Building security alarm and fire alarm electronic controllers, namely, control units which monitor security and other sensors and which generate response signals for local annunciation and control according to a fixed program and local keyboard input and which is equipped for communication with a central monitoring station.
Building security alarm and fire alarm electronic controllers, namely, control units which monitor security and other sensors and which generate response signals for local annunciation and control according to a fixed program and local keyboard input and which is equipped for communication with a central monitoring station.
Building security alarm and fire alarm electronic controllers, namely...
