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4 pin 3.5mm (2.5mm) plug connector layout
Разъем 4 pin 3.5mm (2.5mm) plug
at the cable
Для этой распиновки есть 1 совместимых устройств. Показать>
iPod Pin Pin
Name		 USB pin usb color
1 USB DATA - / Left Channel 2  white
2 USB DATA + / Right Channel 3  green
3 GND Casing  black
4 VCC 1  red

 Remember that this jack is also the headphone jack. The conversion from audio to USB data (+ and -) occurs in the circuit board within the adapter base.  Also there is a common diode between the VCC and GND to ensure perfect isolation of VCC.

  When charging is needed from anything other than the stock base, ground pin 3 and apply Vcc to pins 1, 2, and 4 on the audio jack.

 

4 pin USB A plug connector layout
Разъем 4 pin USB A plug
Статус распиновки: +24 -2
На распиновку Apple iPod Shuffle (2G) USB interface есть 26 отзыв(а): 24 положительных и 2 отрицательных.

Эта распиновка
Нет DIY устройств
Источник(и) этой и дополнительной информации: blog.makezine.com, http://www.beyondlogic.org/usbnutshell/usb2.htm
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