104 lines
3.6 KiB
Groff
104 lines
3.6 KiB
Groff
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.TH mge\-utalk 8 "Mon Jan 16 2006" "" "Network UPS Tools (NUT)"
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.SH NAME
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mge\(hyutalk \- Driver for MGE UPS SYSTEMS UTalk protocol hardware
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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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mge\(hyutalk 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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mge\(hyutalk supports the following legacy units, using the MGE UTalk
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protocol:
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Pulsar ESV+,
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Pulsar ES+,
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Pulsar EL,
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Pulsar EX,
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Pulsar EXtreme,
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Comet EXtreme,
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Comet (Utalk Serial Card, ref 66060),
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Galaxy (Utalk Serial Card, ref 66060).
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This driver also support some newer models with backward UTalk compatibility,
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such as Pulsar Evolution and Pulsar EXtreme C. As these models also support
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the SHUT protocol, prefer mge-shut for serial communication, or use the USB
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port, if available, with the usbhid-ups driver.
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.SH EXTRA ARGUMENTS
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This driver supports the following optional settings in the
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\fBups.conf\fR(5):
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.IP "lowbatt=\fIvalue\fR"
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Low battery level below which LB is raised, in % (default 30%)
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.IP "ondelay=\fIvalue\fR"
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Set delay before startup, in minutes (default 1 minute)
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.IP "offdelay=\fIvalue\fR"
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Delay before shutdown, in seconds (default 120 seconds)
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.IP "oldmac"
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Set this flag if you are running Linux on an Oldworld Macintosh box
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(all beige Apple Macintosh). This might also be needed for other
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OSs (like *BSD) running on PowerMac.
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.SH IMPLEMENTATION DETAILS
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Not all MGE UPS models provide all possible information, settings and commands.
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mge\(hyutalk checks on startup which variables and commands are available from
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the UPS, and re\(hyreads these regularly. Thus, startup is a bit slow,
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but this should not matter much.
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mge\(hyutalk.h defines a struct array that tells the driver how to read
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variables from the UPS and publish them as NUT data.
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"ups.status" variable is not included in this array, since it
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contains information that requires several calls to the UPS and more
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advanced analysis of the reponses. The function get_ups_status does
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this job.
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Note that MGE enumerates the status "bits" from right to left,
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i.e., if buf[] contains the reponse to command "Ss" (read system
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status), then buf[0] contains "bit" Ss.1.7 (General alarm), while
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buf[7] contains "bit" Ss.1.0 (Load unprotected).
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enable_ups_comm() is called before each attempt to read/write data
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from/to the UPS to re synchronise the communication.
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.SH KNOWN ISSUES
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.SS "Repetitive stale status \(hy Loss of communication"
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Older models, such as ES/ESV ones, might report repetitive "data stale"
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errors. This is due to the fact that these models doesn't support too
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much polling. To solve this problem, add "pollinterval=20" in ups.conf,
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and change the value of MAXAGE to 25 in upsd.conf, and DEADTIME to 25
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in upsmon.conf.
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.SH TODO LIST
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.IP "Sort out OFF/OL issues"
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OFF is set according to Ls.2.7, but maybe this interpretation is in
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conflict with the NUT interpretation of the OFF flag?
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.IP "Add PowerShare / PowerSave support (selectable plug number for commands)"
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ON/OFF/REBOOT commands can act either on outlet 1, 2 or main (1 + 2). This
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features depends on the UPS model. This would also allow to support
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UM\(hySwitch (smart outlet).
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.IP "Enhance the model name exposure"
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A table, named Si1_models_names, has been created to format finelly the
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UPSs model names, but it is not yet being used.
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.SH AUTHORS
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Arnaud Quette, Hans Ekkehard Plesser, Martin Loyer, Patrick Agrain,
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Nicholas Reilly, Dave Abbott, Marek Kralewski
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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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