LAPLINK PINOUT Traveling software's parallel data tranfer cable must be used with their Lap-Link software, but if you damage your cable, anew one is $69.00! This diagram is intended to help L.L. owners repair Lap-Link parallel cables. Lap Link III and IV parallel pinouts. (Pin to pin) 1 - 1 2 - 15 3 - 13 4 - 12 5 - 10 6 - 11 10 - 5 11 - 6 12 - 4 13 - 3 15 - 2 14 - 14 16 - 16 17 - 17 25 - 25