PalmOne Treo 650, 700, 755p and Centro headset / handsfree diagram pinout

PDA connectors and cables

4 pin 3.5mm (2.5mm) plug connector layout

4 pin 3.5mm (2.5mm) plug connector
at the headset cable

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.

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Pinouts.ru > PDA, HandHeld computers ports pinouts > Pinout of PalmOne Treo 650, 700, 755p and Centro headset / handsfree diagram and layout of 4 pin 3.5mm (2.5mm) plug connector	Is it correct?:	should be correct
Source(s) of this and additional information: Palm Developer Guide, Palm OS Platform, Software and Hardware, Rev. G Contributor: dhawo	5 reports
Last updated 2008-06-28 21:56:54. Edit this page.	Is this document correct or incorrect? What is your opinion?

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