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3 pin stereo plug connector layout
3 pin stereo plug connector
at the Garmin GPS unit
The pinout should fit 4 devices/models. Click to list>
Garmin GPS unit Pin
Name		 Garmin GPS unit Pin
Number		 Direction PC Pin
Number		 PC Pin
Name		 Description
RXD 1 --> 2 RXD  
TXD 2 <-- 3 TXD  
GND 3 --- 5 GND  
 
9 pin D-SUB female connector layout
9 pin D-SUB female connector
at the PC
Pinout status: +10 -0
According to 12 reports in our database (10 positive and 0 negative) the Garmin Foretrex 101,201, Forerunner 201 to Serial DB9 cable schematic pinout should be correct.

Is this pinout
NO DIY devices
Garmin Foretrex 101,201, Forerunner 201 to Serial DB9 cable schematic visual pinout:click to enlarge
Source(s) of this and additional information: http://noisygecko.com/Projects/Treo600ForetrexGPSCable
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