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12 pin Siemens Lumberg cell phone proprietary connector layout
12 pin Siemens Lumberg cell phone proprietary connector
also for A56,C56,M56,S56,SL56,ML56
PC USB Pin SIEMENS Pin Description
1 1 USB Vbus
2 4 USB D-
3 3 USB D+
4 2,5,6,7 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
According to 8 reports in our database (6 positive and 0 negative) the 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 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:click to enlarge
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