Cisco Catalyst 3650 Series

Examples
This example shows how to set the power supply in slot A to off:
Device> power supply 2 slot A off
Disabling Power supply A may result in a power loss to PoE devices and/or switches ...
Continue? (yes/[no]): yes
Device
Jun 10 04:52:54.389: %PLATFORM_ENV-6-FRU_PS_OIR: FRU Power Supply 1 powered off
Jun 10 04:52:56.717: %PLATFORM_ENV-1-FAN_NOT_PRESENT: Fan is not present
This example shows how to set the power supply in slot A to on:
Device> power supply 1 slot B on
Jun 10 04:54:39.600: %PLATFORM_ENV-6-FRU_PS_OIR: FRU Power Supply 1 powered on
This example shows the output of the show env power command:
Device> show env power
SW PID Serial# Status Sys Pwr PoE Pwr Watts
-- ------------------ ---------- --------------- ------- ------- -----
1A PWR-1RUC2-640WAC DCB1705B05B OK Good Good 250/390
1B Not Present
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
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power supply