On Mar 23, 2015, at 10:33 AM, Rob Groner <[email protected]> wrote: > 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.
Yes. It's a little closer to what some PC BIOSes default to, where they will stay off when power comes back, if they were last commanded to turn off. -- Charles Lepple clepple@gmail
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