KJJ220 Ground output intrinsic safety information transmission interfaceDetailed product description：

The KJJ220 ground output intrinsic safety information transmission interface is used in conjunction with mining point communication systems to convert voice communication CAN bus signals into universal Ethernet signals or optical fibers for long-distance transmission, achieving functions such as communication and point communication between above and below the well.

Main functions of KJJ220 ground output intrinsic safety information transmission interface
It can achieve operations such as tapping and communication between the well and underground, such as global (local) voice broadcasting, global (local) tapping broadcasting, and music playback on the well; Global voice communication and management within each underground tunnel; Operations such as marking and shouting inside the underground tunnel and above the well.

Main technical parameters of KJJ220 ground output intrinsic safety information transmission interface
Rated working voltage: 220V AC; Power supply applicable range: AC85V~265V;  
Working current: ≤ 200mA
Transmission performance (interface and switch)
Ethernet electrical signal, number of interfaces: 1;  
Transmission method: TCP/IP;  
Transmission rate: 10/100Mbps adaptive.  
It has the function of communicating with the switch and indicating its status.  
It has power indication and function.  
It has the functions of tapping and calling.  
Music playback function.