Displays the type and current status of the switch power supply.
Privileged EXEC mode
The show environment power command displays the following information:
| Output field | Description | 
|---|---|
| OK | Power supply is functioning correctly. | 
| absent | Power supply is not present. | 
| unknown | Unknown power supply unit is installed. | 
| predicting failure | Power supply is present but predicting failure. Replace the power supply as soon as possible. | 
| faulty | Power supply is present but faulty (no power cable, power switch turned off, fuse blown, or other internal error). | 
| Airflow | Specifies direction of fan air flow. | 
The following example displays the power supply status.
device# show environment power Power Supply #1 is OK DELTA type: A V23.45 Power Supply #2 is OK DELTA type: A V23.45 Power Supply #3 is absent Power Supply #4 is absent Power Supply #5 is absent Power Supply #6 is absent