connector or cable wiring scheme this cell phones may be directly connected to the PC USB port
10 pin cell phone
special connector at the mobile phone
4 pin USB A or
USB B plug connector at the computer cable
| Pin | Signal | Description |
|---|---|---|
| 1 | Gnd | |
| 2 | USB D+ | connected with PC USB D+ (pin 3) in USB data cable |
| 3 | USB D- | connected with PC USB D- (pin 2) in USB data cable |
| 4 | USB Vbus | connected with PC USB Vbus (pin 1) in USB data cable |
| 7 | Rx | at least for VS2, VS3 |
| 9 | Tx | at least for VS2, VS3 |
Notes
- +9v additional power needed in COM (not USB) cable