Similar to the last post what I often see is two UPS units coming from
two power grids/companies.



On 10/24/08, Gino Villarini <[EMAIL PROTECTED]> wrote:
> We have a reason for this, we design our sites with dual power work ease
> of work ...Side A and Side B.  Side A is connected to the UPS Plant,
> Side B to Utility.  In Case Of UPS failure, we are not out.
>
>
>
> Gino A. Villarini
> [EMAIL PROTECTED]
> Aeronet Wireless Broadband Corp.
> tel  787.273.4143   fax   787.273.4145
>
> ________________________________
>
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> Behalf Of Blair Davis
> Sent: Friday, October 24, 2008 1:44 AM
> To: WISPA General List
> Subject: Re: [WISPA] Dual Power Supply, how to?
>
>
>
> Yes, you could do this....
>
> You will need to pick the right diode for the job.
>
> But what brings this on?
>
> I've had almost no PS failures that were not part of some major damage.
> (lightning, power co. problem...  480V on 110V line)
>
> If you are having many PS failures, you might look at the load vs the PS
> rating.  Don't forget the radio cards...
>
>
>
> CHUCK PROFITO wrote:
>
> OK guys, don't LOL, I'm just a farm boy, but...
> Why couldn't you put two power supplies together into one plug, then if
> one
> failed the other would do full duty. Would a diode inline on both stop a
> possible transformer shorting the other out or draining  the power from
> the
> good one?
> Can that work?
>
> Chuck Profito
> 209-988-7388
> CV-ACCESS, INC
> [EMAIL PROTECTED]
> Providing High Speed Broadband
> to Rural Central California
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> Behalf Of RickG
> Sent: Thursday, October 23, 2008 8:26 PM
> To: WISPA General List
> Subject: Re: [WISPA] Dual Power Supply, how to?
>
> Why not use two power supplies, one on the dc jack and the other on
> the poe connection? -RickG
>
> On Thu, Oct 23, 2008 at 7:59 PM, Gino Villarini <[EMAIL PROTECTED]>
> <mailto:[EMAIL PROTECTED]>  wrote:
>
>
>       Hello all
>       
>       Im looking for a way to add redundant power to my mikrotik
> routers at
>       the towers,  The routers have a DC jack, so im looking for
> options..
>       
>       Anything available? Or would I have to make my own?
>       
>       Gino A. Villarini
>       [EMAIL PROTECTED]
>       Aeronet Wireless Broadband Corp.
>       tel  787.273.4143   fax   787.273.4145
>       
>       
>       
>       
>       
>
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-- 
Josh Luthman
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Those who don't understand UNIX are condemned to reinvent it, poorly.
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