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

[Courtney Thomas]

Thanks so much for your thoughtful reply.

Courtney



Dow Hurst wrote:

> The APC SmartUPS has a "smartslot" or two depending on the size of the 
> UPS.  You can add a module for measurement of stuff like a 
> temperature/humidity sensor, plus there are contacts that will sense a 
> circuit being closed or open.  The contact state changing can trigger a 
> script to run when using APC's PowerChute Plus.  So, you would need a 
> smoke or heat sensor that would close or open a circuit when it's state 
> changed so the UPS could sense the change.  Basically, what I remember 
> is that the smartslot device would look for a voltage change or a switch 
> to close so a voltage would be present and then it would trigger a 
> script or page.  Call APC and ask them what they recommend.  I used to 
> get emails when the temperature and humidity changed to values outside 
> of the parameters I had specified.  PowerChute Plus stopped working 
> properly on my latest IRIX and so I switched to Tripplite's software to 
> run the APC UPSes.  You'd need to use APC software for the smartslot 
> devices to be supported.
> Dow
> 
> 
> Courtney Thomas wrote:
> 
>> 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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>>>>
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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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