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Eaton 9130 UPS feedback
Just go -48vdc.
None of these pesky UPS problems :)
Unfortunately there's a serious lack of PoE switches that are -48.
On Nov 13, 2012 8:51 PM, "Jeff Kell" <jeff-kell at utc.edu> wrote:
> On 11/13/2012 6:42 PM, Tom Morris wrote:
> > Sorry to say, I've used them and had them eat themselves. They just
> > die mysteriously and let out lots of smoke when they do. When they do,
> > however, they leave behind a perfectly good set of batteries. I'd
> > recommend looking elsewhere... Does Eaton/PowerWare still make the
> > FerrUPS series? Those were *solid*.
> Interesting. So far the feedback sounds overwhelmingly negative. Heard
> some good points on Emerson (I'm assuming Liebert?). We've had much
> better luck overall with them, although a couple of incidents where they
> don't care to come back online after they were drained.
> We largely use the UPS to survive power glitches without dropping the
> network for switch reboot times, we're not after long runs. As such,
> the occasional extended outages drain the UPS'es and there are always
> the percentage of them that do not come back online and require manual
> We were formerly a big TrippLite user, but they seem to be incredibly
> fault-intolerant with regard to the scenario above (coming back online
> after draining), and to a lesser degree, going offline after a power
> Never used an Eaton that I'm aware of however.
> Would be interested in other recommendations for remote / IDF / MDF
> environment UPS systems to just "keep the stack up" over power glitches.