Johnson 5100 Programming Cable

DB9 Female    5100    
2 - red    -  9
3 - blue   -  7
5 - green  -  8

6 - brown  - 12
8 - yellow - 10


DB9 Female Rear

\1 2 3 4 5/
 \6 7 8 9/

 /9 8 7 6\
/5 4 3 2 1\