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Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide
OL-17309-02
Appendix D Industry-Standard Wiring Plans
Telephone Wire Color Codes
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.
91RedBrown34
92BrownRed9
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 D-2 Telephone Industry 25-Pair Color Code and Pin Numbers (continued)
Pair Number Wire Number Solid Color Stripe Color Pin Number