Nokia, Samsung, Motorola and other mobile phones cables pinouts  > Siemens pinouts
also for A56,C56,M56,S56,SL56,ML56
PC USB Pin SIEMENS Pin Description
11USB Vbus
24 USB D-
33 USB D+
42,5,6,7 GND
Pins 2,5,6,7 of Siemens connector are wired together. USB VBus may be not connected - should work without this connection.
4 pin USB A plug connector layout
4 pin USB A plug connector
at the PC
12 pin Siemens Lumberg cell phone proprietary of Siemens DCA-540 USB cable scheme for C65,CF65,CFX65,CT65,CX65,CXO65,CXT65,CXV65, CV65, M65,MC65,S65,SK65,SL65,SP65,C66,CT66,CX66,M66,S66, C70,CX70,CX70,CXT70,CXV70, C72,C75,CC75,CF75,CL75,CX75,M75,ME75,S75,SL75,SXG75, SX1 cell phones cable connector connector layout
12 pin Siemens Lumberg cell phone proprietary connector
According to 8 reports in our database (6 positive and 0 negative) this pinout should be correct.

Is this pinout
Siemens DCA-540 USB cable scheme for C65,CF65,CFX65,CT65,CX65,CXO65,CXT65,CXV65, CV65, M65,MC65,S65,SK65,SL65,SP65,C66,CT66,CX66,M66,S66, C70,CX70,CX70,CXT70,CXV70, C72,C75,CC75,CF75,CL75,CX75,M75,ME75,S75,SL75,SXG75, SX1 cell phones cable connector visual pinout:
Siemens DCA-540 USB cable scheme for C65,CF65,CFX65,CT65,CX65,CXO65,CXT65,CXV65, CV65, M65,MC65,S65,SK65,SL65,SP65,C66,CT66,CX66,M66,S66, C70,CX70,CX70,CXT70,CXV70, C72,C75,CC75,CF75,CL75,CX75,M75,ME75,S75,SL75,SXG75, SX1 cell phones cable connector diagram
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