Ericsson T10S, T18S, A1018S, 628, 688, 788 mobile phones connector


full pinout

12 pin Ericsson mobile special connector pin-out & layout

12 pin Ericsson mobile special connector  at the cellular phone

1Audio Out 
2Audio In 
3Accessory Sense. GND to enable External Mic and Speaker (Analog) 
4Audio Signal GND 
5Portable handsfree In.Internal/external mic and ear (0=External - open=Internal)
6Music Mute Out, High when phone is used. 
7In Flash Memory Voltage and Service Voltage,
In 0V=normal,+5V=test, +12V=test+flash
Test. Switch phone off and provide +5V and switch back on. (set comms at 9600, n,8,1)
8Logic Out, Status On. Sources over 100mA.+5V output
9TX (Data Out) from Mobile Station. Debug messages appear here at 112KBaud when in debug mode.TTL
10Digital Ground and DC return 
11Rx (Data in)TTL
12DC in for battery charging, DC out for accessory power+ external power supply 7.2Volt - 600mA

Ericsson 218/337/318/388 mobile phones connector

FLY-Bird 688, 288 mobile phones connector