[Nut-upsuser] [Nut-upsdev] CyberPower 550SL reports LB and OB when on line power

[Charles Lepple]

On Fri, Aug 1, 2008 at 10:32 PM, orangevixen <postmaster at ccinet.com> wrote:
> I need to add one thing here. After a few tests (unplugging the UPS and
> using statserial) the results are NOT consistent, that is, sometimes the DTR
> goes out and sometimes it does not. I suspect something else is involved.
>
> Do you know if I need to run setserial with any special parameters to
> initialize the serial port before running NUT's drivers?

setserial requires no initialization; however, if you ran it before
starting NUT, and then after starting NUT, you would probably see
different results on the output pins.

To double-check that there are no other programs using the serial port
in the background, run 'lsof | grep ttyS' as root.

-- 
- Charles Lepple