Audio/video unit with terminal block, Simplebus 2 system, complete with colour camera with 2.3 mm lens and IR illumination. Digital audio management system with Echo-cancelling, watertight loudspeaker and electret microphone, loudspeaker volume can be adjusted from the front. Complete with microprocessor and dip-switch with 8 positions for programming calls to users. Programmables audiovisual indications to comply with DDA. 33 VDC power supply via power supply unit part. 1595. On-board electronic lock-release function (3A), plus C-NC-NO 10A relay contacts. Compatible with all Simplebus 2 functions and products. Allows call addressing up to 120000 users. Timed door opening and door open visualization. To add in the audio-video modules with 0, 1 and 2 buttons. Dimensions: 102x55x38 mm.