On 11/26/2014 4:35 PM, Adam Levin wrote:
Hey all, I have a tangentially-related computer power question.
I have one of these at home:
http://smile.amazon.com/gp/product/B000RZPK1M/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
It's just good enough to keep my home network running for 1-2 hours
during a power outage (Apple Airport Extreme, DSL modem and an 8 port
wired switch). I also have a couple of home NAS drives connected to
it, so if I know the power's out, I can shut them down cleanly.
I also have a portable generator that I can connect to an outlet
outside, and a 10 circuit manual transfer switch. If power's out for
a while, I can turn that on, plug it in, and cut over the 10 most
important circuits in the house (if you're curious, they are the heat,
the refrigerators, the bathroom lights, the microwave, and the TV --
yes, I have kids :) ).
One of the circuits that happens to be on the transfer switch is the
circuit that the UPS is plugged into. However, those of you familiar
with such things will know that the power from a portable generator is
*hardly* what can be called "clean". In fact, it's so dirty that the
UPS will not charge off of it.
I bought an APC 2200RM many years ago and haven't regretted it (Ebay). I
haven't tried running it off a generator, though. I have had to replace
the batteries once. BatterySharks.com has very nice and much more
affordable replacement batteries with the same specs as the original
panasonic batteries. There are others available that match the specs as
well (size and VAH)
It's enough to power 1 2U and 1 1U server for about 40 minutes. Given
your load, it'd probably go quite a few hours.
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