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: [email protected] > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ ---------------------------------------------------------------------------- ---- WISPA Wants You! Join today! http://signup.wispa.org/ ---------------------------------------------------------------------------- ---- WISPA Wireless List: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
