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