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6 pin 4 pole 1/8 inch plug + 2 rings iPod proprietary connector layout
6 pin 4 pole 1/8 inch plug + 2 rings iPod proprietary connector
The 3rd generation iPod introduced a new headphone and remote connector, which carries audio data and remote control data to the iPod. The remote control data is sent via a serial Apple Accessory Protocol. Note, on the iphone, itouch, ipad devices, the base ring is used for microphone input.
Wire Color
in cable
Generation 2
 
Generation 3
 
Signal
 
black Tip
 
Tip
 
Audio, left
white pin 2 Ring (Next-to-tip)
 
R1 Ring
 
Audio, right
red pin 3 Ring (3rd ring from end)
 
R2 Ring
 
Audio ground
 
green Sleeve (4th ring from end)
 
pin 1
 
Serial RxD
 
blue inner ring
 
pin 4
 
Power to remote, +3.3v
 
yellow outermost ring
 
pin 3
 
Digital ground
 

 

 
pin 2
 
Serial TxD
 

 

 
sl - Sleeve
 
Video out on iPod photo and 5 gen iPod

Serial lines are TTL and not compatible RS232 levels - can not be connected directly to PC.

Here is a simple RS232-TTL converter, which may be used to connect iPOD to PC serial port.
PC 9 pin D-SUB --------------------- iPOD special connector
iPod serial computer cable schematic
8 pin 4 pole plug + 4 pin iPod proprietary connector layout
8 pin 4 pole plug + 4 pin iPod proprietary connector
According to 5 reports in our database (5 positive and 0 negative) this pinout should be correct.

Is this pinout
Apple iPod, iTouch, iPad remote and headphone visual pinout:click to enlarge
Source(s) of this and additional information: Apple iPod Remote Control Protocol, ipodlinux.org, testing
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