strap and grounding leash.
2
If you have a disk
shelf with...
Then...
An AC power supply
1.
Turn off the switch on the power supply
that you are replacing.
2.
Lift up the clip lock and unplug the
power cord from the storage appliance
power supply.
A DC power supply
1.
Turn off and unplug the cable to the
power supply you are replacing from the
power source.
2.
Using a #2 Phillips screwdriver, remove
and save the screws securing the
connections to the power supply in the
following order: