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

["Don" <don@xxxxxx>]

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.

"mm" <NOPSAMmm2005@xxxxxxxxxxx> wrote in message
news:28cao2dj3c1i2np699l3cburek7ru87tod@xxxxxxxxxx
>I inherited a couple USP End-of-Line Supervision Devices, Model R64.
> I'm not in the business, but I was hoping someone could explain to me
> what this thing does.
>
> This was the description on some website, maybe www.spy something.com.
>
>
> Model R64
> End of Line Relay
>
> Adaptable to any standard 4 or 6 wire system.  Provides 12-24 VDC
> E.O.L. Power Supervision
> CSFM Approved
> Size: 2-3/8" X 2-1/4" X 1"
>
>
> If you are inclined to email me
> for some reason, remove NOPSAM  :-)