Peter Selinger wrote:
Rob wrote:
When I run my PC in windows and pull the plug, the UPS does not shutdown
after it's been on battery for more than 5 minutes nor does it
shutdown after power is restored, so I do not think there is a problem
with the UPS physically (bad UPS, battery, etc).
However, I did notice that in windows, the default setting for the UPS
software was to shutdown 5 minutes after power had been removed. It's
possible that the UPS defaults to shut down after 5 minutes unless the
software configures it differently. That wouldn't explain why it is
shutting down after power has been restores though. I'm not even sure
the UPS is even making it that long in Linux but I admit I didn't time
it exactly. It could be exactly 5 minutes.
It seems more likely that a condition may exist similar to what Peter
suggested, which is there is a signal the managing software should send
the UPS once power has been restored and/or to configure the settings.
Interesting.
One more difference to note that SHOULDN'T make a difference, but of
course could. The only NUT driver that works with this UPS is the
cpsups driver over a serial connection. The testing I did in windows
was done via a USB connection. The manual/website says that the serial
connection is for legacy machines and not all functionality is
supported, but I would hardly guess they meant the functionality I am
seeing. :) It is possible, however, that the USB and Serial protocols
are different or act differently. I'll try rebooting into windows when
I get the time and run a test with the serial connection.
You could also try the other way around. There is a USB driver in NUT
(the newhidups driver) that supports Cyberpower. You should use the
latest NUT version from SVN because we made some changes to this
driver recently. -- Peter
That driver is for a different model. On the 1200 models we have, the
newhidups driver tells me that the USB connection is a USB-Serial
bridge.. Didn't look very hopeful for me..
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