| Signal name. | MPS Din Jack. |
| +5v | 1 |
| XDA (X axis displacement signal A) | 2 |
| XDB (X axis displacement signal B) | 3 |
| YDA (Y axis displacement signal A) | 4 |
| YDB (Y axis displacement signal B) | 5 |
| LB (signal from left mouse button) | 6 |
| MB (signal from middle mouse button) | 7 |
| RB (signal from right mouse button) | 8 |
| Ground | 9 |