The RJ45 connector is a standard connector commonly used in Ethernet networks to connect network devices and network cables for data transmission and network connectivity.

RJ45 is the abbreviation of (Registered jack 45), which is a standard physical interface for connecting Ethernet and other LAN devices, RJ45 interface (also known as Ethernet cable), which transmits data signals through network cables, RJ45 connectors usually have 8 metal contacts for connecting 8 wires, which are usually 8 cables in the network cable. There are usually 8 metal slots on the outside of the connector for inserting the 8 wires of the network cable to ensure the stability of signal transmission. It supports different Ethernet standards, such as 10/100/1000 Mbps Ethernet connections.