Apartment station AP, pure white, glossyFeatures: Completely pre-assembled apartment station AP. This enables quick and clean installation. Design diversity through integration into the switch range, resulting in a uniform appearance of door communication and electrical installation. Installation both with and without cover frame. Easy installation using plug-in screw terminals on the mounting plate. Contact to the apartment station is made when the apartment station is plugged onto the mounting plate. Easy removal of the apartment station during renovation work. Mounting holes for installation. Signal transmission and supply of the apartment station via reverse polarity and short-circuit-proof 2-wire bus. Parallel connection of up to three apartment stations possible (with power supply via 2-wire bus). One-man commissioning using a simple commissioning procedure. Ringtone differentiation between door call, internal call and floor call. Selection of five different ringtone melodies that can be individually assigned to individual call buttons. Hands-free function (voice-controlled intercom with echo and background noise suppression). Enforcement function for loud background noise during the speech connection. Privacy lock. Control buttons with integrated LEDs for status display.The control buttons on the AP home station control the following functions in conjunction with the switching actuator or the flush-mounted switching actuator: Switching lights and other functions. Controlling the door opener. Setting the ringtone melody. Switching the ringtone on and off. Answering calls. Activating the enforcement function. Setting the ringtone and speech volume.Notes: Installation possible without a cover frame. When installing in conjunction with System 55 or the surface switch range, a 2-way cover frame without a center bar is required. When mounting on a device box, a cover frame is required. This component can be used to set up door communication systems with up to 70 participants (e.g. 1 x built-in loudspeaker, 5 x extension module for built-in loudspeaker, 68 x AP home station).