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How to Make a CAT5 Cable

Below is documented the correct wiring format for a CAT5 Cable and detailed instructions for making a CAT5 Cable.

WIRING DIAGRAMS FOR A CAT5 CABLE

Cat5 568-B Type Wiring Diagram
Notes

The diagram above is called a CAT5 Type B wiring method which is the one that is almost exclusively used in industry.

TO MAKE A CAT5 CABLE

Equipment needed

Steps

  1. Using a crimping tool, remove the outer protective sleeve leaving around 25mm of cable exposed
  2. Next untwist each of the pairs of cables
  3. Line up the wires in accordance with the wiring diagram above
  4. Again using the crimping tool cut the cable leaving about 12-15mm of cable exposed.
  5. Push the cables into the RJ45 connector
  6. Use the crimping tool to crimp the RJ45 connector on the the cable
  7. Cut the CAT5 cable to the required length
  8. Repeat the process to put a connector on the far end

NOTES ON CAT5 WIRING

There is an alternate wiring convention for CAT5 cables called 568-A. See diagram below:

Cat5 568-A Type Wiring Diagram

The most common use of this convention would be use a Type A and a Type B connector to make a cross over cable.

Types of CAT5 Cable

  • The most commonly used cat5 cable is UTP (Un-shielded Twisted Pair) cable. This is suitable for homes and offices
  • A more expensive option is to use FTP (Foil shielded Twisted Pair) cable
  • Which gives greater interference protection when running next to power cables

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