Rj45 how long

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RJ45, modular plug, 8P8C, end, connector These all describe the piece attached to the end of an Ethernet cable that plugs into your TV, computer, router, etc. The very name can generate confusion. This long name truly nails it down. It refers to a type of modular plug normally used at the end of Ethernet patch cables, and when attached at the end of an Ethernet cable it is called a RJ45 8P8C plug.

What does this little connector actually do and how does it work? Does this mean that a Cat6 cable plug is not really Cat6? Yup, that is what I am saying. This leads to even more confusion, which we will also clear up. Would you like to see how one of these plugs is terminated? Definitely not. You did not think you would get that lucky did you? RJ45 connectors are dimensionally the same on the outside they have to be, to fit into any standard RJ45 port but inside is where the biggest differences can be found.

How do you know which one to get? You have to be in the know about Selecting the Correct Connector. Suffice it to say that, there are only loose standards around how to manufacture an Ethernet cable.

This is the wrong way. Note how the blue plastic sleeve is not inside the connector where it can be locked into place. The wires are too long. The wires should extend only half an inch from the blue cut sleeve. Note how the wires do not go all the way to the end of the connector.

Crimping the cable. Carefully place the connector into the Ethernet crimper and cinch down on the handles tightly. The copper splicing tabs on the connector will pierce into each of the eight wires. When you remove the cable from the crimper, that end is ready to use. For a crossover cable, the other end will have a different color order as shown by the crossover picture above.

Make sure to test the cables before installing them. An inexpensive Ethernet cable tester does this quite well. Like this content?

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