connector or cable wiring scheme usb and serial pinouts
18 pin
LG plain cell phone special connector at the mobile phone. Keyboard
up , left to right
| Pin | Signal | Description |
|---|---|---|
| 1,11,18 | GND | Also Audio GND from phone |
| 6,7 | USB V+ | |
| 4 | USB V+ | ? |
| 11 | Headset sense? | |
| 12 | RX / USB D- | |
| 13 | TX / USB D+ | |
| 14 | Right Audio Out | |
| 15 | Left Audio Out | |
| 17 | Mic In |
USB pinout
| Pin | Signal | Description |
|---|---|---|
| 1,18 | GND | black wire |
| 4 | USB Vcc | red wire |
| 12 | USB D- | white wire |
| 13 | USB D+ | green wire |