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.TH HIDUPS 8 "Wed Mar 10 2004" "" "Network UPS Tools (NUT)"
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hidups \- Experimental Multi-HID Driver for USB/HID UPS equipment
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This man page only documents the hardware-specific features of the
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newhidups driver. For information about the core driver, see
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This is an experimental driver. Not all features may work correctly.
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.SH SUPPORTED HARDWARE
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is an experiment to bring USB UPS monitoring to NUT on all platform
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supporting USB through libusb. It should detect any UPS that uses
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the HID power device class, but the amount of data will vary depending
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on the manufacturer and model.
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At the present time, newhidups only supports MGE UPS SYSTEMS models.
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On Linux, you will need at least a 2.4.25 or 2.6.2 kernel
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to disable hiddev support and avoid conflict. Otherwise,
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prefer to use hidups driver.
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This driver supports the following optional settings in the
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.IP "offdelay=\fInum\fR"
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Set the timer before the UPS is turned off after the kill power command is
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sent (via the \fI-k\fR switch).
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The default value is 20 (in seconds), and MUST BE LOWER than ondelay.
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.IP "ondelay=\fInum\fR"
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Set the timer for the UPS to switch on in case the power returns after the
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kill power command had been sent but before the actual switch off. This
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ensures the machines connected to the UPS are, in all cases, rebooted after
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The default value is 30 (in seconds), and MUST BE GREATER than offdelay.
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.SH EXPERIMENTAL DRIVER
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This driver has been tagged experimental, even if it has been reported
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to be stable. Thus it is not suitable for production systems and it is
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not built by default. This is mainly due to the fact that it is a
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new driver, and that it will be replaced soon with a version using
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an external HID library (libhid), as opposed to the current
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internal ripped version.
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This driver is not built by default. You can build it by using
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"make usb", and install it using "make install-usb". Note that
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it will also install other USB drivers.
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newhidups only support 1 UPS at this time. You can put the
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"auto" value for port in \fBups.conf\fR, i.e.:
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.SH KNOWN ISSUES AND BUGS
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.SS "Repetitive stale status - Loss of communication"
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Some models might report repetitive stale status, for
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1 sec or less. This is due to a small and temporary
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flood of the UPS �controler.
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To solve this point, simply add "pollinterval=15" in
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ups.conf. Also change the value of MAXAGE to 20 in
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upsd.conf, and optionally DEADTIME to 20 in upsmon.conf.
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You might adapt these values according to your tests
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.SS Sponsored by MGE UPS SYSTEMS <http://opensource.mgeups.com/>
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.SS Internet resources:
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The NUT (Network UPS Tools) home page: http://www.networkupstools.org/