Ethernet RJ45 pinout

I don't know how to connect my mbed to a RJ45 connector, I don't know the pinout of the connector. Which one is rx+, rx-, tx+ or tx-?


04 Nov 2010

Connect each line through a 0.1uF capacitor and ground the unused wires to reduce noise.

04 Nov 2010


Please check out my post:

This will help you hook up your MBED to Ethernet and TEST to see if it is working.


Jeff Mourich - Hillsboro, Oregon


It's very funny!!! I forgot connect again my ethernet cable to my router, so every test i did couldn't connect.

Everything working OK.


06 Nov 2010

Glad it works...Jeff