 14 pin unspecified cellphone special connector at the mobile phone (keypad up) | Pin Number | Pin Name | Direction | Description |
| 1 | GND | --- | |
| 2 | A GND | -?- | |
| 3 | IBUS | -?- | |
| 4 | GND | --- | |
| 5 | IBUS | -?- | |
| 6 | | -?- | |
| 7 | | -?- | |
| 8 | | -?- | |
| 9 | GND | --- | |
| 10 | V OUT, +5V | -?- | |
| 11 | RX | <-- | |
| 12 | TX | --> | |
| 13 | V IM | -?- | |
| 14 | | -?- | |
pin 8 R=1KOm to +5v
Source:www.pinouts.ru
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