Relper Lineso DB9Pin Female to DC3.5mm Serial Cable-6 Feet Black;

Color:DB9 Female To DC 3.5mm Cable

6feet DB9 Female to 3.5mm Serial Cable

DB9Pin Serial Transfer Cable For Devices

Stereo 3.5 mm Jack to DB9 Pin Female Serial Port.

Primarily used to transfer Serial Data back and forth from Small devices.

Wiring Schematic:

DB9 TRS Connector / Audio DC3.5mm

Pin 1-6-7-8 open

Pin 2 Tip - Left

Pin 3 Ring - Right

Pin 4 open

Pin 5 Shield - Ground

Pin 9 open