Carus Adapto audio indoor station, table device, housing made of solid aluminum, hand-finished structured surface, buttons made of solid aluminum, laser-labeled, color: silver, table base with continuously adjustable tilt angle, black anodized, incl. 2.5m cable (black with RJ45 plug), hands-free calling / manually controlled intercom can be activated, automatic hands-free calling can be activated after internal call, door opener button with activatable floor door opener function, button for call acceptance or toggle button speak / listen when intercom is activated, light button, 1 function button ex works: assigned with control function / activatable alternative assignment: internal call, automatic door opener, call forwarding, selection of 13 ring tones, acoustic and optical call differentiation between house door, apartment door and internal call, acoustic door call differentiation for 2 doors, ring tone volume / manually adjustable, ring tone deactivation with optical display, 1 parallel call can be activated, optical short-term storage of door calls, optical Busy indicator when a voice connection is established, privacy lock and automatic call disconnection, audio and video indoor stations can be combined within one system, 3-wire technology required, input current: I(a) = 0.4 mA, I(P) = 2 mA in idle state, maximum input current: I(Pmax) = 100 mA, permissible ambient temperature: -5 degrees C to 40 degrees C, device dimensions: H 156 mm x W 101 mm x D 160 mm