1FENTONUPS(8) Network UPS Tools (NUT) FENTONUPS(8)
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6 fentonups - Driver for Fenton Technologies (Megatec protocol) UPS
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10 This driver is obsolete and has been replaced by the megatec(8) driver.
11 It will be removed somewhere in the near future.
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13 This man page only documents the hardware‐specific features of the fen‐
14 tonups driver. For information about the core driver, see nutups‐
15 drv(8).
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19 fentonups primarily supports Fenton Technologies models such as the
20 PowerPal, PowerPure and PowerOn lines. Due to the common heritage of
21 UPS equipment, it generally supports other hardware that also uses the
22 Megatec protocol.
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24 At the time of this writing, the PowerGuard PG‐600 and PowerCom
25 SMK‐800A are recognized and supported. Other Megatec units should also
26 work, but they will generate a warning since their battery information
27 is not known.
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31 This driver supports the following optional settings in the
32 ups.conf(5):
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35 lowbattvolt=decimal
36 Sets a user-defined battery voltage under which the driver will
37 consider that the UPS is on "low battery" condition when running
38 on battery. This allows initiating a system shutdown before the
39 UPS signals a low battery status by itself, and may be useful
40 for some UPSes that don't have enough runtime left for properly
41 shutting down the system when they start signaling a "low bat‐
42 tery" status.
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46 The battery percentage is derived from the voltage data that the UPS
47 returns, since the UPS doesn't return that value directly. On some
48 hardware, the charge will remain at 100% for a long time and then drops
49 quickly shortly before the battery runs out. You can confirm from the
50 battery.voltage readings that this is a problem with the UPS and not
51 this driver.
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53 Similarly, the float from the charger in some models forces the battery
54 charge percentage back up to 100% immedately after the UPS goes back
55 on‐line, so you can't tell when it is really recharged.
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57 Dead/broken batteries can't be reported reliably. If your UPS kills
58 the load instantly or within seconds of starting the inverter, your
59 batteries probably need to be replaced. Recently, a pair of 3.5 hour
60 outages here (thanks CPS!) finally killed my batteries. You may have
61 to run a manual test from the front panel before the "replace battery"
62 LED will light.
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66 Russell Kroll, Michel Bouissou
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70 The core driver:
71 nutupsdrv(8)
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74 Internet resources:
75 The NUT (Network UPS Tools) home page: http://www.networkupstools.org/
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79 Tue May 03 2005 FENTONUPS(8)