How much do you want to spend? Greg
On Sep 20, 2011, at 2:17 PM, Patrick D. Nix, Jr wrote: > What’s a good model to look for? They seem kind of pricey. > > > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of Greg Ihnen > Sent: Tuesday, September 20, 2011 12:11 PM > To: WISPA General List > Subject: Re: [WISPA] Power for tower sites > > I was going to mention Xantrex as a contender. They used to be Trace > Engineering. They make a decent inverter. Tripp Lite makes some special high > quality high reliability inverters for things like ambulances if you need > something a cut above. The cream of the crop is the Outback. > > Greg > On Sep 20, 2011, at 12:36 PM, Dorn Hetzel wrote: > > > I have had good luck with some of my servers using a xantrex inverter/charger > and a pile of wal-mart car batteries. It's not pretty but I have had no > power drops in a couple of years. Since the unit is designed for RVs etc, it > will keep the 12v pile charged even in the face of 12v drain, so you can > drive both 120vac and 12vdc loads off the same setup. It will charge the > batteries when they need it and ac is available, and float them after they > are charged, and use the batteries to provide ac if the mains ac disappears. > You decide how big a pile of batteries to attach... > > On Tue, Sep 20, 2011 at 12:59 PM, Patrick D. Nix, Jr > <pni...@cnetworksolutions.com> wrote: > Whatever works best for reasonable $ :-) it's been a nightmare so far. > Starting to upset customers. > > Sent from my iPhone > > On Sep 20, 2011, at 11:55 AM, "Chris Hudson" <ch...@htswireless.com> wrote: > > Is this just while using the Jack? Via POE, 24V is the way to go.. IMO. > > Do you want to make a full conversion to DC? Or just replace the typical UPS > setup? > > Chris > > > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of Justin Wilson > Sent: Tuesday, September 20, 2011 11:52 AM > To: WISPA General List > Subject: Re: [WISPA] Power for tower sites > > Careful on powering most Mikrotiks with 24 volt. We have found, > and verified with roc-noc and some others, that many of the MT boards will > get hot with 24 volts to the DC jack and lockup and other weirdness. > > Justin > > -- > Justin Wilson <j...@mtin.net> > Aol & Yahoo IM: j2sw > http://www.mtin.net/blog – xISP News > http://www.twitter.com/j2sw – Follow me on Twitter > > From: "Patrick D. Nix, Jr" <pni...@cnetworksolutions.com> > Reply-To: WISPA General List <wireless@wispa.org> > Date: Tue, 20 Sep 2011 11:45:49 -0500 > To: WISPA General List <wireless@wispa.org> > Subject: [WISPA] Power for tower sites > > Currently we are having some horrible issues with power at our tower sites. > Our current configuration is that we have tripplite smart 500VA rackmout UPS > connected to deep cycle marine battery. This seems to work OK for a month or > so and then kills either the battery or the UPS or both. We then notice that > the equipment at the tower will power off (battery shuts down for about 10 > min) and then powers back on. This happens almost daily and in some cases > multiple times in a day. I think it may have to do with the output volts of > the battery not being high enough for the UPS to operate. We are desperately > looking for other alternatives to what we are doing to resolve this issue. > Most equipment will operate at 12/24 volt. 1x Mikrotik, 2x Trango AP, 2x > Trango Link45, 4x UBNT Rocket. Any suggestions are appreciated. > > Pat > Csweb.net > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! http://signup.wispa.org/ > -------------------------------------------------------------------------------- > WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless Archives: > http://lists.wispa.org/pipermail/wireless/ > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1410 / Virus Database: 1520/3908 - Release Date: 09/20/11 > > > > -------------------------------------------------------------------------------- > > WISPA Wants You! 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