Appendix A
Industry-Standard Wiring Plans
For smaller numbers of wires, such as wires for an individual telephone station or terminal, you can use
a second color-code scheme.
paired-wire color code. The alternate color code is included because sometimes the station wire uses the
first three pairs of the standard color code (white-blue, blue-white, and so on), while other times it uses
the six alternate colored wires.
Table A-2
Pair Number
1
1
2
2
3
3
OL-5101-02
Table A-1
Second Color-Code Scheme for Smaller Numbers of Wires
Wire Number
Solid Color
1
White
2
Blue
1
White
2
Orange
1
White
2
Green
lists this color code and the usual correspondence with the
Stripe Color
Blue
White
Orange
White
Green
White
Cisco 7204 Installation and Configuration Guide
Alternate Color
Pin Number
Green
4
Red
3
Black
2
Yellow
5
White
1
Blue
6
A-3