Automotive LiDAR sensors from Velodyne, Ouster, and Hesai use M12 or proprietary circular connectors for power, Ethernet data output, GPS synchronization, and configuration of spinning or solid-state laser scanners.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VCC | 12V or 24V power | PWR |
| 2 | GND | Ground | GND |
| 3 | ETH_TX+ | Gigabit Ethernet TX+ | BUS |
| 4 | ETH_TX- | Gigabit Ethernet TX- | BUS |
| 5 | ETH_RX+ | Gigabit Ethernet RX+ | BUS |
| 6 | ETH_RX- | Gigabit Ethernet RX- | BUS |
| 7 | GPS_PPS | GPS pulse per second sync | BUS |
| 8 | GPS_NMEA | GPS NMEA data | BUS |