| PIN | I/O | Function |
|---|---|---|
| 1 | I | RS232 Rx |
| 2 | I | +8 V to +30 V Power. Ignition switched feed |
| 3 | I/O | CAN Low |
| 4 | I/O | CAN High |
| 5 | O | Analogue Output |
| 6 | I | Lap Marker Input / Brake Trigger Input |
| 7 | O | Speed Pulse / Lap Beacon |
| 8 | O | RS232 Tx |
| 9 | I | Ground |
09 - Speed Sensor PIN OUTS