| Ethernet 100Base-T4 | ||
| PIN | DESCRIPTION | |
| 1 | TX_D1+ | Transceive Data+ |
| 2 | TX_D1- | Transceive Data- |
| 3 | RX_D2+ | Receive Data+ |
| 4 | BI_D3+ | Bi-directional Data+ |
| 5 | BI_D3- | Bi-directional Data- |
| 6 | RX_D2- | Receive Data- |
| 7 | BI_D4+ | Bi-directional Data+ |
| 8 | BI_D4- | Bi-directional Data- |
| 10BaseT and 100BaseT Cross Cable | |||
| Pin | Color Code | Color Code | Pin |
| 1 | White/Orange | White/Green | 1 |
| 2 | Orange | Green | 2 |
| 3 | White/Green | White/Orange | 3 |
| 4 | Blue | Blue | 4 |
| 5 | White/Blue | White/Blue | 5 |
| 6 | Green | Orange | 6 |
| 7 | White/Brown | White/Brown | 7 |
| 8 | Brown | Brown | 8 |