UPS Connections and use (FC2)
Robin.Laing at drdc-rddc.gc.ca
Fri Mar 9 17:32:17 UTC 2007
Mikkel L. Ellertson wrote:
> Mogens Kjaer wrote:
>> Mike McCarty wrote:
>>> Can you give me any reason why one would want to have extended
>>> conversations with an UPS if the only real option is to shut
>>> down anyway?
>> Modern UPSes do a lot of selftests, especially on the
>> battery, so it is important to get a notification when
>> the battery needs to be replaced.
> I have found that "smart" UPSs can provide you with other handy
> information as well. I like being able to find the charge level of
> hte battery, how much power the system is drawing, and things of
> that nature. If the UPS also does AVR, it can be handy to know how
> often it has to supplement or reduce line voltage. And while the
> calibration is not as good as I would like, they can also be used to
> record line voltage that can provide clues to other voltage related
> problems you may experience. (It can save you from having to attach
> a recording volt meter.)
I used my APC logs to report power problems in my neighborhood. The
logs showed that the power problems were mainly at night and would occur
on a regular basis. Parsing and presenting the logs to the local
utility finally got the problem fixed.
Note, my APC will send a pop-up to my terminal so it may be configurable
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