| Stecker | Pin | Name | Bezeichnung |
| 10/100 Base-T | 1 | Transmit Data + | |
| 10/100 Base-T | 2 | Transmit Data - | |
| 10/100 Base-T | 3 | Receive Data + | |
| 10/100 Base-T | 4 | Not connected | |
| 10/100 Base-T | 5 | Not connected | |
| 10/100 Base-T | 6 | Receive Data - | |
| 10/100 Base-T | 7 | Not connected | |
| 10/100 Base-T | 8 | Not connected | |
| AUI | 1 | Control in circuit shield | |
| AUI | 2 | Control in circuit A | |
| AUI | 3 | Data Out circuit A | |
| AUI | 4 | Data in circuit shield | |
| AUI | 5 | Data In circuit A | |
| AUI | 6 | Voltage common | |
| AUI | 7 | Control out + | |
| AUI | 8 | Control out circuit shield | |
| AUI | 9 | Control in circuit B | |
| AUI | 10 | Data out circuit B | |
| AUI | 11 | Data out circuit shield | |
| AUI | 12 | Data in circuit B | |
| AUI | 13 | Voltage plus | |
| AUI | 14 | Voltage shield | |
| AUI | 15 | Control out ground | |
| 100Base-T4 | 1 | Transmit Data + | |
| 100Base-T4 | 2 | Transmit Data - | |
| 100Base-T4 | 3 | Receive Data + | |
| 100Base-T4 | 4 | Bi-directional Data + | |
| 100Base-T4 | 5 | Bi-directional Data - | |
| 100Base-T4 | 6 | Receive Data - | |
| 100Base-T4 | 7 | Bi-directional Data + | |
| 100Base-T4 | 8 | Bi-directional Data - | |
| FDDI over Copper | 1 | Receive - | |
| FDDI over Copper | 2 | Receive + | |
| FDDI over Copper | 3 | Not connected | |
| FDDI over Copper | 4 | Not connected | |
| FDDI over Copper | 5 | Not connected | |
| FDDI over Copper | 6 | Not connected | |
| FDDI over Copper | 7 | Transmit - | |
| FDDI over Copper | 8 | Transmit + |