# POWERVAR_CX_SER(8)

## NAME

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

## SYNOPSIS

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).

## SUPPORTED HARDWARE

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).

## EXTRA ARGUMENTS

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.

## INSTANT COMMANDS

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

### All GTS and UPM UPS units

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.

### All UPM UPS units

test.panel.start

  Start testing the UPS panel.

reset.input.minmax

  Reset minimum and maximum input voltage status.

## Writable Variables

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

## AUTHORS

- Bill Elliot <bill@wreassoc.com>

## SEE ALSO

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

### The core driver:

nutupsdrv(8)

### Internet resources:

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