1LIEBERT-ESP2(8)                   NUT Manual                   LIEBERT-ESP2(8)
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NAME

6       liebert-esp2 - Driver for Liebert UPS, using the ESP-II serial protocol
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NOTE

9       This man page only documents the hardware-specific features of the
10       liebert-esp2 driver. For information about the core driver, see
11       nutupsdrv(8).
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SPECIAL CABLING NOTE

14       Be aware that an RS-232 cable with ONLY the RX, TX and ground pin must
15       be used when interfacing with GXT2 series UPS units (and possibly
16       others), since the handshaking lines are used for purposes other than
17       RS-232 flow control. Use of a standard RS-232 cable with full
18       handshaking may result in undesired operation and/or shutdown. It is
19       therefore advisable to confirm the proper cable/wiring with the diagram
20       provided in the manual with your UPS.
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SUPPORTED HARDWARE

23       Tested to work on the following units:
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25       •   Liebert GXT2-6000RT208
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27       This is an experimental driver. You have been warned.
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29       This driver currently does not support modification of configuration
30       parameters, such as the low battery warning time and automatic restart
31       policy.
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EXTRA ARGUMENTS

34       This driver supports the following optional settings in ups.conf(5):
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36       baudrate=num
37           Set the speed of the serial connection - 1200, 2400 (default),
38           4800, 9600 or 19200.
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AUTHORS

41       •   Richard Gregory <R.Gregory at liverpool.ac.uk>
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43       •   Arjen de Korte <adkorte-guest at alioth.debian.org>
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45       •   Nash Kaminski <nashkaminski at kaminski.io>
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SEE ALSO

48   The core driver:
49       nutupsdrv(8)
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51   Internet resources:
52       The NUT (Network UPS Tools) home page: http://www.networkupstools.org/
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56Network UPS Tools 2.8.0           04/26/2022                   LIEBERT-ESP2(8)
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