25 pin connector 9 pin connector

here are the cable pinouts
25pin..........9 pin
pin 1 unused pin 1unused
pin 2 goes to pin 2
pin 3 goes to pin 3
pin 4 goes to pin 8
pin 5 goes to pin 7
pin 6 goes to pin 4
pin 7 goes to pin 5
pin 20 goes to pin 6