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

[Dow Hurst]

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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>>>  
>>>
>>
>
>

-- 
__________________________________________________________
Dow Hurst                  Office: 770-499-3428
Systems Support Specialist    Fax: 770-423-6744
1000 Chastain Rd. Bldg. 12
Chemistry Department SC428  Email:   dhurst at kennesaw.edu
Kennesaw State University         Dow.Hurst at mindspring.com
Kennesaw, GA 30144
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