Many UBNT deployments running at 27volts of clean DC power. Not saying
it's ideal but it works.
Justin
-----Original Message-----
From: Matt Hoppes <mhop...@indigowireless.com>
Reply-To: WISPA General List <wireless@wispa.org>
Date: Wednesday, October 17, 2012 9:25 PM
To: WISPA General List <wireless@wispa.org>
Subject: Re: [WISPA] Another Ubiquity question
>The forums and Matt Hardy I believe will back this up. You'll fry at
>over 27 volts.
>
>Kristian Hoffmann <kh...@fire2wire.com> wrote:
>
>>Can you reveal your source?
>>
>>-Kristian
>>
>>On 10/17/2012 06:50 AM, Steve Barnes wrote:
>>>
>>> II was told NO!! <27VDC
>>>
>>> Steve Barnes
>>>
>>> General Manager
>>>
>>> PCS-WIN / RC-WiFi <http://www.rcwifi.com/>
>>>
>>> *From:*wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org]
>>
>>> *On Behalf Of *Greg Ihnen
>>> *Sent:* Wednesday, October 17, 2012 7:35 AM
>>> *To:* WISPA General List
>>> *Subject:* Re: [WISPA] Another Ubiquity question
>>>
>>> Doesn't UBNT gear take up to 30v?
>>>
>>> Greg
>>>
>>> On Mon, Oct 15, 2012 at 4:22 PM, Jeromie Reeves
>><jree...@18-30chat.net
>>> <mailto: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
>>> <mailto: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 <mailto:f...@adalemo.com>
>>> >
>>> >
>>> >
>>> >
>>> > On Fri, Oct 12, 2012 at 8:18 PM, Kristian Hoffmann
>>> <kh...@fire2wire.com <mailto: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 <tel:%2B234-803-5610040>
>>> >> M: +234-809-8610040 <tel:%2B234-809-8610040>
>>> >> f...@adalemo.com <mailto:f...@adalemo.com>
>>> >>
>>> >>
>>> >>
>>> >>
>>> >> On Fri, Oct 12, 2012 at 7:05 PM, Josh Luthman
>>> >> <j...@imaginenetworksllc.com <mailto: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 <tel:937-552-2340>
>>> >>> Direct: 937-552-2343 <tel: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 <mailto: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 <tel:%2B234-803-5610040>
>>> >>>> M: +234-809-8610040 <tel:%2B234-809-8610040>
>>> >>>> f...@adalemo.com <mailto:f...@adalemo.com>
>>> >>>>
>>> >>>>
>>> >>>>
>>> >>>>
>>> >>>> On Fri, Oct 12, 2012 at 6:56 PM, Kristian Hoffmann
>>> <kh...@fire2wire.com <mailto: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 <tel:937-552-2340>
>>> >>>>> Direct: 937-552-2343 <tel: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 <mailto: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 <tel:%2B234-803-5610040>
>>> >>>>>> M: +234-809-8610040 <tel:%2B234-809-8610040>
>>> >>>>>> f...@adalemo.com <mailto:f...@adalemo.com>
>>> >>>>>>
>>> >>>>>>
>>> >>>>>>
>>> >>>>>>
>>> >>>>>> On Fri, Oct 12, 2012 at 6:17 PM, Josh Luthman
>>> >>>>>> <j...@imaginenetworksllc.com
>>> <mailto: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 <tel:937-552-2340>
>>> >>>>>>> Direct: 937-552-2343 <tel: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 <mailto: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 <mailto:f...@adalemo.com>
>>> >>>>>>>>
>>> >>>>>>>>
>>> >>>>>>>>
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>--
>Matt Hoppes
>Director of Information Technology
>Indigo Wireless
>1 (570) 723-7312
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