<p dir="ltr">I also think this is a worthwhile investment. Woohoo.</p>
<div class="gmail_quote">On Nov 18, 2015 22:30, "Nigel Vander Houwen" <<a href="mailto:nigel@nigelvh.com">nigel@nigelvh.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I think this is a good price, and a good idea to move forward with, I'll<br>
be working with the board to get a call scheduled for a vote.<br>
<br>
Nigel<br>
<br>
> Hello,<br>
><br>
> We've known for a few months now that the UPS @ Baldi is bad. It eats<br>
> batteries at a high rate, so we don't wanna just buy another battery<br>
> pack for it. We also know that Baldi has many power events, even before<br>
> this wind storm. One of these outages was of just the right character<br>
> to deadlock our server up there. We had to physically go on site to<br>
> reset it. Yes, it locked up the iLO too! Another one of these outages<br>
> (or surges) caused the death of Baldi-R1's power supply. The site was<br>
> dead until another physical trip replaced the router and its power supply.<br>
><br>
> The perfect fit for this problem is something called an On-Line UPS.<br>
> Unlike a normal UPS that kicks in when it senses power is down, an<br>
> On-Line UPS does continuous AC->DC conversion of incoming power to<br>
> charge the battery bank, and continuous DC->AC conversion from the<br>
> battery bank to run the load. Any fast events that might confuse a<br>
> traditional relay-switching UPS, and allow dirty power to get to the<br>
> load, are eliminated with the On-Line UPS design, because everything<br>
> hits the battery bank first. These types of UPSes are slightly more<br>
> expensive than normal UPSes, but I did some digging to find the best<br>
> deal here.<br>
><br>
> The physical parts in this spending request are for a Tripp-Lite 2200VA<br>
> UPS in new condition, a new set of batteries, and a network interface<br>
> card. I'm hesitant to post links to suppliers since the availability is<br>
> limited. The cost includes all shipping charges. The real price should<br>
> be about $408.<br>
><br>
> --Bart<br>
><br>
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<br>
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</blockquote></div>