Re: Redundant Power Supply or battery backup for net6501

This mini-box.com is really a nice site - especially the how swap sharing
controller which could be used to connect two different usv packed up power
supplies to one soekris board. I have still some external power supplies
for my old 5501 laying around ...


On Mon, Aug 4, 2014 at 5:08 PM, Chris Boot <[email protected]> wrote:

> Hi Andreas,
>
> I haven't installed it in any of the Soekris cases, sorry - in fact I
> haven't used it with Soekris gear at all yet, but there is no reason it
> wouldn't work.
>
> HTH,
> Chris
>
> On 04/08/14 16:06, Andreas Steinel wrote:
> > Hi Chris,
> >
> > The OpenUPS2 looks really nice and has a 2,5'' mount option. Have you
> > installed it in a rackmount case? Should fit, shouldn't it?
> >
> > On Fri, Aug 1, 2014 at 10:36 PM, Chris Boot <[email protected]> wrote:
> >> On 01/08/2014 17:54, Andreas Steinel wrote:
> >>> Hi Greg,
> >>> Hi List,
> >>>
> >>> On Fri, Aug 1, 2014 at 12:49 PM, Greg Troxel <[email protected]> wrote:
> >>>> I have a net5501, and measured that with a 2.5" disk (not ssd) it
> draws
> >>>> about 500 mA at 12V.  I have it connected to several sealed lead-acid
> >>>> batteries in parallel, typically a 12Ah and two 7Ah.  These batteries
> >>>> are on float charge to keep them at 13.5V when there is AC power from
> >>>> the utility.  When the utility power fails, the net5501 continues to
> >>>> run, and should last for many hours.
> >>>
> >>> Thank you for sharing your solution. How is the (complete) schematic
> >>> for your setup (I saw the fuses and bypass capacitor missing schematic
> >>> of phk which uses a similar setup as yours)? Is there also a charge
> >>> protecting circuit involved or is the battery charging restricted
> >>> (e.g. delta-V)?
> >>
> >> Personally, I use Mini-Box OpenUPS devices:
> >>
> >> http://www.mini-box.com/OpenUPS
> >> http://www.mini-box.com/OpenUPS2
> >>
> >> They have proper charge controllers on board for all kinds of battery
> >> chemistries, and work really nicely.
> >>
> >>> What is the current state of the onboard NiMH loader?
> >>
> >> Vaporware, fairy dust, rocking horse sh*t, unobtainium, etc...
> >>
> >> As far as this list is aware, nobody has ever seen it in working order.
> >>
> >> HTH,
> >> Chris
> >>
> >> --
> >> Chris Boot
> >> [email protected]
>
> --
> Chris Boot
> [email protected]
>

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