Check manual page of sentry_pdu_systempower
Sentry PDU Devices: System Power
This check monitors the total system power of a Sentry PDU Device.
Without configuration the status will always be OK.
You are able to set warn/crit levels, such that the status may change to
WARN or CRIT dependent on the levels and input data.
The only item is called "Power Supply System"
One service per device.