![14 pin Ericsson cellphone special](mobile18-1.gif) 14 pin Ericsson cellphone special connector at the mobile phone | Pin
| Dir
| Description |
1 | ![<--](mobile18-2.gif) | Voice |
2 | ![<--](mobile18-2.gif) | +5V=External Power, 0V=Battery |
3 | ![-->](mobile18-3.gif) | Ext Speak control |
4 | - | Analog GND |
5 | ![-->](mobile18-3.gif) | Voice |
6 | ![-->](mobile18-3.gif) | +5V=POWER ON, 0V=POWER OFF |
7 | ![-->](mobile18-3.gif) | Charger control |
8 | - | Digital/DC GND |
9 | ![<--](mobile18-2.gif) | 0V=normal,+5V=test, +12V=test+flash |
10 | ![<--](mobile18-2.gif) | Hook |
11 | ![<--](mobile18-2.gif) | Rx (TTL serial in) |
12 | ![-->](mobile18-3.gif) | Tx (TTL serial out) |
13 | ![<--](mobile18-2.gif) | 0V for aprox 1 sec = POWER ON/OFF |
14 | ![<--](mobile18-2.gif) | DC Power supply |
Direction is phone relative world.
Source:www.pinouts.ru
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