| Pin | Signal | Description |
| 2,3 | Charge in | may be charged from PC USB +5V power |
| 16 | Data out | |
| 15 | Data in | |
| 18,20,22 | GND | shorted in cable |
| 19 | Rx | |
| 23 | Tx |
| Pin | Signal | Description |
| 2,3 | Charge in | may be charged from PC USB +5V power |
| 16 | Data out | |
| 15 | Data in | |
| 18,20,22 | GND | shorted in cable |
| 19 | Rx | |
| 23 | Tx |