[Nut-upsdev] UPS commands

Rob Groner
Mon, 23 Mar 2015 14:33:30 -0000

Ok, so the reason I keep asking about this is in case I have to actually
implement this in our UPS.


I meant that a human could power the UPS back on. Nearly all of the UPSes I have
worked on have momentary power buttons (either toggle on/off, or a pair of on
and off buttons).

So, when a power-off-stay-off comes through, then the UPS *itself* shuts down as
well, and essentially goes into a soft-off that won't respond to resumed AC
power from the wall outlet?  And when the UPS *does* get powered back on (via a
button press), then the power outlet for the PC will come back on as well....  I
see.  So the UPS basically has an "ignore the wall power" flag that
gets set when you tell it stayoff, and for poweroff-return, it wouldn't
ignore wall power, and so would come back on when AC is restored.

I understand now (I think).  Thank you for your patience in explaining.


Sincerely,
Rob Groner

Software Engineer
RTD Embedded Technologies, Inc.
ISO9001 and AS9100 Certified
Ph: 814-234-8087
www.rtd.com<http://www.rtd.com/>


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