| Pin | Signal | Description | 
| 1 | Gnd | |
| 2 | Rx | USB D+ at least in NEC N8, E616, E313. | 
| 3 | Tx | USB D- at least in NEC N8, E616, E313. | 
| 4 | Vcc | USB +5V | 
| 5 | + | charger input, power from PC USB (+5V) may be used for charging | 
Pins 4,5 should be shorted together and pins 8,9,10 should be shorted together in USB data cable



 correct
correct incorrect
incorrect