Outside Sensor Box is the interface between the weather sensors and the building controller. All measured values are evaluated here and forwarded to the building controller. Requires an external 24 V AC, DC power supply. Only two cables (24 V AC, DC power supply and data cable) must be routed outside. Low-cost lightning protection is possible because only two cables are routed outside. All sensors including the Outside Sensor Box can be attached to a mast, the sensor station. Up to eight sun sensors, two wind force sensors, a rain sensor, an outside temperature sensor and a DCF plug-in module can be connected to the Outside Sensor Box.