Mailinglist Archive: opensuse (2489 mails)

[Tero Pesonen <mlist-suse@xxxxxxxxxxxx>]

On Sunday 30 November 2008, James Knott wrote:
> Carlos E. R. wrote:
> > On Sunday, 2008-11-30 at 22:23 +0200, Tero Pesonen wrote:
> > > But if I had a UPS for my home box, and
> > > the power went out, and the UPS went to work for a short period
> > > of time, how would my system know to "init 0" or something like
> > > that during the time the UPS would be able to feed it?
> >
> > First, you need one that has some time of communication port with
> > the computer.
> >
> > The old type just had some contacts, that were plugged into some of
> > the auxiliary control lines of a serial port, and this way, the
> > status of "online, on batt, or batt nearly depleted" can be
> > communicated to the computer. Then, there are better types with an
> > ethernet, usb port, or real serial port, and contain some kind of
> > microprocessor.
> >
> > And some of them can be controlled by linux, using the package
> > "nut", or sometimes, a proprietary package of the maker. Bad news
> > is that they can cost almost double the price of a plain UPS.
>
> I have a couple, made by APC that work well.  They're connected by
> USP and managed by apcupsd, which is included with OpenSUSE.
> They are inexpensive and available in many computer and office supply
> stores.

OK. APC seems to be well represented in pretty much everywhere. I'll 
take a look at what they have to offer.

Thanks,
Tero Pesonen
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