DB25 pin cable Straight-through wiring (i.e. pin 1 to pin 1) design per industry standards: 1-black, 2-brown, 3-red, 4-orange, 5-yellow, 6-green, 7-blue, 8-purple, 9-gray 10 white, 11 black and white, 12 brown white, 13 pink, 14 light green, 15 light blue