RJ45 DB9 Color
1-------------6 Blue
2-------------4 Orange
3-------------1 Black
4-------------5 Red
5-------------3 Green
6-------------2 Yellow
7-------------7 Brown
8-------------8 White



RJ45                    DB9
1 <---------------------->4
2 <---------------------->4
3 <---------------------->1,6
4 <---------------------->5
5 <---------------------->3
6 <---------------------->2
7 <---------------------->7
8 <---------------------->8