Tuesday, May 20, 2025

How can make LAN Cable

To make a LAN (Ethernet) cable, you'll need some tools and components. Here's a step-by-step guide for making a Cat5e or Cat6 Ethernet cable with RJ45 connectors:


What You Need:

  1. Ethernet cable (Cat5e, Cat6, etc.)
  2. RJ45 connectors (8P8C plugs)
  3. Crimping tool
  4. Cable stripper or utility knife
  5. Cable tester (optional, for testing after crimping)

Wiring Standards:

There are two common wiring standards:

  • T568A
  • T568B (most commonly used)

T568B Color Order (from pin 1 to 8):

  1. White-Orange
  2. Orange
  3. White-Green
  4. Blue
  5. White-Blue
  6. Green
  7. White-Brown
  8. Brown

Steps to Make the Cable:

  1. Cut the Cable to the desired length.

  2. Strip the Outer Jacket

    • Use the cable stripper to remove about 1 inch (2.5 cm) of the outer insulation.
    • Be careful not to cut the inner wires.
  3. Untwist the Wire Pairs and straighten them.

  4. Arrange the Wires in the correct color order (T568B is recommended).

  5. Trim the Wires Evenly to about 1/2 inch (1.3 cm) in length.

  6. Insert Wires into the RJ45 Connector

    • Make sure the clip is facing down.
    • Each wire should slide into its channel inside the plug.
  7. Crimp the Connector

    • Insert the connector into the crimping tool and squeeze firmly.
  8. Repeat on the Other End

    • Use the same wiring standard (usually T568B) unless you are making a crossover cable.
  9. Test the Cable

    • Use a cable tester to ensure all connections are correct.

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