For TwinBus door intercom systems. Hands-free communication to the door station and opening of the main door and/or floor door. -Door opener button. -Button for staircase light or call silencing. -Call silencing: door call is signaled visually. -Answer/end call. -Voice and ringtone volume control in 4 levels. -5 ringtones. -Ringtone differentiation between door and floor. -Call connection relay. -Audio privacy feature. -Up to 10 door station bell buttons can be programmed. -Large connection space. -Low installation height (16 mm). Installation takes place on a standard flat flush-mounted device box in accordance with DIN 49073, Part 1. Supply voltage: TwinBus from power supply unit 17573. Current consumption in idle state: max. 3 mA. Controls: Door opener button, button for staircase light/call silencing, volume control, answer/end call. Dimensions: 126x55 mm (HxW). To be completed with: 1-M frame, 2-way without middle bar 3898.. ATELIER-M frame, 2-way without middle bar 3888.. M-SMART frame, 2-way without middle bar 4788.., 4848.. M-ARC frame, 2-way without middle bar 4858.. M-STAR frame, 2-way without middle bar 4668.., 4768.., 4868.. M-PLAN frame, 2-way without middle bar 4888.., 5158.. M-PLAN real glass frame, 2-way without middle bar 4878.. M-PLAN metal frame, 2-way without middle bar 4758.. Scope of delivery: TwinBus connection terminal. Support ring and screws. Material: Brilliant thermoplastic. Color: polar white glossy.
