Allied Telesis X8112 - page 205

SwitchBlade x8112 Chassis Switch Installation Guide
205
2. Lift the locking hand on the power supply. Refer to Figure 134.
Figure 134. Lifting the Locking Handle on the Power Supply
3. Carefully pull on the locking handle to slide the power supply from the
chassis. Refer to Figure 135 on page 206.
Warning
The power supply is heavy. Use both hands to hold the module as
you remove it from the chassis.