For residential and commercial applications where a large screen colour intercom system is required. The JO1MD eables a single video door station with up to two internal room stations, all feature hands free communications with the door station. (Note there is no communications internally between monitors)
Wiring to from the entry stations to the JO1MD is by the familiar 2 core polyethylene cable used on all of the Aiphone video intercom systems. Wiring between room stations is by 6 core cabling, 4 cores if no door release.