What is an RJ45 connector?

A UTP (RJ45) connector is the point where the UTP cable delivers a signal. The quality of a UTP cable depends on the connector.

The cable connector is also called an RJ-45 connector. Just like UTP cables, these network connectors also consist of various categories. Not every UTP cable has the same thickness of cores. It is therefore also important that you have the right UTP connectors with the right UTP cable.

RJ-45 stands for Registered Jack. This means that it is a registered plug. You can also see these connectors on analog telephone connections, faxes or modems. The handy thing about this connector is that you can only connect it in one way. Incorrectly connecting a UTP connector in, for example, a modem is not possible. However, this does not mean that you are guaranteed to connect the UTP cables properly in the connector. That does require some preparation.

A network connector consists of a plastic housing with eight copper "clips". Once you have inserted the UTP cable into the connector correctly, you can press the clamps. It is best to use an RJ45 crimping tool for pressing. These clamps then press into the UTP cable in a kind of wedge shape. This way, a connection is made with the wires and the connector also makes full contact.