On Monday, November 15, 2010 12:14:18 pm Jon Bendtsen did opine: > Hi > > Occasionally I get emails from my NUT system saying that one of my UPSes > lost power for about a minute. > > Losing power: > Date: 15. nov 2010 17.40.25 CET > > regaining power: > Date: 15. nov 2010 17.41.34 CET > > 69 seconds later. But why? None of the 3 other UPSes reports any power > loss. What is the problem? > > So I made some scripts that logs the input, output and frequency at the > time of power loss, but they show nothing strange. Today results was: > input 228.9 V > output 228.9 V > > Today the UPS was a APC Smart-UPS 3000 RM, but I have seen it with other > UPSes as well. > > > How normal is my experiences? > Pretty normal if there are any Prolific usb parts in the path. Although 69 seconds is a much longer time frame than I have encountered. If you are using a ser-usb adaptor, I have found the FTDI parts considerably more dependable in that regard. YMMV or course.
-- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If practice makes perfect, and nobody's perfect, why practice? _______________________________________________ Nut-upsuser mailing list [email protected] http://lists.alioth.debian.org/mailman/listinfo/nut-upsuser
