Serial Cable DB9F to 3.5mm DCS2

6 Foot DB9-Female to 3.5mm TRS Connector Male

Generic Serial Transfer Cable For Devices
Stereo 3.5 mm Jack.
to DB9-F Serial Port.
Primarily used to transfer Serial Data back and forth from Small devices.


Wiring Schematic

DB9           TRS Tip-Ring-Sleeve Connector 3.5mm 
Pin 1-6-7-8   
Pin 2         Tip - Left
Pin 3         Ring - Right
Pin 4         Open
Pin 5         Ground	
Pin 9	      Open
Shell	      Sleeve-Shield-Ground