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Views: 207 Author: Site Editor Publish Time: 2024-03-05 Origin: Site
RJ is short for registered jack, also known as network connector. It is one of all connectors. It is a standardized physical network interface structure and wiring method that makes it the most ideal RJ45 network interface. It is an interface for telecommunications connections.
RJ45 is composed of plugs and sockets. The connectors composed of these two components are connected between the wires to achieve the electrical continuity of the wires. The crystal head is installed in the RJ socket, the metal parts of the two are in contact, and the spring piece on the crystal head ensures a stable and reliable electrical connection between the two. Due to the friction between the spring piece and the jack, the electrical contact is inserted with the plug It was further strengthened. The main body design of the jack adopts an integral locking mechanism, so that when the crystal head is inserted, the maximum pull strength can be generated outside the interface of the plug and the socket.
According to the installation position of the RJ45 module, it is divided into four standards: sink plate type, plate type, under plate type and general type. It is composed of plastic body and terminals, and some have metal shells, which are used for shielding and renting. The plastic body is resistant to high pressure and flame retardant, and the special process design can provide at least 750 repeated insertion and removal.
The performance indicators of the RJ45 network interface include attenuation, near-end crosstalk, insertion loss, return loss, and far-end crosstalk. Various properties of RJ45: contact resistance is 2.5mΩ, insulation resistance is 1000mΩ, and the electric strength is DC1000V (AC700V), there is no breakdown and arcing phenomenon in one minute.
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