UPS Suggestions?

[Thomas D Arman]

Adding extra batteries and/or increasing the size of the original battery 
will increase the runtime and NOT increase the Watts/VA capability of the 
UPS.

Much like putting a bigger gas tank in you car allows it to go farther NOT 
faster :-)

Tom

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Thomas (Tom) Arman

xtensionlist-bounces at shed.com wrote on 07/14/2005 10:47:44 AM:

> Please forgive my confusion Chuck -- probably not enough coffee yet this 
AM ;-)
> 
> Is it just a "Bulldog" failing that the program does not sense 
restoration of 
> power, does not facilitate a restart? Or is this a problem with OS X 
10.3 power 
> management as well?
> 
> Are you advising that the user -should- connect the USB monitoring, but 
use it only
> with "MacReporter"? With or without any particular energy saver pane 
settings? (I'm
> not familiar with MacReporter functionality.)
> 
> If in buying a UPS, one succeeds in getting "an ample power supply to 
cover all 
> needs" -- then why would he subsequently "get a big battery and 
eliminate the one 
> that came with it"?  I've always thought that the "800va" recommended is 

> essentially a characteristic of the OEM battery. Also, if one does get a 
second 
> battery, could it be wired in parallel with the original one to increase 
the va rating?
> 
> Am I correct in reading that the "deals on the web" to seek would be for 
deep 
> discharge RV batteries? If one uses a more capacious RV battery, will 
the charging 
> circuits in the UPS (designed for a smaller battery) be robust enough to 
recover it
> from deep discharge and keep it charged?
> 
> Thanks for clarification :-)
> 
> Bill
> 
> On July 13, at 9:34 PM, Chuck Coleman wrote:
> 
> > Don't get me started on UPS's. I had to find out the hard way how to 
> > configure them to keep my machine going.
> > 
> > First off if you get one that will communicate with the computer 
> > don't set it to turn off if the UPS battery starts to fail. If you do 
> > this the computer will shut down and that is it. It will not restart. 
> > I have tried Belkin, APC and a few others and none of them will 
> > restart if they shut down due to low battery. Make sure you set it up 
> > so that it just dies and doesn't shut down. Then the computer will do 
> > an auto restart (if  you have the preferences set that way).
> > 
> > The most common program is Bulldog. I have never installed it after 
> > my first experience with it shutting down and not restarting after 
> > the power came back on. Now I just plug it in to the UPS and do 
> > nothing with the preferences. You can use the built in power 
> > management in OSX 10.3x or higher to do something if the battery 
> > starts to die but I have found that the program doesn't really read 
> > what is left in the battery and just shuts down right away (then 
> > doesn't restart).
> > 
> > Second, get an ample power supply to cover all your needs. Most 
> > people get one that is slightly above what is needed and they will 
> > reach the limit if they plug in a few other things. I have an 800va 
> > for my server and will not get one less that 600va.
> > 
> > Third, get a big battery and eliminate the one that came with it. I 
> > use a deep cycle RV battery (with venting to outside the house) and 
> > it will run for hours and maybe even a whole day. Since most outages 
> > last seconds or minutes most setups will do just fine. But if there 
> > is a big one that lasts a few hours a nice backup is worth it.
> > 
> > Get a program called MacReporter on Versiontracker and install it. 
> > Then select deals on the web, dealmac and dealnews and keep an eye on 
> > the sales. Many times you can get them for really cheap and free 
> > shipping. I have about 10 that I use for all my electronics like TV, 
> > stereo, all my computers, and the big one for my server (with the 
> > extra battery).
> > 
> > Chuck
> > 
> > 
> > On Jul 13, 2005, at 4:48 PM, Jerry wrote:
> > 
> > > My XTension machine is an original XServe and I'd like to put a UPS 
> > > on it before I leave so the wife doesn't come home to a dark house 
> > > at night.  I'd like any suggestions you might have as to what brand 
> > > name and size of UPS I should purchase.  The only other devices 
> > > that I'd power by the UPS would be a USB hub so I don't believe it 
> > > would take all that much more power.
> > >
> > > Anyone?
> >