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A small breakout board for an Ethernet jack with magnetics.
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README.md

This repository contains KiCad 4.x files for a small breakout board which allows an Ethernet jack (with built-in magnetics) to be used on a breadboard. For example usage, see this blog post.

Breakout board on a breadboard

Bill of Materials

Pins

  • TD+, TCT, and TD-: positive, center tap, and negative pin for the transmit side
  • TD+, RCT, and RD-: ditto for receive side
  • GND: ground pin on the MagJack
  • SHLD: metal housing of the MagJack
  • G_A and G_K: anode and cathode for the green LED
  • Y_A and Y_K: ditto for the yellow LED
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