11 pin Ericsson mobile special connector at the mobile phone (keypad up) |
bottom
Pin |
Name |
Direction |
Description |
| 1 |
audio |
 |
Audio to mobile |
| 2 |
RTS |
 |
Audio from mobile + RTS |
| 3 |
CTS |
 |
CTS + Mobile on request |
| 4 |
data in |
|
Data to mobile (Rx) |
| 5 |
data out |
|
Data from mobile (Tx) |
| 6 |
ACC in |
|
Accessory control to mobile |
| 7 |
ACC out |
|
Accessory control from mobile + handsfree sense |
| 8 |
GND |
|
Audio signal ground + 0V reference |
| 9 |
flash |
|
Flash memory voltage + Service |
| 10 |
GND |
|
Digital ground |
| 11 |
Vcc |
|
DC + for battery charging + External accessory powering |
There is alternative pinout. This should work at least for T2x/T6x:
| 6 |
RX |
| 7 |
TX |
| 9 |
Test, must be shorted to the pin 11 |
| 10 |
GND |
| 11 |
+5v |
| |
