Intelligent Intercom with "door open/intercommunicating call” push button, BUS relay activation button, "privacy on-off” switch "door open” and "privacy on” LEDs plus call tone volume control.
Intelligent Intercom with “door open/intercommunicating call” push button (key), BUS relay (Art. 2305) activation button (dot), “privacy on-off” switch “door open” and “privacy on” LEDs plus call tone volume controll (3 levels). Programmable privacy duration and intercommunication mode.
