The RJ45 connector is a type of connector commonly used for Ethernet networking. It is an 8-pin connector that is often referred to as an Ethernet jack or plug. The term "RJ45" stands for Registered Jack 45, which is a standardized physical interface for connecting telecommunications or data equipment.

RJ45 connectors are commonly used in local area networks (LANs), wide area networks (WANs), and other data transmission applications. They are typically used to connect computers, routers, switches, and other network devices to each other, as well as to connect those devices to the internet or other networks.

RJ45 refers to a type of connector used for networking cables, while Ethernet refers to a standard for networking that uses this type of connector. Therefore, RJ45 and Ethernet cable are not exactly the same thing, but they are often used interchangeably in common parlance.

An Ethernet cable typically uses an RJ45 connector at each end to connect network devices, such as computers, routers, and switches. The RJ45 connector has eight pins and is designed to fit into an Ethernet port, which is a rectangular opening on a network device that accepts the connector.

So, in summary, RJ45 and Ethernet cable are not the same thing, but they are closely related components of a network setup.

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