POWERVAR_CX_SER(8) NUT Manual POWERVAR_CX_SER(8)

powervar_cx_ser - Driver for Powervar UPM Series UPS equipment with Serial connection

powervar_cx_ser -h

powervar_cx_ser -a UPS_NAME [OPTIONS]


Note

This man page only documents the hardware-specific features of the Powervar driver. For information about the core driver, see nutupsdrv(8).

This driver supports the Powervar UPM UPS family (devices with serial port connection). For USB connected UPM Series devices, see also powervar_cx_usb(8).

This driver supports the following optional settings in the ups.conf(5) file:

startdelay=num

Change startup delay time from 1 second default.

offdelay=num

Change shutdown delay time from 0 second default.

disptesttime=num

Change display test time from the 10 second default.

This driver supports the following Instant Commands (see upscmd(8)):

beeper.disable

Disable the UPS beeper.

beeper.enable

Enable the UPS beeper.

beeper.mute

Temporarily mute the UPS beeper.

shutdown.return

Turn off the load possibly after a delay and return when power is back.

shutdown.stop

Stop a shutdown in progress.

shutdown.reboot

Shut down the load briefly while rebooting the UPS.

shutdown.stayoff

Turn off the load and remain off.

test.battery.start.deep

Start a "deep" battery test. This test runs the UPS until the low battery point and then returns to the AC line.

test.battery.start.quick

Start a "quick" battery test. The default time is 2 minutes. This time can be set in the ups.conf file. See testime above.

test.battery.stop

Stops a battery test that is in progress.

test.failure.start

Starts a simulation of an input power failure.

test.failure.stop

Stops a simulation of an input power failure.

test.panel.start

Start testing the UPS panel.

reset.input.minmax

Reset minimum and maximum input voltage status.

See upsrw(8) to see what variables are writable for the UPS.

•Bill Elliot <bill@wreassoc.com>

For USB connected GTS and UPM Series devices, see powervar_cx_usb(8).

nutupsdrv(8)

The NUT (Network UPS Tools) home page: https://www.networkupstools.org/historic/v2.8.4/

08/13/2025 Network UPS Tools 2.8.4