| Pin Number |
Pin Name |
Description (may be empty) |
| 1 | Ground | |
| 2 | Dock Sense 1 | |
| 3 | Dock Sense 2 | |
| 4 | Microphone input | biased |
| 5 | Audio out left | |
| 6 | Audio out right | |
| 7 | Mute Radio | |
| 8 | Car lights Sense | |
| 9 | Spare | |
| 10 | TXD | 3V |
| 11 | RXD | 3V |
| 12 | RTS | 3V |
| 13 | CTS | 3V |
| 14 | (?) DC out | +3.3V |
| 15 | Dock power | +5V |

