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4 pin USB A plug connector layout
4 pin USB A plug connector
Device 1
Pin Number
Device 1
Pin Name
Direction Device 2
Pin Number
Device 2
Pin Name
Description (may be empty)
4 GND   4 GND  Ground (-)
3 D+   2 D+  Data +
2 D-   1 D-  Data -
1 VCC   3 VCC  Power (+)
4 pin 3.5mm (2.5mm) plug connector layout
4 pin 3.5mm (2.5mm) plug connector
According to 2 reports in our database (2 positive and 0 negative) the Iriver s7 USB cable pinout should be correct.

Is this pinout
Iriver s7 USB cable visual pinout:click to enlarge
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