liebertgxt2 (8) - Linux Manuals
NAMEliebertgxt2 - Driver for Liebert GXT2 UPS, using the ESP2 serial protocol
NOTEThis man page only documents the hardware-specific features of the liebertgxt2 driver. For information about the core driver, see nutupsdrv(8).
SUPPORTED HARDWAREliebertgxt2 is experimental and will recognize only those models known to work. The driver will report the model it finds and abort if it is unknown. modelname= in ups.conf can be used to force the driver to accept the model as supported.
The driver is incomplete but supports the numerious information fields and fields necessary to make the driver useful. Potentially useful features that aren't supported are shutdown and battery test - or any command that instructs the UPS to take some action.
This driver expects to see 2400 baud serial data at the TX/RX pins. This driver was tested with an original cable.
EXTRA ARGUMENTSThis driver supports the following optional settings in the ups.conf(5):
Force the model name of model to be a supported model, giving you the chance to try this driver with your Liebert UPS.
BUGSAction commands are not supported, that includes battery test and shutdown.
AUTHORRichard Gregory <r.gregory liv ac uk>. With additional information from Spiros Ioannou.
The core driver:nutupsdrv(8)
Internet resources:The NUT (Network UPS Tools) home page: http://www.networkupstools.org/
Partial description of the ESP2 protocol: http://www.csc.liv.ac.uk/~greg/projects/liebertserial/