You are viewing an older revision! See the latest version

Ethernet RJ45

Table of Contents

  1. Hardware

Hardware

This is the standard RJ45 pinout for Ethernet. To make it easier, Sparfun offers a RJ45 Breakout Board. the following is for a specific magjack but for all straight through jacks see next section.

            |   |   |   |         
          --||--||--||--||-----   Socket mbed
        /  8 | 6 | 4 | 2 |    /|       1 RD+
       /    7   5   3   1    / |       2 
      /                     /  |       3 RD-
     /    Bel Stewart      /   |       4 TD-
    /      MagJack        /    |       5
   /     SI-60002-F      /     |       6 TD+
  /___________________  /      |       7                                       a                
 |      --------       |       |       8                                                       
 |    --        --     |       |                                                               
 | --- |          ---- |      /                                                                
 ||    /--/-/-/-/-/-/-||     /                                 ___                   ________   
 ||   /  8 7 6 5 4 3 2||    /              ________________  -/   \-        ____    |   ____ |  
 ||  /  / / / / / / / ||   /      ,= ,++, /,  ,  ,  ,  ,  ,\|,  ,  ,| ,  , /,  ,| , |,  ,  ,_|  
 || /  / / / / / / / /||  /      ============================================================  
 ||/  ' ' ' ' ' ' ' ' || /        |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |    
 | ------------------- |/         |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |    
  ---------------------                                               ^  ^  ^  ^                
  Ethernet Socket Front           mbed Board                         TD+TD-RD+RD-

Straight jacks:

            |   |   |   |         
          --||--||--||--||-----   Socket mbed
        /  8 | 6 | 4 | 2 |    /|       1 RD+
       /    7   5   3   1    / |       2 RD-
      /                     /  |       3 TD-
     /                     /   |       4 
    /                     /    |       5
   /                     /     |       6 TD+
  /___________________  /      |       7                                       a                
 |      --------       |       |       8                                                       
 |    --        --     |       |                                                               
 | --- |          ---- |      /                                                                
 ||    /--/-/-/-/-/-/-||     /                                 ___                   ________   
 ||   /  8 7 6 5 4 3 2||    /              ________________  -/   \-        ____    |   ____ |  
 ||  /  / / / / / / / ||   /      ,= ,++, /,  ,  ,  ,  ,  ,\|,  ,  ,| ,  , /,  ,| , |,  ,  ,_|  
 || /  / / / / / / / /||  /      ============================================================  
 ||/  ' ' ' ' ' ' ' ' || /        |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |    
 | ------------------- |/         |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |    
  ---------------------                                               ^  ^  ^  ^                
  Ethernet Socket Front           mbed Board                         TD+TD-RD+RD-

Please note that other brands and references might not match the above, as is the case with Han Run HY911103A

All wikipages