Power Flasher, Burglar alarm interface
Enables any standard alarm system to communicate with X-10 Home Automation devices, for example turn on or flash house lights when the alarm has activated.
Can also be used simply to turn on lights when a door opens.

Plug in Two-way PLC interface
The TW7223 PLC interface is designed for manufacturers of security systems who wish to communicate directly with X-10 Home Automation devices. At present there are only two manufacturers systems available with this function in Ireland:
DSC Security products and Telecom Phonewatch.