Back on topic;
I already PM'ed you -- call me if you need more help.
1-way control from URC to HAI is super easy.
RS-232 cable, and simple ASCII messages from URC to HAI.
HAI has built in HAI1 thru HAIxx commands that it listens for, and/or you can create your own messages that HAI will then execute whatever.
[Link: kb.homeauto.com]Read this for as close to end-to-end documented solution as I've been able to google in the last few minutes:
[Link: autonomic-controls.com][Link: remotecentral.com][Link: cocoontech.com][Link: board.homeseer.com]And, if you're really brave and want to dig deep into 2 way communication with parcing, poling, etc., have a look at this:
[Link: kb.homeauto.com]