yes Gino A. Villarini [EMAIL PROTECTED] Aeronet Wireless Broadband Corp. tel 787.273.4143 fax 787.273.4145
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Mark Nash Sent: Monday, July 10, 2006 1:14 PM To: WISPA General List Subject: Re: [WISPA] DC Inverter help Gino, are you saying a) that you've got external, non-APC batteries plugged into your UPS and b) that your UPS/SNMP card recognizes the charge level? Mark Nash Network Engineer UnwiredOnline.Net 350 Holly Street Junction City, OR 97448 http://www.uwol.net 541-998-5555 541-998-5599 fax ----- Original Message ----- From: "Gino A. Villarini" <[EMAIL PROTECTED]> To: "'WISPA General List'" <wireless@wispa.org> Sent: Monday, July 10, 2006 9:02 AM Subject: RE: [WISPA] DC Inverter help > We do it > > Gino A. Villarini > [EMAIL PROTECTED] > Aeronet Wireless Broadband Corp. > tel 787.273.4143 fax 787.273.4145 > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of Mark Nash > Sent: Monday, July 10, 2006 11:14 AM > To: WISPA General List > Subject: Re: [WISPA] DC Inverter help > > I'm curious if anyone has a) connected external batteries to an APC UPS... > AND ... used the APC SNMP card to monitor the status of battery > consumption. > > I currently use APC SU700NET UPSs in external 6"-deep boxes to condition > power and provide battery backup. The SNMP card (AP9617) will e-mail our > support if the site goes on battery power, giving us about 2.5 hours to > get > up the hill with a generator. When the batteries go below a threshold of > charge left, it e-mails to let us know it's in a critically low charge > state. > > So, if we put on extra batteries, does the UPS know this and does it know > what kind of runtime it has left? > > Mark Nash > Network Engineer > UnwiredOnline.Net > 350 Holly Street > Junction City, OR 97448 > http://www.uwol.net > 541-998-5555 > 541-998-5599 fax > ----- Original Message ----- > From: "Mac Dearman" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]>; "'WISPA General List'" > <wireless@wispa.org> > Sent: Sunday, July 09, 2006 8:15 PM > Subject: RE: [WISPA] DC Inverter help > > >> Brian, >> >> I guess I am an idiot because I hadn't thought of that! I don't have any >> (hardly) of my APC UPS's overloaded and it would probably be pretty easy >> to >> do that. I bought some rack mount Compaq 3000Watt UPS's for the NOC and >> tied >> 4 Gel Cell 100lb batteries to each of those Compaq's. That has been >> working >> like a charm, but it scares the fire out of me to mess around them. While >> connecting them I managed to arc the wires and that produced a ball of >> fire >> that was bigger than I was! I later found out those 4 12VDC batteries in >> a >> series (48VDC) produces more than enough DC voltage to knock your guts >> out >> while it blows the bottom of your feet off. >> >> Sorry for that story - but it may keep some of us from "leaving here >> early" >> >> Mac >> >> >> >> -----Original Message----- >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On >> Behalf Of Brian Webster >> Sent: Sunday, July 09, 2006 10:00 PM >> To: WISPA General List >> Subject: RE: [WISPA] DC Inverter help >> >> Mac, >> Can you tap in to the battery lines on the UPS and add extra >> external >> batteries to extend the run time? This would give you the advantage of >> conditioned power and automatic switch over of the UPS, and you would >> still >> have any other management features of the UPS still available to you. >> Just >> an idea to consider. >> >> >> >> Thank You, >> Brian Webster >> >> -----Original Message----- >> From: Mac Dearman [mailto:[EMAIL PROTECTED] >> Sent: Sunday, July 09, 2006 10:35 PM >> To: 'WISPA General List' >> Subject: RE: [WISPA] DC Inverter help >> >> >> >> Can anyone give me a lead as to what I am looking for? I believe this >> http://tinyurl.com/lje7s is what I need, but I don't think I need >> 400Watts >> as all I will be pulling at several new tower sites are a few RB532's >> with >> their radios. I think I ought to keep the RB532s powered at 48VDC as they >> will be in excess of 200' up a tower. My intentions are to put a couple >> Marine batteries in an enclosure for back up power and have the DC >> inverter >> to keep them charged and have a seamless transfer if a power outage comes >> along. I have been putting these big honking APC UPSs in all my >> enclosures, >> but am trying to get something that will last longer in times of outages >> >> Any help would surely be a appreciated. >> >> Thanks folks, >> Mac >> >> >> -- >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> >> >> >> -- >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> >> -- >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> > > > > -- > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > -- > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
