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4 pin 3.5mm (2.5mm) plug connector layout
Разъем 4 pin 3.5mm (2.5mm) plug
4 conductor diagram
Pin Pin
Name
Description
1 Left audio channel (tip)
2 Right audio channel (1st ring)
3 Microphone input channel (2nd ring)
4 Ground Common ground

If 3-pin 2.5 mm standard headphone headset detected, the pinout is following: pin 1 (tip) - mic, pin 2 - earbud, pin 3 - ground.

На распиновку PalmOne Treo 650, 700, 755p and Centro headset / handsfree diagram есть 6 отзыв(а): 3 положительных и 1 отрицательных.

Эта распиновка
Источник(и) этой и дополнительной информации: Palm Developer Guide, Palm OS Platform, Software and Hardware, Rev. G
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