Re: Redundant Power Supply or battery backup for net6501

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]