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RJ45 is a kind of connector of information socket (Communication outlet) in wiring system. The connector is composed of plug (connector, crystal head) and socket (module). The plug has 8 grooves and 8 contacts. RJ is the abbreviation of registered jack, which means "registered socket". In FCC (Federal Communications Commission standards and regulations), RJ is the interface of public telecommunication network, and RJ45 of computer network is the common name of standard 8-bit modular interface.
In the home ADSL modem, there will also be RJ11 interface, which is slightly smaller than RJ45 interface and is mainly used to connect telephone lines.
According to the installation position of RJ45 module, it can be divided into four types: embedded type, carpet type, desk type and general type
According to the shielding performance, it can be divided into unshielded module and shielded module. When installing shielded cable system, the whole link must be shielded, including cables and connectors, and shielded information modules are needed.
Product Name : RJ11