I'm trying to hookup my new TZ43 thermostats so they work with my Elk M1 system. AutomatedOutlet guys suggested this route since I can't run a cat5 to the thermostat locations for the hard wired thermostats. I have an extra serial port for my elk that is free, and I also purchased a Leviton vizia rf+ serial adapter. To configure the thermostats they recommended using ControlThink, which I have installed on my computer, and the two thermostats are showing up in there, but I'm not sure what other configuration I need to do, and I'm not sure how I make it work with the serial adapter and then elk. Any help would be appreciated.