Telco wire colors for 25-pair cables
Colors used in telco wires
| Group 1 | Group 2
|
| white | blue
|
| red | orange
|
| black | green
|
| yellow | brown
|
| violet | slate
|
Color codes for 25-pair cables
| Pair | Tip | Ring
|
| 1 | white/blue | blue/white
|
| 2 | white/orange | orange/white
|
| 3 | white/green | green/white
|
| 4 | white/brown | brown/white
|
| 5 | white/slate | slate/white
|
| 6 | red/blue | blue/red
|
| 7 | red/orange | orange/red
|
| 8 | red/green | green/red
|
| 9 | red/brown | brown/red
|
| 10 | red/slate | slate/red
|
| 11 | black/blue | blue/black
|
| 12 | black/orange | orange/black
|
| 13 | black/green | green/black
|
| 14 | black/brown | brown/black
|
| 15 | black/slate | slate/black
|
| 16 | yellow/blue | blue/yellow
|
| 17 | yellow/orange | orange/yellow
|
| 18 | yellow/green | green/yellow
|
| 19 | yellow/brown | brown/yellow
|
| 20 | yellow/slate | slate/yellow
|
| 21 | violet/blue | blue/violet
|
| 22 | violet/orange | orange/violet
|
| 23 | violet/green | green/violet
|
| 24 | violet/brown | brown/violet
|
| 25 | violet/slate | slate/violet
|