THE SIMPLE INSTRUCTION TO MAKE ETHERNET CABLES
For our instructional guide today, we’ll be making a standard cable, which is also known as a straight through cable. For the straight through cable, we will wire both sides of the Ethernet cable using the TIA/EIA 568-B standard wiring order. For those who need a crossover cable, wire one side of the Ethernet cable using the TIA/EIA 568-A standard and the other side of the Ethernet cable using the TIA/EIA 568-B standard.
Use one of the RJ-45 Ehternet Plugs to figure out how much of the cable sheath needs to be removed. This is typically about 1-inch.
If you opted for strain relief boots, go ahead and install them now.
Strip the sheath in order to reveal the wires inside. The crimp tool should include a tool to strip the sheath, but if this isn’t available, a knife or scissor can be used as well.
Once the sheath is removed, the wires inside are now exposed.
Those making cables with newer cables such as Cat6 will find a plastic core in the middle which helps maintain twisting in order to reduce crosstalk. Go ahead and trim the plastic core as low as possible.
Arrange the wires based on the wiring diagram. Since we’re building a normal patch cable, use the TIA/EIA 568-B wiring standard.
Once the wires are arranged, trim the wires so that the wires are about 1/2-inch from the cable sheath. If you don’t own a measuring device, an Ethernet plug can also be used for approximation. Just ensure the wires inside can reach the end of the plug and the cable sheath touches the end of the Ethernet plug.
Once the wires are arranged in the proper order, push the wires into the Ethernet plug while maintaining the wiring order. Ensure that all wires are pushed all the way into the Ethernet plug so that the wires reach the end of the Ethernet plug. This is very important. If the wires are in the wrong order or if the wires aren’t pushed in far enough to make contact with the prongs, the cable will not work.
Ensuring that the wires are in the right order and that the wires are pushed in all the way into the Ethernet plug, use the crimp tool to crimp the Ethernet plug. Crimp tools with a racheting mechanism are highly recommended as it helps ensure consistent crimps.
Once the Ethernet plug is crimped, repeat Steps 1-7 for the other end of the cable.
Optionally, the recently made cables can be tested with a cable tester. For larger cable deployments, this is very helpful as nothing is worse than trying to track down which cables aren’t working after spending hours running several hundreds of feet of cable.
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