Allied Telesis AT-8400 Series Reference Manual page 90

Installing or Replacing a Power Supply
76
3. Simultaneously push the locking levers on the power supply to the
released position.
P W R
Figure 39 Moving the Locking Levers into the Released Position
4. Slide the power supply out of the chassis.
T H U
Figure 40 Removing the Power Supply
Warning
The power supply may be hot. Handle it carefully to avoid physical
injury.
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