|
On the STRAIGHT side, notice TX+ meets TX+, and RX+ meets RX+. On the crossed side, TX+ meets RX+ and TX- meets RX-. 10Base-T and 100Base-TX use 2 pairs (4 wires), hence pins 4-5 and 7-8 are not used. 100Base-T4 uses all eight wires, and the crossover pinout will be different. |
| ETHERNET PINOUTS USING EXTERNAL CROSSOVER | ||||
| 10BASET | ||||
| (NO INTERNAL HUB CROSSOVER) | ||||
| PIN | FUNCTION | COLOUR CODE | FUNCTION | PIN |
| 1 | TD+ | WHITE/ORANGE | RD+ | 1 |
| 2 | TD- | ORANGE/WHITE | RD- | 2 |
| 3 | RD+ | WHITE/GREEN | TD+ | 3 |
| 4 | NOT USED BY 10BT | 4 | ||
| 5 | NOT USED BY 10BT | 5 | ||
| 6 | RD- | GREEN/WHITE | TD- | 6 |
| 7 | NOT USED BY 10BT | 7 | ||
| 8 | NOT USED BY 10BT | 8 |