The TI103 is a two-way commercial-grade RS232 serial X10 controller which offers higher signal strength, faster operation and lower lockup susceptibility than the CM11A. The TI-103 also sends and receives all X10 commands including extended and pre-set dim commands. It does not store commands.
Specifications:
X10 2-way
Approx 6 volt X10 signal strength
Serial interface runs at 19200 or 9600 baud (dip switch selectable)