Allied Telesis AT-SBx31CFC960 - Manual (Page 254)

Chapter 13: Replacing Modules
254
Replacing the AT-SBxPWRSYS1 DC Power Supply
This section contains the procedure for removing an AT-SBxPWRSYS1
DC Power Supply from the AT-SBx3106 Chassis.
Note
Allied Telesis recommends creating a backup copy of the database
file of the chassis with the BACKUP DATABASE FILE command
before removing or replacing a power supply. For instructions, refer
to the Software Reference for SwitchBlade x3100 Series Switches.
To remove an AT-SBxPWRSYS1 DC Power Supply from the chassis,
perform the following procedure:
1. Turn off the circuit breaker to the AT-SBxPWRSYS1 DC Power
Supply.
2. Turn off the On/Off switch on the front panel of the power supply. Refer
to Figure 119 on page 180.
3. Use a #2 screwdriver to loosen the screw on the locking handle. Refer
to Figure 160 on page 255.
Note
Do not lift the locking handle yet.