Install a Power Supply
- Power off and remove the power supply to be replaced.See: 
- Verify that the slot where you are installing the power supply is clean
and free of debris. 
- Orient the power supply with the status LEDs on the left and the
release tab on the right.
- Slide the power supply into the open slot, pushing at the handle.
  
- When the power supply seats, push firmly so that the release tab clicks
to secure the power supply into the switch. 
  
- Power on the power supply.See Power On a Power Supply. 
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