RJ45 pin 4 (TX_D3+): Pin7 TD_B_P of DP83867E 6. RJ45 pin 5 (TX_D3-): Pin 8 TD_B_N of DP83867E 7. RJ45 pin 7 (TX_D4+): Pin 10 TD_A_P of DP83867E 8. RJ45 pin 8 (TX_D4-): Pin 11 TD_A_N of DP83867E The ...