RE: Line interactive versus on-line UPS

[Steve Morrison <smorrison@xxxxxxxxxxxxx>]

What is the model name of the online units from APC? 


Steve Morrison
Beacon Insurance
940-720-4672 

-----Original Message-----
From: Larry Bolhuis [mailto:lbolhuis@xxxxxxxxxx] 
Sent: Wednesday, September 29, 2004 3:06 PM
To: Midrange Systems Technical Discussion
Subject: Re: Line interactive versus on-line UPS

Bryan,

  In my experience the Line Interactive units don't last as long and
certainly don't provide the clean power that a true on-line unit does.  
This is especially true where the power is poor to start with and the line
interactive units have to go in and out whenever the power 
degrades, flickers, fades, blips or what-have-you.    In the old days 
the on-line units were large, noisy, inefficient,  and expensive (like the
one in the corner of your computer room!) but today's units are much
smaller, quieter and more efficient while doing a better job too.  APC makes
some nice stuff if you step up to the on-line style, we've installed several
of them.

  My .02

    - Larry

Burns, Bryan wrote:

>An IBM business partner recommended a 3000VA APC Smart-UPS to replace 
>the UPS serving our migration tower but when I called a vendor for a 
>quote, the vendor said he wouldn't recommend a Smart-UPS as they are "line
interactive"
>units.  Vendor is suggesting an on-line type UPS which costs more but 
>delivers cleaner power.
>
>Do any of you use line interactive UPS's?  Isn't it better to spend a 
>little more for an on-line unit that delivers cleaner power?
>  
>
>Bryan Burns
>System Operator
>Echo, Inc.
>Lake Zurich, Illinois
>847-540-8400 x493
>
>  
>

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Larry Bolhuis                   IBM eServer Certified Systems Expert:
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