This product can provide power for fire extinguishing devices and red and ultraviolet composite detectors and receive various signals from the fire extinguishing devices. The connections between fire extinguishing devices use dedicated matching wire harnesses and are directly connected with aviation plugs, greatly reducing the difficulty of wiring in high Spaces. Meanwhile, the product can provide the required DC12V power supply for the fire extinguishing device, receive and output the passive contact for automatically starting the fire pump, receive the valve opening signal and supply the AC220V power source needed to start the solenoid valve, and also supply the passive contact for alarm output. It has AC220V lightning protection input. Meanwhile, the product CAN adopt both CAN and RS485 communication methods, which can be compatible with all models of fire extinguishing devices of the company, greatly reducing the construction difficulty.