A registered jack (RJ) is a standardized network interface for connecting voice and data telecommunications equipment.
The Registered Jack connectors – RJ45 and RJ11 are used with the UTP cables.
RJ45 is newer, modular, self-securing and compact technology used for connecting the ethernet cables to different electronic devices. The RJ45 is an 8 pin connector used to attach the ethernet interfaces. It is known as an 8P8C connector.
Types of cables based on the termination:
- Straight-over cable
- Crossover cable
RJ11 is used to terminate the conventional PSTN telephone networks. RJ11 is a four pins connector which is used for terminating the telephone wires. The RJ11 technically uses the center 2 contacts of 6 available and is used for wiring a single phone line. It is the common connector for plugging a telephone into the wall and the handset into the telephone.
Difference Between RJ45 and RJ11:
|RJ-45 are used with ethernet cables.||RJ-11 are used for connecting telephone wires.|
|The structure of RJ45 is of larger size||The structure of RJ11 is comparatively small|
|Bandwidth supported by RJ-45 is 10 Gbps over ethernet||Bandwidth supported by RJ-1 is 24 Mbps|
|The number of wires connected with RJ45 is 8||The number of wires connected with RJ11 is 4|
|RJ45 is an 8P8C connector||RJ11 is an 6P4C connector|
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