[HamWAN PSDR] VOTE: $420 for a new Baldi UPS

Kenny Richards richark at gmail.com
Wed Nov 18 10:32:33 PST 2015


It looks like a rack mounted box, if this is the one Bart is looking at....

http://www.amazon.com/Tripp-Lite-SMART2200RM2U-Rackmount-Outlets/dp/B002S2KUZS

Thanks
Kenny

On Wed, Nov 18, 2015 at 10:08 AM, Rob Salsgiver <rob at nr3o.com> wrote:

> Sounds like a good approach.  Did some looking - price you've found is 1/2
> to 2/3rds of what is being "retailed" as a used unit - so it sounds like a
> good find wherever you located it.
>
> 2 questions:
>
> 1)  Is this rack or stand-alone?
> 2) What's our balance / do we need to raise funds?
>
> Cheers,
> Rob
>
> -----Original Message-----
> From: PSDR [mailto:psdr-bounces at hamwan.org] On Behalf Of Bart Kus
> Sent: Tuesday, November 17, 2015 9:57 PM
> To: Puget Sound Data Ring
> Subject: [HamWAN PSDR] VOTE: $420 for a new Baldi UPS
>
> Hello,
>
> We've known for a few months now that the UPS @ Baldi is bad.  It eats
> batteries at a high rate, so we don't wanna just buy another battery pack
> for it.  We also know that Baldi has many power events, even before this
> wind storm.  One of these outages was of just the right character to
> deadlock our server up there.  We had to physically go on site to reset
> it.  Yes, it locked up the iLO too! Another one of these outages (or
> surges) caused the death of Baldi-R1's power supply.  The site was dead
> until another physical trip replaced the router and its power supply.
>
> The perfect fit for this problem is something called an On-Line UPS.
> Unlike a normal UPS that kicks in when it senses power is down, an On-Line
> UPS does continuous AC->DC conversion of incoming power to charge the
> battery bank, and continuous DC->AC conversion from the battery bank to run
> the load.  Any fast events that might confuse a traditional relay-switching
> UPS, and allow dirty power to get to the load, are eliminated with the
> On-Line UPS design, because everything hits the battery bank first.  These
> types of UPSes are slightly more expensive than normal UPSes, but I did
> some digging to find the best deal here.
>
> The physical parts in this spending request are for a Tripp-Lite 2200VA
> UPS in new condition, a new set of batteries, and a network interface
> card.  I'm hesitant to post links to suppliers since the availability is
> limited.  The cost includes all shipping charges. The real price should be
> about $408.
>
> --Bart
>
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