In the electronics industry, we often hear the word "RJ". RJ is the abbreviation of "registered jack", which refers to the standardized socket of protocol standard communication equipment. RJ sockets are divided into different types, such as RJ 1 1 and RJ45, which are used for telephone and network communication respectively.

In electronic production, RJ sockets are widely used in network equipment, telephone equipment, computer systems and so on. For example, on the computer network interface, using RJ45 socket can realize high-speed data transmission and make the network connection more stable.

With the development of information technology, RJ sockets are constantly improving and developing. From the initial telephone interface to now it is widely used in network, TV, video, audio and other fields, RJ socket provides convenience for our daily communication. In the future, RJ sockets will be further applied to smart homes, Internet of Things and other fields with the development of technology, bringing more convenience to people's lives.