| Pin | Signal | Description |
| 10,17,18 | +Battery | |
| 9 | Tx | Serial Out |
| 12 | Rx | Serial In |
| 14 | DC GND |
LG 330W uses different connector with same pinout

| Pin | Signal | Description |
| 10,17,18 | +Battery | |
| 9 | Tx | Serial Out |
| 12 | Rx | Serial In |
| 14 | DC GND |
LG 330W uses different connector with same pinout