On Sat, Nov 27, 2004 at 06:07:58PM +0200, Shlomi Fish wrote:
> 
> However, disconnecting the UPS from the main power supply did not report 
> anything there. On the other hand, I did not connect anything else to
> the UPS per Shaul Karl's suggestion, because there are only comm out
> ports there and not any 220V ones.
> 


  Either I have explained myself badly or I didn't understand what you 
were saying. My understanding is that a UPS of the type we are dealing
with now has at least the following:

    1. A connector to be attached to the main power supply.
    2. A connector to be attached to the load which is usually a PC.
    3. A communication connector, be that USB or serial.

In particular, if your UPS doesn't have any 220V outlet then how it is
supposed to protect your load? Doesn't the connector that is supposed to
be attached to the load supplies 220V?

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