System unit, input unit and output unit.
System unit: used to provide working power, source system clock and various system interfaces such as PC, Ethernet, telephone, etc.;
Input unit: the main function is to replace the external control signal with the transmission signal on the network, including switches, infrared receiving switches, infrared remote controllers, multi-functional control panels, and sensors;
Output unit: The output unit of the intelligent system is used to receive signals transmitted from the network and control the output of the corresponding loop to achieve real-time control.
