Advantech EKI-7657C - Manual (Page 107)

97
Figure A.4: DB 9-pin female connector
DB9 Connector RJ-45 Connector
NC 1 Orange/White
2 2 Orange
3 3 Green/White
NC 4 Blue
5 5 Blue/White
NC 6 Green
NC 7 Brown/White
NC 8 Brown