Pin 1: Mouse Vertical
Pin 1: Unused
Pin 2: Mouse Horizontal
Pin 2: Unused
Pin 3: Mouse Vertical Quadrature
Pin 3: Unused
Pin 4: Mouse Horizontal Quadrature Pin
4: Unused
Pin 5: Mouse Button 3 (Middle)
Pin 5: Light Pen Press
Pin 6: Mouse Button 1 (Left)
Pin 6: *Light Pen (Capture Beam Pos)
Pin 7: +5V (50 mA maximum.)
Pin 7: +5V (50 mA maximum.)
Pin 8: Ground
Pin 8: Ground
Pin 9: Mouse Button 2 (Right)
Pin 9: Unused
Digital Joystick: Analog (Proportional) Joystick:
Pin 1: *Forward
Pin 1: Button 3
Pin 2: *Back
Pin 2: Unused
Pin 3: *Left
Pin 3: Button 1
Pin 4: *Right
Pin 4: Button 2
Pin 5: Unused
Pin 5: Pot X (Horizontal Control)
Pin 6: *Fire
Pin 6: Unused
Pin 7: +5V (50 mA maximum.)
Pin 7: +5V (50 mA maximum.)
Pin 8: Ground
Pin 8: Ground
Pin 9: Fire Button 2
Pin 9: Pot Y (Vertical Control)