RE: [WISPA] DC PoE

2007-11-16 Thread Mike Bushard, Jr 
I think HyperLink has something like that. I looked at their reverse pinout
model for canopy.

Mike Bushard, Jr
Wisper Wireless Solutions, LLC
320-256-WISP (9477)
320-256-9478 Fax
 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Mike Hammett
Sent: Friday, November 16, 2007 11:50 AM
To: WISPA General List
Subject: [WISPA] DC PoE

Does anyone know of a PoE injector that will output 24 v (for RotuerBoards)
and accepts a ~24 vDC input?  Looking to add external batteries to an APC
1400 and then just tap the ~24 vDC right off the battery.  Save some AC\DC
conversions.

I would also like to note that apparently the APC  isn't a true 24v...  one
I have on my tower now is 27v.  Would this be an issue?


-
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com





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RE: [WISPA] DC PoE

2007-11-16 Thread Dennis Burgess 
We dropped in a dual solar panel unit with 4 car batteries at 12 volt, a
charging controller, and a single 532 with dual SR2 radios on it.  

Ran the 12 volt from the chaging controller (hook up for batteries, solar
panels, and then output ), and plugged it directly into one of them 1/2 moon
POE injectors ran cat5 up and has yet to fail, almost a year running now.
 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of [EMAIL PROTECTED]
Sent: Friday, November 16, 2007 12:48 PM
To: WISPA General List
Subject: Re: [WISPA] DC PoE

This is probably gonna sound dumb, but a routerboard has a built in voltage
regulator, that's the reason it can take anywhere from about 11VDC to 27VDC
(I believe it's not 24 max but 27)... Factor in the losses in the cable
length it should be down a few volts.  But what I wanted to tell you is
that's a GREAT idea - I never thought of using battery power directly on my
towers, always looking for some kind of charger/inverter setup, but end up
using inefficient AC adapters on the UPS.. As far as injectors, I use
anywhere from 12VDC to 24VDC right into a passive injector with no problems
(injector max 60VDC).

Remember to use a FUSE!

On Fri, 16 Nov 2007 11:50:25 -0600, "Mike Hammett"
<[EMAIL PROTECTED]> wrote:
> Does anyone know of a PoE injector that will output 24 v (for
RotuerBoards)
> and accepts a ~24 vDC input?  Looking to add external batteries to an APC
> 1400 and then just tap the ~24 vDC right off the battery.  Save some
AC\DC
> conversions.
> 
> I would also like to note that apparently the APC  isn't a true 24v... 
> one I have on my tower now is 27v.  Would this be an issue?
> 
> 
> -
> Mike Hammett
> Intelligent Computing Solutions
> http://www.ics-il.com
> 
> 
> 
>


> WISPA Wants You! Join today!
> http://signup.wispa.org/
>


> 
> WISPA Wireless List: wireless@wispa.org
> 
> Subscribe/Unsubscribe:
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RE: [WISPA] DC PoE

2007-11-16 Thread D. Ryan Spott 
Don't know if this helps you, but it might!



Hit that link and you can convert from whatever to whatever.. I would avoid
the Zane as I have had nothing but problems with them and getting
information from them is near impossible as they think you are trying to
steal trade secrets from them.

I use the EQ12/24-20 to provide 24VDC to a Tranzeo TR-6500 from a 12VDC
battery bank.

If you call Backwoods, ask for Terry and tell him who sent you. Then he can
roll his eyes at my and his daughter for marrying me while we eat Christmas
dinner! :)

ryan

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Mike Hammett
Sent: Friday, November 16, 2007 9:50 AM
To: WISPA General List
Subject: [WISPA] DC PoE

Does anyone know of a PoE injector that will output 24 v (for RotuerBoards)
and accepts a ~24 vDC input?  Looking to add external batteries to an APC
1400 and then just tap the ~24 vDC right off the battery.  Save some AC\DC
conversions.

I would also like to note that apparently the APC  isn't a true 24v...  one
I have on my tower now is 27v.  Would this be an issue?


-
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com





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Re: [WISPA] DC PoE

2007-11-16 Thread dougr 
This is probably gonna sound dumb, but a routerboard has a built in voltage
regulator, that's the reason it can take anywhere from about 11VDC to 27VDC
(I believe it's not 24 max but 27)... Factor in the losses in the cable
length it should be down a few volts.  But what I wanted to tell you is
that's a GREAT idea - I never thought of using battery power directly on my
towers, always looking for some kind of charger/inverter setup, but end up
using inefficient AC adapters on the UPS.. As far as injectors, I use
anywhere from 12VDC to 24VDC right into a passive injector with no problems
(injector max 60VDC).

Remember to use a FUSE!

On Fri, 16 Nov 2007 11:50:25 -0600, "Mike Hammett"
<[EMAIL PROTECTED]> wrote:
> Does anyone know of a PoE injector that will output 24 v (for
RotuerBoards)
> and accepts a ~24 vDC input?  Looking to add external batteries to an APC
> 1400 and then just tap the ~24 vDC right off the battery.  Save some
AC\DC
> conversions.
> 
> I would also like to note that apparently the APC  isn't a true 24v... 
> one I have on my tower now is 27v.  Would this be an issue?
> 
> 
> -
> Mike Hammett
> Intelligent Computing Solutions
> http://www.ics-il.com
> 
> 
> 
>

> WISPA Wants You! Join today!
> http://signup.wispa.org/
>

> 
> WISPA Wireless List: wireless@wispa.org
> 
> Subscribe/Unsubscribe:
> http://lists.wispa.org/mailman/listinfo/wireless
> 
> Archives: http://lists.wispa.org/pipermail/wireless/





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