> Our telescope suffers from flaky mountain power, so we have to do > this sort of thing.
> The problem is sending a message that the power went out to the > university campus from the mountaintop over a network that may not be > working because the power went out. Many steps of communication > depend on UPSes to hold up for a few minutes to get that email out. Have you tried turning that around? Do the active monitoring from the campus where you have a solid place to stand. If you can't ping the mountain top there is a problem. > For monitoring whether there is mains power or not, a 110VAC coil > relay plugged into the non-UPS outlet tells a computer that there is > no mains power. I like that level of simplicity. Thanks. -- These are my opinions, not necessarily my employer's. I hate spam. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.