Hooked up properly, you should be able to put in as many as you want/have
space for.
Can anyone share how to hook up batteries in parallel vs. series?
Also, once you put in the SNMP card, you can tell it how many external
batteries you have. This is a way of estimating how much runtime you will
have. It's not accurate, because you're using different batteries than it
expects. For 2 batteries, I enter in 4 external batteries for this value.
It is as close as I've found you can get it.
Mark Nash
UnwiredOnline.Net
350 Holly Street
Junction City, OR 97448
http://www.uwol.net
541-998-5555
541-998-5599 fax
----- Original Message -----
From: "George Rogato" <[EMAIL PROTECTED]>
To: "WISPA General List" <wireless@wispa.org>
Sent: Tuesday, November 13, 2007 7:32 AM
Subject: Re: [WISPA] Which UPS to use?
Thanks for the advice. I'm going to try one.
I'm wondering how many batteries I can gang together using the ups you
mentioned.
George
Mark Nash wrote:
UPS - $45 on ebay (buy one without batteries)
SNMP card - $125 on ebay
2 batteries & 2 outdoor battery compartments: $150-$175 (more, depending
on battery quality). I get mine at Bimart.
misc connectors & wire $20
I had one site up for 36 hours with Trango Tlink, small switch, and
Tranzeo AP. I thnk that's best-case-scenario.
Mark Nash
UnwiredOnline
350 Holly Street
Junction City, OR 97448
http://www.uwol.net
541-998-5555
541-998-5599 fax
----- Original Message ----- From: "George Rogato"
<[EMAIL PROTECTED]>
To: "WISPA General List" <wireless@wispa.org>
Sent: Monday, November 12, 2007 2:32 PM
Subject: Re: [WISPA] Which UPS to use?
Not sure how much I need really. It's the downtime.
This one pop has a trango, a wrap a metro and a cheap switch. Usually
when it looses power it could be 24 hours or more.
With your set up, how much do you pay including the 2 rv batteries and
how long have you had for a power outage?
I just ordered one of the cheapo generics for my house to check out.
But generic usually leaves that feeling of uncertainty that makes me
uneasy.
Mark Nash wrote:
George, are you really needing that much? 3KVA? Or is it the higher
battery capacity you're wanting?
I buy used APC Smart-UPS SU700NET from ebay, without batteries. Then
I buy
a couple RV batteries and hook them up (outside the enclosure, of
course).
I put in a AP9617 SNMP device and it gives me a little remote control
w/e-mail notification. Doesn't do everything I want (PDU-ability to
power
off each receptacle individually, watchdog).
On a remote site, it'll give anywhere from 12-24 hours depending on
load &
whatchya got out there...
Mark Nash
UnwiredOnline.Net
350 Holly Street
Junction City, OR 97448
http://www.uwol.net
541-998-5555
541-998-5599 fax
----- Original Message ----- From: "George Rogato"
<[EMAIL PROTECTED]>
To: "WISPA General List" <wireless@wispa.org>
Sent: Monday, November 12, 2007 11:27 AM
Subject: [WISPA] Which UPS to use?
I need to buy a few ups's for some remote pops.
I was looking at APC and the place I buy stuff from had these:
http://www.pacificgeek.com/product.asp?ID=52353&C=216&S=-1
Is this worth buying, or should I go with APC at twice the price?
http://www.apcc.com/resource/include/techspec_index.cfm?base_sku=SUA3000
--
George Rogato
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