Siemens A52, A55, A56, A60, C55, C56, C60, C65, CF62, CT56, M55, MC60, MT55, S55, S56, S57, S65, SL5C, SL55, SL56, 2218, SX1 cell phones

full pinout

12 pin Siemens Slim Lumberg cellphone special connector  at the mobile phone

Mobile phone interface pin Description SX1 pinout 1 Vbatt? Power Charging (Vbus in in x65, SX1) 2 Gnd GND (usb GND in x65, SX1 USB cable) 3 Tx TX (usb D+ in x65, SX1) 4 Rx RX (usb D- in x65, SX1) 5 CTS CTS, Data Line For Accesory 6 RTS RTS, Data Line For Accesor 7 DCD DCD, Clockline For Accesory 8 Audio P AUDIO L 9 - AUDIO GND 10 Audio N AUDIO R 11 GND Mic GND (EXT MIC.) 12 EPP EPP 1 (EXT MIC.) Pins 5,6,7 should be shorted by 10KOhm resistors to pin 2 in x65, SX1 USB cable. Source:www.pinouts.ru -->