Just to throw in a couple of comments but no direct knowledge:
As for restoring immediately I believe the battery level has some effect on
that.
Determining the command is a little more tricky. The best way to do this is
to sniff the connection since the manufacture does not make the commands
available. And to do this you need the UPS. So, since you have the UPS, if
you can hook the UPS back up to the Windows box. Run it with a sniffer on
the USB connection. Then see what commands are being sent, so that can be
compared to what NUT is actually sending.
Haven't actually done this on USB myself but there appears to be a selection
of free sniffers out there. There is one that has a fully functional 33 day
trial that work on any 32 bit Windows, usblyzer. Search Google for: windows
usb sniffer.
Doug
----- Original Message -----
From: "Andy Hawkins" <[email protected]>
To: <[email protected]>
Sent: Tuesday, October 05, 2010 3:32 PM
Subject: Re: [Nut-upsuser] APC CS650 not turning load back on when
powerreturn
Hi all,
In article <[email protected]>,
Andy Hawkins<[email protected]> wrote:
A bit more info. I have been in touch with the people at apc-forums just
to
make sure this isn't a UPS fault. They had me try the Powerchute software
under Windows to see if it behaves in the same way.
Using this software, the power to the load is restored once power to the
UPS
comes back (although it happens immediately rather than once the battery
has
charged a little as I'd expected).
So it appears that the command NUT is sending to shutdown the load power
from the UPS also prevents it from re-applying the load power once power
to
the UPS returns.
Does this help?
Anyone got any ideas on this?
Cheers
Andy
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