Conventional System: uses common wires for the entire installation plus 1 call (or call return) wire per home.
Recommended in small/medium-sized buildings (up to approximately 50 neighbors), with several entrances and a concierge center. For urbanizations with general entrance and inner blocks.
Cabling:
- Intercom: 4 common wires + N (1 call wire per home).
- Video intercom: 7 common wires + 1 video coaxial + N (1 call wire per home).
Maximum distance in the installation depending on the section of the cable used (consult technical manuals) Equipment that allows you to hear the doorbell/video intercom call from a place other than where the telephone or monitor is located.
