Mk.II Locator pinouts
Power input (3-pin XLR)
3-pin XLR male (socket) on the Datatrak.
| Pin | Dir | Function |
|---|---|---|
| 1 | IN | Ignition Sense |
| 2 | pwr | +13.8V |
| 3 | pwr | GND |
Serial ports (COM 1/COM 2)
9-pin female D-sub on the Datatrak.
| Pin | Dir | Function |
|---|---|---|
| 1 | ||
| 2 | IN | RS232 RXD |
| 3 | OUT | RS232 TXD |
| 4 | IN | RS232 CTS  |
| 5 | OUT | RS232 RTS |
| 6 | ||
| 7 | pwr | GND |
| 8 | ||
| 9 | pwr | +12V Out |
Datatrak to PC 9-pin serial port adapter
| Datatrak (DE9M) | PC (DE9F) |
|---|---|
| 2 (RxD) | 3 (TxD) |
| 3 (TxD) | 2 (RxD) |
| 4 (CTS ) | 7 (RTS) |
| 5 (RTS ) | 8 (CTS) |
| 7 (GND) | 5 (GND) |