I have a PS2 wired to the 12 starting battery of a generator which starts and stops a few times a day with no issues. The PS2 doesn't even reset when the gen starts and the battery pulls down to around 8~9 volts while the starter is cranking. When the gen runs the batt voltage goes to ~14.6.
Greg On Mon, Oct 15, 2012 at 1:50 PM, Josh Luthman <[email protected]>wrote: > ~12v should be OK by specs, but I've never heard of anyone doing such a > "low" voltage to a Ubnt device. Not sure if no ones tried it or it just > ended quickly in failure. > > Just be aware that 24v and 12v batteries have a higher voltage for > charging. > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > > On Mon, Oct 15, 2012 at 1:44 PM, Olufemi Adalemo <[email protected]>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 >> [email protected] >> >> >> >> >> On Fri, Oct 12, 2012 at 8:18 PM, Kristian Hoffmann >> <[email protected]>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 >>> [email protected] >>> >>> >>> >>> >>> On Fri, Oct 12, 2012 at 7:05 PM, Josh Luthman < >>> [email protected]> 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 >>>> <[email protected]>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 >>>>> [email protected] >>>>> >>>>> >>>>> >>>>> >>>>> On Fri, Oct 12, 2012 at 6:56 PM, Kristian Hoffmann < >>>>> [email protected]> 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 >>>>>> <[email protected]>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 >>>>>>> [email protected] >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> On Fri, Oct 12, 2012 at 6:17 PM, Josh Luthman < >>>>>>> [email protected]> 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 < >>>>>>>> [email protected]> 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 >>>>>>>>> [email protected] >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> _______________________________________________ >>>>>>>>> Wireless mailing list >>>>>>>>> [email protected] >>>>>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> Wireless mailing list >>>>>>>> [email protected] >>>>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Wireless mailing list >>>>>>> [email protected] >>>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Wireless mailing >>>>>> [email protected]http://lists.wispa.org/mailman/listinfo/wireless >>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Wireless mailing list >>>>>> [email protected] >>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>> >>>>>> >>>>> >>>>> _______________________________________________ >>>>> Wireless mailing list >>>>> [email protected] >>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>> >>>>> >>>> >>>> _______________________________________________ >>>> Wireless mailing list >>>> [email protected] >>>> http://lists.wispa.org/mailman/listinfo/wireless >>>> >>>> >>> >>> >>> _______________________________________________ >>> Wireless mailing >>> [email protected]http://lists.wispa.org/mailman/listinfo/wireless >>> >>> >>> >>> _______________________________________________ >>> Wireless mailing list >>> [email protected] >>> http://lists.wispa.org/mailman/listinfo/wireless >>> >>> >> >> _______________________________________________ >> Wireless mailing list >> [email protected] >> http://lists.wispa.org/mailman/listinfo/wireless >> >> > > _______________________________________________ > Wireless mailing list > [email protected] > http://lists.wispa.org/mailman/listinfo/wireless > >
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