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X-10 and RS232  

post #1 of 5
Thread Starter 
I've got the X-10 Firecracker PC module (plugs into the serial port) and I'm wondering if it just takes normal RS-232 (aka ASCII) commands. I've started looking at some of the X-10 protocol and while it's a little dense it seems like it should work. What I'm going to try and do is plug the PC module into the RS-232 output on my Axcent 2 and just send it the raw ASCII.
post #2 of 5
I believe that won't work. I think you have to talk to the Firecracker by toggling some of the secondary RS232 lines like DTR and RTS in particular sequences. It tries to be a transparent passthrough module so you can still use a modem on the serial port it's plugged into, so it can't really intercept any of the actual data going over the port.

This is based on a brief look at a Linux X-10 utility on a friend's machine a year and a half ago, so don't take it as gospel.
post #3 of 5
There is a free ActiveX component for controling this device available at http://www.keware.com/download.htm

It is in Visual Basic (BLECH!) but you could determine the protocol used since the source is included. In a cursory look, Steve appears to be right. Some control lines are used, not straight ASCII.

Good luck!

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Huck
post #4 of 5
Thread Starter 
I still haven't had a chance to give this a try, but due to renewed interest I'll see what I can do. I spend most of my time working with Lutron systems so I lose a little interest with X10 by the end of the day.
post #5 of 5
Sorry if this is a stupid question but ...

What is a "Axcent 2"?

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Huck
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