1. Manuals
  2. Tumbleweed
  3. nut
  4. nhs_ser(8)

Scroll to navigation

NHS_SER(8) NUT Manual NHS_SER(8)

NAME

nhs_ser - Driver for NHS Nobreaks, senoidal line, with serial port

SYNOPSIS

nhs_ser -h

nhs_ser -a UPS_NAME [OPTIONS]


Note

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

SUPPORTED HARDWARE

nhs_ser supports numerous UPS models made by NHS Sistemas Eletronicos LTDA and marketed in Brazil. They feature a serial port and a binary wire protocol.


Note

Currently this driver only builds on Linux. This is expected to change in future revisions of the code.

EXTRA ARGUMENTS

This driver also supports the following optional settings:

baud=num

Set the value of serial port baud rate (default: 2400)

ah=num

Battery discharge capacity in Ampere/hour.

va=num

Nobreak NOMINAL POWER in VA.

pf=num

Power Factor to use in calculations of battery time (default: 0.90).

vin_low_warn_perc=num

Voltage In Percentage to calculate warning low level (default: 2.00).

vin_low_crit_perc=num

Voltage In Percentage to calculate critical low level (default: 2.00).

vin_high_warn_perc=num

Voltage In Percentage to calculate warning high level (default: 2.00).

vin_high_crit_perc=num

Voltage In Percentage to calculate critical high level (default: 2.00).

numbatteries=num

Num Batteries (override value from nobreak).

vbat=num

Battery Voltage (default: 12.00).

debug_pkt_raw

Optional flag to enable debug logging of packet bytes.

debug_pkt_data

Optional flag to enable debug logging of data packet decoding.

debug_pkt_hwinfo

Optional flag to enable debug logging of hwinfo packet decoding.

AUTHORS

Lucas Willian Bocchi <lucas@lucas.inf.br>

SEE ALSO

The core driver:

nutupsdrv(8)

Internet resources:

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

08/12/2025 Network UPS Tools 2.8.4