Because batteries are 27v. On Oct 18, 2012 10:45 AM, "Faisal Imtiaz" <[email protected]> wrote:
> Call me Stupid... but what is the point of this discussion ? > > Operating the Radios @ 27V is exceeding the Mfg. Specs. ..... > Will they work ? maybe... > Will they fail ? maybe.... > If you burn them up..... you are on your own.. ? or at least at > UBNT's discretion, since you are voiding the warranty, by operating our > of Specs. > Will it shorten the life of the Radio ? maybe... > Will is just work fine ? maybe..... > > This reminds me of the discussions on the CPU Over-Clockers Forum...... > If you want to play, sure nothing wrong with that.. but you are on > your own .. > If you expect it to preform well for a long time, then it is best to > stay within the Mfg. Specs ... > > I have often said this to folks.... In our industry, when you exceed > Specs.... things don't just 'break'.... but they do start doing 'funky > stuff'.... > > Of Course YMMV > > :) > > Faisal Imtiaz > Snappy Internet & Telecom > > On 10/18/2012 10:06 AM, Justin Wilson wrote: > > We see 27.3 volts at the battery. And 27.1 volts at the top with > no load. > > Obviously load will have an impact on this. > > > > Justin > > > > -----Original Message----- > > From: Jeromie Reeves <[email protected]> > > Reply-To: WISPA General List <[email protected]> > > Date: Thursday, October 18, 2012 9:15 AM > > To: WISPA General List <[email protected]> > > Subject: Re: [WISPA] Another Ubiquity question > > > >> That depends on wire size. That distance is not going to be ethernet > >> so I will assume #12 AWG, 400ft, copper wire, etc. You should be > >> seeing a 5.6% drop under a 1amp load or about 25v under load. > >> > >> > >> On Thu, Oct 18, 2012 at 6:02 AM, Justin Wilson <[email protected]> wrote: > >>> 27 volts at the base. DC has very little loss over 400-500 > foot > >>> distances. We are seeing about .1 volt loss on a 400 foot run. > >>> > >>> -----Original Message----- > >>> From: Scott Lambert <[email protected]> > >>> Reply-To: WISPA General List <[email protected]> > >>> Date: Thursday, October 18, 2012 12:16 AM > >>> To: <[email protected]> > >>> Subject: Re: [WISPA] Another Ubiquity question > >>> > >>>> On Wed, Oct 17, 2012 at 10:14:03PM -0400, Justin Wilson wrote: > >>>>> Many UBNT deployments running at 27volts of clean DC power. Not > >>>>> saying it's ideal but it works. > >>>> 27v at the ethernet port or 27v at the base of the tower? > >>>> > >>>> -- > >>>> Scott Lambert KC5MLE Unix > >>>> SysAdmin > >>>> [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 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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