43 lines
1.4 KiB
Groff
43 lines
1.4 KiB
Groff
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.TH LIEBERT 8 "Wed Jul 28 2009" "" "Network UPS Tools (NUT)"
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.SH NAME
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liebert \- Driver for Liebert contact\(hyclosure UPS equipment
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.SH NOTE
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This man page only documents the hardware\(hyspecific features of the
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liebert driver. For information about the core driver, see
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\fBnutupsdrv\fR(8).
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.SH SUPPORTED HARDWARE
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This driver supports some Liebert UPS equipment with a contact\(hyclosure
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interface. This includes the UPStation GXT2 with their contact\(hyclosure
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cable. The smart mode ("Multilink") cable is not supported by this
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driver.
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.SH EXTRA ARGUMENTS
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This driver does not support any extra settings in the
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\fBups.conf\fR(5).
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.SH BUGS
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This driver does not yet support shutdowns by raising DTR. Be aware
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that shutdowns are not possible with the stock contact\(hyclosure cable.
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You may have to build another cable with DTR connected through to the
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UPS for it to work.
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There is no way for this driver to detect the hardware or cable. It
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will start up successfully even if no UPS is present. This is a
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fundamental limitation of any contact\(hyclosure driver.
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Since the TX and RX signals are only used to detect loopback (when the
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contacts close), the baud rate should not matter. However, it is hardcoded to
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9600 baud to prevent problems with noise if the port defaults to a higher baud
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rate.
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.SH SEE ALSO
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.SS The core driver:
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\fBnutupsdrv\fR(8)
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.SS Internet resources:
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The NUT (Network UPS Tools) home page: http://www.networkupstools.org/
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