The U-385 cord jack is used for military and civilian stereo aviation cords. We also use the U-385/U as part of our quick disconnect ANR cord. The U-385/U mates with the U-384/U cord plug.

Wiring Configuration

Civilian Stereo:	Military Stereo:	ANR Quick Disconnect:
Microphone High to Pin 1	Microphone Low to Pin 1	Battery Voltage to Pin 1
Microphone Low to Pin 2	Microphone High to Pin 2	Audio High to Pin 2
Earphone Left High to Pin 3	Earphone Left High  to Pin 3	Microphone High to Pin 3
Earphone Right High to Pin 4	Earphone Right High to Pin 4	Audio Low to Pin 4
Earphones Low to Pin 5	Earphones Low to Pin 5 and shield	Microphone Low to Pin 5

Other items you may need:

U-384 Cord Plug