[ale] APC UPS at Sams :P (1100VA for $118)

[Courtney Thomas]

Is there any way to rig a SmartUPS to act as fire alarm ?

What is required and who has it ?

Thank you.



Dow Hurst wrote:

> BackUPS will not adjust the power to keep the voltage constant.  BackUPS 
> Pro are supposed to.  SmartUPS are able to adjust the power during 
> brownouts and overvoltages and you can decide the level of sensitivity.  
> Once the voltage drops to a certain point or rises to a certain point 
> all the models will switch to battery.  SmartUPS have more add on 
> options available such as humidity and temperature sensors, X-10 like 
> switching capability for third party devices like a camera, and adding 
> additional batteries.  I like the large models of SmartUPS that have 
> internal fans.  I also like Tripplite brand since they are a bit cheaper 
> for the same capacity.
> Dow
> 
> 
> Mike Panetta wrote:
> 
>> AFAIK the major difference is in how "smart" the unit is.  I believe 
>> the Smart UPS series have serial communication capability, in addition 
>> to the "dumb" standard relay outputs the BackUPS have (IE contact 
>> closures for power good/power out, and for battery depleated).  The 
>> SmartUPS definately have more blinky lights on the front then the 
>> BackUPS do (5 I believe on the BackUPS, VS something like 5 load 
>> lights, 5 battery status lights and 3 line status lights on the 
>> SmartUPS I have at home).
>>
>> Then again, I have heard the only real difference is the cable that it 
>> ships with...  *shrug* I donno...
>>
>> Mike
>>
>> -------Original Message-------
>> From: John Wells <jb at sourceillustrated.com>
>> Sent: 05/12/03 09:20 AM
>> To: ale at ale.org
>> Subject: Re: [ale] APC UPS at Sams :P (1100VA for $118)
>>
>>  
>>
>>> Thanks for the link.  I just bought one of the APC BackUPS over the
>>>   
>>
>> weekend and was really worried when I couldn't find APC management
>> software fo r linux via USB, since almost all of your information comes
>> from this link.
>>
>> Speaking of BackUPS, anyone know why these are cheaper than the standards
>> ACP ups?  At Office Depot, I got a 750VA BackUPS for $20 *cheaper* than
>> the equivalent 500VA standard UPS.  Doesn't make sense, unless the 
>> BackUPS
>> are missing certain functionality.
>>
>> Thanks!
>>
>> John
>>
>>
>> James P. Kinney III said:
>>  
>>
>>> The serial port is easier to use properly under Linux. There is apcupsd
>>> (not from APC) that supports APC USB connections. Non-APC brands are
>>> strongly serial port only (as of the last check a year ago).
>>>   
>>
>>
>>
>>
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> 


-- 
In response to an article in The Economist entitled Marx After Communism 
dated 12/21/02,

".....we have a president purchased by corporations in a sham election 
who has put those corporations in charge of their own regulation. A 
string of corporate scandals has exposed the myth of shareholder 
control....."

Mark Spohr	Tahoe City, Ca. [1/18/03]

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