Sensor module, interface DoorScan-I, Replacement/extension sensor module for installation in the DoorScan?? and TopScan sensor profile, multifunction interface module, Sensors for Automated Accesses..., Sensor module for configurable DoorScan?? presence sensor, Multi-function interface with full operation, Complete system supply for the entire system for one door, Can also be used to supply the emitter and receiver modules with power, Single button commissioning with automatic Teach-in function, SIL 2, certified in accordance with DIN 18650/EN 16005, Tool-free module mounting using snap-in mechanism