A-N (Alcatel, ..., NEC) cell phones and Smartphones connectors  > Benq pinouts
Pin Pin
Name
Description
1 TX/D+  USB pin 3 (Green)
2 RX/D-  USB pin  2 (White)
3.4 Det_USB  Join
5.6 GND  USB pin 4 (Black)
7 +5V  USB pin 1 (Red)

Benq-Siemens EF81 cell phones pinout by GSMBoriss

12 pin Siemens Slim Lumberg cell phone proprietary of Benq-Siemens EF81 cell phones cable connector connector layout
12 pin Siemens Slim Lumberg cell phone proprietary connector
4 pin USB A receptacle connector layout
4 pin USB A receptacle connector
According to 2 reports in our database (2 positive and 0 negative) this pinout should be correct.

Is this pinout
Benq-Siemens EF81 cell phones cable connector visual pinout:
Benq-Siemens EF81 cell phones cable connector diagram
click to enlarge
Source(s) of this and additional information: , mod_by slfl, http://forum.allsiemens.com/viewtopic.php?p=592628#592628
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