[time-nuts] Power monitoring
hmurray at megapathdsl.net
Thu Apr 17 20:50:49 EDT 2008
> 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.
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