A-2
Cisco 7206 Installation and Configuration Guide
OL-5102-02
Appendix A Industry-Standard Wiring Plans
Cables with more than 25 pairs of wires are constructed from 25-pair groups. Very large cables have
other variations generally not encountered inside terminal wire plants.
9
1
Red
Brown
34
9
2
Brown
Red
9
10
1
Red
Slate
35
10
2
Slate
Red
10
11
1
Black
Blue
36
11
2
Blue
Black
11
12
1
Black
Orange
37
12
2
Orange
Black
12
13
1
Black
Green
38
13
2
Green
Black
13
14
1
Black
Brown
39
14
2
Brown
Black
14
15
1
Black
Slate
40
15
2
Slate
Black
15
16
1
Yellow
Blue
41
16
2
Blue
Yellow
16
17
1
Yellow
Orange
42
17
2
Orange
Yellow
17
18
1
Yellow
Green
43
18
2
Green
Yellow
18
19
1
Yellow
Brown
44
19
2
Brown
Yellow
19
20
1
Yellow
Slate
45
20
2
Slate
Yellow
20
21
1
Violet
Blue
46
21
2
Blue
Violet
21
22
1
Violet
Orange
47
22
2
Orange
Violet
22
23
1
Violet
Green
48
23
2
Green
Violet
23
24
1
Violet
Brown
49
24
2
Brown
Violet
24
25
1
Violet
Slate
50
25
2
Slate
Violet
25
Table A-1
Telephone Industry 25-Pair Color Code and Pin Numbers (continued)
Pair Number
Wire Number
Solid Color
Stripe Color
Pin Number