| Pin | Signal | Description |
| 1 | Vbat | connected by 1N4001 diode to +5V supply in cable? |
| 2,3 | Charge | shorted by 1N4001 diode to pin 1 in cable? |
| 4 | PWON | shorted to pin 18 (VBAT) in cable? |
| 5,6,15,18 | Gnd | |
| 16 | Rx | |
| 17 | Tx |
| Pin | Signal | Description |
| 1 | Vbat | connected by 1N4001 diode to +5V supply in cable? |
| 2,3 | Charge | shorted by 1N4001 diode to pin 1 in cable? |
| 4 | PWON | shorted to pin 18 (VBAT) in cable? |
| 5,6,15,18 | Gnd | |
| 16 | Rx | |
| 17 | Tx |