MODULAR MATRIX SYSTEM
Patented EXYZ4 matrix system for feeding power and for multiplexing audio, video, alarm, control and data signals and communicating simultaneously via up to 5 independent channels with up to 999 apartments complexes. The matrix EXYZ4 of the video interphone is all modular, comprising power distribution for up to 32 apartments with up to 4 communication channels (stand alone), or for up to 64 apartments with up to 5 communication channels per single rack with up to large system of 16 racks connected in cascaded chain.