
6 Foot DB9-Female to 3.5mm TRS Connector Male
Generic Serial Transfer Cable For DevicesStereo 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