ANSI/TIA 1096-A covers the basic physical dimensions, mechanical characteristics, and contact requirements for RJ45 devices. There are several engineering standards that apply to RJ45 connectors, depending on their application. Hi-Rel - to provide protection for the hardware and the connectionĪpplicable Standards of the RJ45 Connector.
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Integrated magnetics - to allow for better shielding plus current protection.Displays and indicators - to indicate connection status.Various mounting capabilities - to allow for panel, board, surface or through hole methods.Shielding - to cancel the effects of EMI/RFI.Their 8-pin configuration also means that they can be used in more demanding and data-intensive applications.Īdditional available features can include: Sockets (or receptacles) can also have a vertical or horizontal orientation, allowing their use in various applications.īeyond this, RJ45 connectors also feature the aforementioned orientation tab to prevent incorrect wiring. RJ45 connectors incorporate the basic features of modular connectors: low cost, solderless assembly of connector and wiring, quick production of custom cables, simple insertion and removal, easy field assembly with simple tooling, and the ability to customize cables on-site. You can plug 8P8C connectors into RJ45 sockets, but you cannot do the reverse. However, in common use most 8P8C connectors are referred to as RJ45, but this is not quite accurate.
Hence, an RJ45 is one type of an 8P8C connector. This 8-pin configuration of an RJ45 is similar to that of 8P8C connectors, but true RJ45 connectors also include a tab that only allows insertion of the device in one orientation with a compatible socket to avoid an improper wiring connection.
Internally, RJ45 devices contain 8 pins and 8 wire positions used to handle signals or power, so they can accommodate 4 twisted wire pairs. The channels fit into a matching socket and the connectors lock in place with a tab making them secure but also removable. RJ45 devices, like all modular connectors, contain metal contacts separated by insulating plastic channels. The RJ system covers the physical connector, wiring patterns, and signal specifics. This was done to ensure compatibility between phone company hardware and consumer equipment. The various connectors developed using this system were categorized by the FCC in 1976 into the Registered Jack (RJ) system, giving rise to the RJ label. What is an RJ45 Connector?Īn RJ45 connector is a commonly used modular interconnection device matched with a cable to provide data communication service to various electronic devices and systems. In fact, RJ45 connectors are commonly referred to as Ethernet Connectors. The line has expanded over the years to include data communication mainstays, like the RJ45, which was developed for computer networking. This new connector system offered simple, quick, and convenient setup that could be customized on-site by a technician or installed by the user in the home. One of the most widely used types in the modular family of devices is the RJ45 connector.Īs we have learned in another blog topic, the modular connector system was developed by AT&T in the 1960’s and 1970’s to take the place of bulky phone connectors and their labor-intensive installation. The use of modular electronic connectors has been one factor in the explosion of communication and data services around the world.
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