CiscoConsoleCableDIY.md

DB9 pin	Color
1	BLUE
2	ORANGE
3	BLACK
4	RED
5	GREEN
6	YELLOW
7	BROWN
8	WHITE

RJ45 pin#	Color
1	GREEN-WHITE
2	GREEN
3	ORANGE-WHITE
4	BLUE
5	BLUE-WHITE
6	ORANGE
7	BROWN-WHITE
8	BROWN

RJ45 to DB9 - Cisco Console Cable

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

*Note: Pins 4 and 5 are not used in the standard RS-232C interface. However, some devices use these pins for handshaking. If you are using a device that requires handshaking, connect pins 4 and 5 to the appropriate handshaking pins on the device.