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[originalevil]

I had a very strange experience today.

I installed my XTB-IIR and, naturally, I wanted to test the circuit with my multi-meter before I plugged in a device I'd invested a good coin into.

I keep my multimeter in the big red Craftsman toolbox that my Dad used at his job, in a large drawer along with some meters and testing equipment of his. I grabbed an old, old Signal Strength Indicator by mistake. I wasn't going to spend a lot of time looking at it, but I noticed it said "Indicators Respond To letter Code P Unit Code 1 On/Off Transmission" and I almost flipped out.

My Dad was an electronics engineer who passed away in 2002. I've often thought of how much he would have enjoyed X10, but I know he never used it at home. He did a lot of side jobs in addition to his main work (for Revlon, in their Oxford, NC facility), a lot of which involved automated packaging equipment. I can see how devices based on X10 protocols would have been useful in his work. Still, it is a real shock to come across this on a day when I'm working on a project to improve the strength of my power line signal. He and I were really close and if he were alive today, there is NO way he wouldn't be involved in this project with me.

It also says on the back that it is used with an automatic test transmitter, no 6269, so if I look through his tool box again and don't find one, I'll try to pick one up used off the Internet.

Anyway, anything you could tell me about this guy would really make my weekend.

[Brian H]

P1 On and Off is the address used by their testers and I believe also the X10Pro ones. A check of the X10Pro site shows their XPTT test transmitter; also sends the P1 On Off cycle.
Maybe your Father also installed the HCA02 Repeater Coupler. It also has a Test Switch on it that also sends the P1 On Off signals.
There is literature on the Leviton web site. Including some of the large catalogs sections. One is on the troubleshooting problems.  http://www.leviton.com/
You may also find some users manuals on the X10Pro site for their modules. http://www.x10pro.com/

Great data here also:
http://www.act-solutions.com/PCC/uncle.htm

http://jvde.us/x10_troubleshooting.htm

[originalevil]

Thanks, Brian!