At 11:23 PM -0400 7/12/05, Jim Foster wrote:
>Be sure to ONLY connect to the UPS the devices which really require
>protection. For example, if you have a laser printer which you tend to
>leave on most of the time, do NOT hook it up to the UPS as it will add
>a significant drain to the batteries in the event of a power failure,
>resulting in the UPS functioning for a much shorter period of time.
I seem to recall advice that laser printers should not be connected
to even the "non-battery" outlets on a UPS, as their energy demands can
seriously damage the UPS circuitry, even if they are not draining the
battery.
I usually have the CRT monitors plugged into the non-battery plugs
- if I need to see the screen for a few seconds to shutdown in a power
failure, I will swap the plug, but if I am not at the computer, the drain
on the battery is much reduced, meaning the lifetime is much increased. For
LCD screens, I usually plug them into the battery since their drain is so
comparatively small.
For replacement batteries (they wear out after a few years), I have
gotten some from mycableshop.ca in Whitby, East of Toronto - they ship
Canada-wide and their prices seem pretty good.
<http://www.mycableshop.ca/2nd_Cat/UPSBatteries.htm>
--
* Johann Beda - contact link: <http://public.xdi.org/=j-beda> *
* Johann's MostlyMac Computer Consulting - <http://mmcc.beda.ca/> *
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