The colour coding for backbone unshielded
twisted-pair cables is given in Table 9.5
Table 9.5 - Colour coding for backbone
UTP data cables
|
|||||
Tip conductors |
Ring conductors | Tip conductors |
Ring conductors | ||
White/blue |
Pair 1 |
Blue/white |
Black/brown |
Pair 14 |
Brown/black |
White/orange |
Pair 2 |
Orange/white |
Black/slate |
Pair 15 | Slate/black |
White/green |
Pair 3 |
Green/white |
Yellow/blue | Pair 16 | Blue/yellow |
White/brown |
Pair 4 |
Brown/white | Yellow/orange |
Pair 17 | Orange/yellow |
White/slate |
Pair 5 |
Slate/white |
Yellow/green |
Pair 18 |
Green/yellow |
Red/blue | Pair 6 |
Blue/red |
Yellow/brown | Pair 19 |
Brown/yellow |
Red/orange |
Pair 7 |
Orange/red |
Yellow/slate |
Pair 20 |
Slate/yellow |
Red/green | Pair 8 | Green/red | Violet/blue |
Pair 21 | Blue/violet |
Red/brown | Pair 9 |
Brown/red |
Violet/orange |
Pair 22 | Orange/violet |
Red/slate | Pair 10 |
Slate/red |
Violet/green | Pair 23 |
Green/violet |
Black/blue | Pair 11 | Blue/black | Violet/brown |
Pair 24 |
Brown/violet |
Black/orange | Pair 12 |
Orange/black | Violet/slate |
Pair 25 |
Slate/violet |
Black/green | Pair 13 |
Green/black |
Extracted from The Electricians Guide Fifth Edition
by John Whitfield
Published by EPA Press Click Here to order your Copy.