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Re: USP End-of-Line Supervision Device, Model R64



so it will cause a trouble condition at the panel when power fails.
like with a broken wire to the power terminals.
 "Don" <don@xxxxxx> wrote in message
news:CHbhh.772$cB6.2@xxxxxxxxxxxxxxxxxxxxxxxxx
> for supervising 4 wire smoke detector loop.  This goes at the end of the
> line to take the resistor out  of the loop if the power fails.
>




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