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How to Make Ethernet Cables

Updated on April 2, 2012

There are many devices to day that inter connect to each other via a network cable. Many of the cables that you purchase or that comes with these devices are at a set length and can be cumbersome around an office or home. They can bundle up and be wrapped around because they are too long. Also, they may just not be long enough for your length that you require to place the router or switch where you want it.

If, you need specific lengths of cables you can custom order the cables. When you do order custom cut length cables, it can be quite expensive and time consuming waiting for them to get there. Instead, you can save money and time by making your own custom cables at the exact length you need. This process is actually quite straightforward and only require 7 steps let’s take a look.

Step 1: There is a couple of different cables that can be made so the first step Is to determine what type of cable is going to be good for the job.

Straight through cables: These cables simply connect two devices together with one signal. They connect at point A and end at point B.

Crossover Cables: Cross over cables are used to connect two different computers together without a router or switch. They are also used to connect some of the older devices that are not able to communicate using a straight through cable.

Step 2: There is a couple of different tools that you are going to need to create cables.

Spool of Cat5 wire: This is the network wire you are going to make you can purchase spools in various lengths, so you can many custom cables.

Spool of Cat6 wire: This is the new standard in wire, and many of the newer devices require this, so always refer o the devices written instructions if you are unsure.

Cat 5 or Cat 6 Plugs: these are ends of the cables that are used to connect your devices. They are usually clear or colored plastic that you will crimp on the ends of the wires.

Crimpers: this is a tool designed to secure the heads of the wire on either end and can be purchased for around 10 bucks.

Wire Stripper: a good, handy tool to strip the coating off wires.

Step 3

Trim the wire, to the proper length that you need to have. Then take the ire strippers and strip about 1 ½ inches from either end of the cable. There are a number of wires inside we are going to use to build the connection it is crucial not to nick or cut these wires when you are stripping them.

Step 4

You need to set your wires by the colors that are in them there are two different types of wire colors

Straight Wires: arrange the wires, on both ends as you are holding and looking at the cable, from left to right: white-orange, orange, white-green, blue, white-blue, green, white-brown, brown. For a cross-over cable

Crossover Wires: At one end, arrange as follows: white-green, green, white-orange, blue, white-blue, orange, and white-brown, brown. At the other end, arrange as you would for a straight-through cable: white-orange, orange, white-green, blue, white-blue, green, white-brown, brown.

Step 5

To add the plugs on either end you first need to set the correct colors together and then straighten the wires out as much as possible. Get the wires in the correct order as close as possible and slip the RJ-45 connection over the end of the wire. Once they are in they should follow the separate paths that have been carved into the plastic, inside the RJ-45 head. They should be easy to go in and not jam while they do. Then take the crimper and squish the head of the RJ45 plug down and secure the wires in place.

Step 6

Crimper: use the Crimper to secure the heads in place. You want to do it hard, but not too hard when you are crimping down on the crimper.

Step 7

As always when you are finished creating a wire you can use a wire tester to make sure you go the correct connection of a cross over or a straight connection before you put it in place.

There you have the 7 straightforward steps to saving a ton of time and money by creating your own length of network cables.


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  • leeba ann varghes profile image

    Leeba Ann Varghese 5 years ago from India

    great and interesting....