Hi Tom:
I have also heard people say not to plug a UPS into a surge suppressor. And
also not to plug a surge strip into a UPS. I have not seen the technical
reasoning behind either statement. I can somewhat understand that plugging
a surge strip into a UPS could more easily lead to overloading the power
capacity of the UPS, by someone who is not aware of such limitations.
I have my APC UPS (which is now 15 years old) plugged into a high quality
surge suppressor strip. That allows me to turn-off the AC to the UPS each
night, which shuts down the trickle charger that is always operating in the
UPS, keeping the battery at peak charge.
In the area where we live, the UPS unit gets a good workout and has never
failed me. I have a similar unit attached to the TiVo. The batteries in
these units last about 5 years and are cheap and easy to replace.
At the last company I worked for, we literally had hundreds of these units,
protecting computer and networking equipment, telephone systems and many
pieces of manufacturing equipment. Some were plugged into surge strips or
surge outlets and many had surge strips plugged into the UPS units. I don't
remember ever having a problem with a single unit. All UPS units that were
not attached to continuous monitoring systems were tested on a semi-annual
basis to check the condition of their batteries.
I think that attaching your desktop computer to a good UPS unit is cheap
insurance.
John
----- Original Message -----
From: "First CRC Tom Vos" <[email protected]>
To: <[email protected]>
Sent: Monday, April 27, 2009 9:39 AM
Subject: [Blind-Computing] U P S and Surge protector
I've heard that one should not plug a battery back up into a surge
suppressor.
Is this tru, and is it a big deal??
And if it is true, does anyone know the reason?
Blessings,
Tom
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