[Nut-upsuser] APC SmartUPS 3000VA LCD not connecting
gdmr at inf.ed.ac.uk
Fri Feb 3 08:23:29 UTC 2012
> We recently had to replace an old APC SmartUPS 3000 with a newer 3000VA
> (the 2U one). It has both serial and USB in the back (with an RJ-45 on
> the end of the serial cable).
> I can't get the apcsmart driver to connect. I figured it should work
> the exact same as the old UPS, with /dev/ttyS0 as the port (I'm using
> the same port on the server that the last one was plugged into). I even
> tried the USB driver (usbhid-ups) using the port=auto, but it complained
> about unsupported UPS.
One thing to watch out for with APC and USB is that it was the case with
their earlier units that once you had connected them up using USB the only
way you could get them to go back to serial was to power them down
completely. They may have fixed that, of course.
Having said that, we never did get our APC USB-capable units to work
reliably with our Linux boxes. They're all on serial or SNMP cards now.
George D M Ross MSc PhD CEng MBCS CITP, University of Edinburgh,
School of Informatics, 10 Crichton Street, Edinburgh, Scotland, EH8 9AB
Mail: gdmr at inf.ed.ac.uk Voice: 0131 650 5147 Fax: 0131 650 6899
PGP: 1024D/AD758CC5 B91E D430 1E0D 5883 EF6A 426C B676 5C2B AD75 8CC5
The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.
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