RJ45

Function

Color

DB9

DB25

1

CTS

Blue

8

5

2

CD

Orange

1

8

3

RX

Black

2

3

4

SG

Red

5

7

5

SG

Green

5

7

6

TX

Yellow

3

2

7

DTR

Brown

4

20

DSR

6

6

8

RTS

White

7

4