How to Make an Ethernet Crossover Cable

An Ethernet crossover cable connects computers together instead of a hub, network switch or router. Making your own Ethernet crossover cable requires some technical know-how, but can be accomplished by the determined novice. While it is much easier to buy an Ethernet crossover cable, get a great deal of satisfaction out of knowing you made one yourself.

Instructions

Difficulty: Challenging

Things You’ll Need:

• Network Cable
• RJ45 cable connectors (at least 3)
• small, thin screwdriver
• cable cutters

1. Get a length of network cable that easily reaches each computer. Double check by following along the baseboards to each computer to ensure you really do have a long enough cable. Allow enough extra cord to service the computer without having to unplug the cable.
2. Purchase RJ45 cable connectors. Ask local computer stores if they have any left over from recent network installation jobs. Have at least 3 in case you make a mistake.
3. Remove the RJ45 connector from one end of the cable. Strip the cable insulation and trim the internal wires to the same length as the ones inside the connector you cut off. Ensure that each wire is of equal length.
4. Find someone to hold the cable and connector while you secure the connector cable lock. Put all wires into the proper holes and make sure the wires are pushed completely into the connector. Use a screwdriver to tap the connector cable lock slot in place. Light pressure should do the trick.
5. Have the helper hold the RJ45 connector while you seat the brass wire conductors into place. Tap the brass conductor down with a screw driver just below the plastic ridge. Look at the removed connector to guide how deep to seat the conductors.

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