Subject: From: Date:

Re: [ECS] X-10 SR731 Smart Repeater Dan Carrington Fri, 29 Jan 1999 12:51:26 -0800

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So how does this repeater keep messages from being broadcast on the
powerline more than once?  If the RR501 receives the original
transmission and broadcasts on the powerline, then receives the
rebroadcast/repeater RF signal, wouldn't it make a second powerline
command?

Dan Carrington




John Michael wrote:
> 
> I use the SR731, contrary to your understanding, it does not transmit
> signals onto the powerline.
> It is an RF repeater, meaning that it re-transmits RF signals that it
> receives from palm pads,
> motion sensors, security sensors, etc. It is intended to extend the
> effective range of these RF devices.
> You still need at least one RR501 (or some type of X-10 RF receiver)
> which still provides the
> function of transmitting signals onto the powerline.  Since you only
> mentioned getting rid of 3 RR501s,
> and you didn't mention that you still have any other X-10 RF receivers
> installed, I can imagine that
> the SR731 is working fine, you just don't have anything plugged in which
> will receive the re-transmitted
> RF signal and convert it to the powerline.
> 
> GREAMS@VIRON.com wrote:
> >
> > Has anyone had experience with X-10s SR731 Smart Repeater?  To my
> > understanding, the device receives radio signals transmitted by palm pads,
> > motion sensors, and security sensors, transmits the associated signal onto the
> > the powerline, coordinating with up to 3 other SR731s to prevent collisions
> > and duplicated signals.  Supposedly, the receiver/repeater handles all 256
> > X-10 codes.
> >
> > I purchased one of these devices, hoping to get rid of 3 RR-501 receivers, but
> > it doesn't seem to work.  I sent back the first (assuming it was bad), but the
> > replacement also does not work.  The LEDs on the device seem to indicate that
> > it is both receiving the radio signals, and retransmitting them onto the
> > powerline, but none of my x-10 modules react.  In fact, ECS doesn't report
> > seeing any activity on the powerline from my CM11A.
> >
> > My powerlines are well coupled, and the RR-501s work great when I plug them
> > back in.
> >
> > Am I missing something?  Anyone had any experience with the SR731?

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