Doesn't UBNT gear take up to 30v? Greg
On Mon, Oct 15, 2012 at 4:22 PM, Jeromie Reeves <jree...@18-30chat.net>wrote: > Why not run the NSM5 on 24v? Just add a diode or two to the + side, > the 1v drop on them will protect the NSM from > the charge voltage of the bank. $2 fix > > On Mon, Oct 15, 2012 at 10:44 AM, Olufemi Adalemo <adal...@gmail.com> > wrote: > > It just dawned on me that I may have been barking up the wrong tree > > I only have the one NSM5 to connect, I could hook this up to the parallel > > segment of my battery bank and get only 12v while the rest of the > > installation that's connected in series gets 24v. Do you think this will > > work? Don't really have to worry about the NSM5 running down the battery > > cause load is low and the cable run is under 10m so the voltage drop from > > 12v will be negligible > > > > So this is how it would be: > > 24v solar panel connected to 24v charge controller with 4 x 12v batteries > > connected in a 2x2 series/parallel array. cable connected to the parallel > > segment of battery bank (theoretically giving 12v to the NSM5), rest of > the > > load connected to the charge controller at 24v > > > > What do you think? > > > > - - - > > Olufemi Adalemo > > M: +234-803-5610040 > > M: +234-809-8610040 > > f...@adalemo.com > > > > > > > > > > On Fri, Oct 12, 2012 at 8:18 PM, Kristian Hoffmann <kh...@fire2wire.com> > > wrote: > >> > >> Ya, it should be +24 on pins 4,5 and -24/comm on 7,8. If it blew up > then > >> there was probably a short somewhere. > >> > >> -Kristian > >> > >> > >> On 10/12/2012 11:11 AM, Olufemi Adalemo wrote: > >> > >> Ah ok, it is possible that the guys didn't get the polarity right > >> I will check though they swear that they did > >> > >> > >> - - - > >> Olufemi Adalemo > >> M: +234-803-5610040 > >> M: +234-809-8610040 > >> f...@adalemo.com > >> > >> > >> > >> > >> On Fri, Oct 12, 2012 at 7:05 PM, Josh Luthman > >> <j...@imaginenetworksllc.com> wrote: > >>> > >>> What voltage were the batteries spitting out? They charge at 27v but > >>> without a charger put out much closer to 24v until they begin > discharging. > >>> If it fried the radio I would first think that it was connected wrong, > not > >>> that the voltage was too high. > >>> > >>> Josh Luthman > >>> Office: 937-552-2340 > >>> Direct: 937-552-2343 > >>> 1100 Wayne St > >>> Suite 1337 > >>> Troy, OH 45373 > >>> > >>> > >>> On Fri, Oct 12, 2012 at 2:02 PM, Olufemi Adalemo <adal...@gmail.com> > >>> wrote: > >>>> > >>>> What's your typical config for the NSM5? > >>>> Some of my guys just tried to power one off a 24v battery bank (no > >>>> charger connected just battery) and it fried good > >>>> > >>>> - - - > >>>> Olufemi Adalemo > >>>> M: +234-803-5610040 > >>>> M: +234-809-8610040 > >>>> f...@adalemo.com > >>>> > >>>> > >>>> > >>>> > >>>> On Fri, Oct 12, 2012 at 6:56 PM, Kristian Hoffmann < > kh...@fire2wire.com> > >>>> wrote: > >>>>> > >>>>> We have MT and Ubnt equipment of all shapes and sizes running at > 27.6V. > >>>>> The only problems we've had are a handful of freak RB411s that won't > power > >>>>> on with >27V. Most of the older ones wouldn't kick into overvoltage > >>>>> protection until >28V, but we've come across a few odd balls. > >>>>> > >>>>> -Kristian > >>>>> > >>>>> > >>>>> On 10/12/2012 10:44 AM, Josh Luthman wrote: > >>>>> > >>>>> Charger isn't going to spit out 24v for batteries that need charged, > >>>>> it's usually 27v. > >>>>> > >>>>> I was under the impression they would simply lock up and you could > >>>>> reboot, or maybe I'm just thinking of MT. > >>>>> > >>>>> Josh Luthman > >>>>> Office: 937-552-2340 > >>>>> Direct: 937-552-2343 > >>>>> 1100 Wayne St > >>>>> Suite 1337 > >>>>> Troy, OH 45373 > >>>>> > >>>>> > >>>>> On Fri, Oct 12, 2012 at 10:08 PM, Olufemi Adalemo <adal...@gmail.com > > > >>>>> wrote: > >>>>>> > >>>>>> Aha, thanks > >>>>>> That explains why I have a dead NSM5 on my desk > >>>>>> I guess the charge controller is not very good at giving out 24v > >>>>>> regulated power > >>>>>> > >>>>>> - - - > >>>>>> Olufemi Adalemo > >>>>>> M: +234-803-5610040 > >>>>>> M: +234-809-8610040 > >>>>>> f...@adalemo.com > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> On Fri, Oct 12, 2012 at 6:17 PM, Josh Luthman > >>>>>> <j...@imaginenetworksllc.com> wrote: > >>>>>>> > >>>>>>> Yes you will. The batteries will probably be around 27v which Ubnt > >>>>>>> won't like. You'll need to clean the ~18-27v from the batteries > to 24v. > >>>>>>> > >>>>>>> Josh Luthman > >>>>>>> Office: 937-552-2340 > >>>>>>> Direct: 937-552-2343 > >>>>>>> 1100 Wayne St > >>>>>>> Suite 1337 > >>>>>>> Troy, OH 45373 > >>>>>>> > >>>>>>> > >>>>>>> On Fri, Oct 12, 2012 at 1:14 PM, Olufemi Adalemo < > adal...@gmail.com> > >>>>>>> wrote: > >>>>>>>> > >>>>>>>> Need help, > >>>>>>>> I'm looking to deploy a UBNT NSM5 powered by a 24v solar supply. > >>>>>>>> Does anyone have experience with this? The data sheet shows that > it > >>>>>>>> requires a 24v supply however the POE injector supplied is 15v, > do I need a > >>>>>>>> DC to DC converter? > >>>>>>>> > >>>>>>>> Best regards, > >>>>>>>> - - - > >>>>>>>> Olufemi Adalemo > >>>>>>>> M: +234-803-5610040 > >>>>>>>> M: +234-809-8610040 > >>>>>>>> f...@adalemo.com > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> _______________________________________________ > >>>>>>>> Wireless mailing list > >>>>>>>> Wireless@wispa.org > >>>>>>>> http://lists.wispa.org/mailman/listinfo/wireless > >>>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> _______________________________________________ > >>>>>>> Wireless mailing list > >>>>>>> Wireless@wispa.org > >>>>>>> http://lists.wispa.org/mailman/listinfo/wireless > >>>>>>> > >>>>>> > >>>>>> > >>>>>> _______________________________________________ > >>>>>> Wireless mailing list > >>>>>> Wireless@wispa.org > >>>>>> http://lists.wispa.org/mailman/listinfo/wireless > >>>>>> > >>>>> > >>>>> > >>>>> > >>>>> _______________________________________________ > >>>>> Wireless mailing list > >>>>> Wireless@wispa.org > >>>>> http://lists.wispa.org/mailman/listinfo/wireless > >>>>> > >>>>> > >>>>> > >>>>> _______________________________________________ > >>>>> Wireless mailing list > >>>>> Wireless@wispa.org > >>>>> http://lists.wispa.org/mailman/listinfo/wireless > >>>>> > >>>> > >>>> > >>>> _______________________________________________ > >>>> Wireless mailing list > >>>> Wireless@wispa.org > >>>> http://lists.wispa.org/mailman/listinfo/wireless > >>>> > >>> > >>> > >>> _______________________________________________ > >>> Wireless mailing list > >>> Wireless@wispa.org > >>> http://lists.wispa.org/mailman/listinfo/wireless > >>> > >> > >> > >> > >> _______________________________________________ > >> Wireless mailing list > >> Wireless@wispa.org > >> http://lists.wispa.org/mailman/listinfo/wireless > >> > >> > >> > >> _______________________________________________ > >> Wireless mailing list > >> Wireless@wispa.org > >> http://lists.wispa.org/mailman/listinfo/wireless > >> > > > > > > _______________________________________________ > > Wireless mailing list > > Wireless@wispa.org > > http://lists.wispa.org/mailman/listinfo/wireless > > > _______________________________________________ > Wireless mailing list > Wireless@wispa.org > http://lists.wispa.org/mailman/listinfo/wireless >
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