'\" t
.\"     Title: liebert-gxe
.\"    Author: [see the "AUTHORS" section]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 05/29/2025
.\"    Manual: NUT Manual
.\"    Source: Network UPS Tools 2.8.3
.\"  Language: English
.\"
.TH "LIEBERT\-GXE" "8" "05/29/2025" "Network UPS Tools 2\&.8\&.3" "NUT Manual"
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.SH "NAME"
liebert-gxe \- Driver for Liebert GXE series UPS, using the YDN23 serial protocol
.SH "SYNOPSIS"
.sp
\fBliebert\-gxe\fR \-h
.sp
\fBliebert\-gxe\fR \-a \fIUPS_NAME\fR [\fIOPTIONS\fR]
.if n \{\
.sp
.\}
.RS 4
.it 1 an-trap
.nr an-no-space-flag 1
.nr an-break-flag 1
.br
.ps +1
\fBNote\fR
.ps -1
.br
.sp
This man page only documents the hardware\-specific features of the liebert\-gxe driver\&. For information about the core driver, see \fBnutupsdrv\fR(8)\&.
.sp .5v
.RE
.SH "SUPPORTED HARDWARE"
.sp
Tested to work on the following units:
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Liebert GXE 01k00TS1101C00
.if n \{\
.sp
.\}
.RS 4
.it 1 an-trap
.nr an-no-space-flag 1
.nr an-break-flag 1
.br
.ps +1
\fBNote\fR
.ps -1
.br
This UPS has an RS\-232 port and a USB port\&. The USB port has an ACM interface which functions as a serial port for the host operating system\&. Both ports can be used managing the device\&.
.sp .5v
.RE
.RE
.sp
This is an experimental driver\&. You have been warned\&.
.SH "EXTRA ARGUMENTS"
.sp
This driver supports the following optional settings in \fBups.conf\fR(5):
.PP
\fBaddr=\fR\fInum\fR
.RS 4
Set the address of the UPS \(em 01 (default) ~ 99\&.
.RE
.PP
\fBretry=\fR\fInum\fR
.RS 4
Set the max times of read failures\&. (UPS sometimes ignores the incoming command and causes driver stales\&. The driver will ignore
\fBretry\fR
failures if occurred in a row\&. However, this does increase the latency if a real stale happened\&. Default to 3)
.RE
.SH "AUTHORS"
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
Gong Zhile <goodspeed at mailo\&.cat>
.RE
.SH "SEE ALSO"
.SS "The core driver:"
.sp
\fBnutupsdrv\fR(8)
.SS "Internet resources:"
.sp
The NUT (Network UPS Tools) home page: https://www\&.networkupstools\&.org/historic/v2\&.8\&.3/