Wiring Help

66 and 110 Block Wiring

Band Marked Color Code
	Wire/Color Code	Tip and Ring	Pair Number	50 Pin Positions	66 or 110 Block Positions
	White/Blue Blue/White	Tip 1 Ring 1	Pair 1	26 1	1 2
	White/Orange Orange/White	Tip 2 Ring 2	Pair 2	27 2	3 4
	White/Green Green/White	Tip 3 Ring 3	Pair 3	28 3	5 6
	White/Brown Brown/White	Tip 4 Ring 4	Pair 4	29 4	7 8
	White/Slate Slate/White	Tip 5 Ring 5	Pair 5	30 5	9 10
	Red/Blue Blue/Red	Tip 6 Ring 6	Pair 6	31 6	11 12
	Red/Orange Orange/Red	Tip 7 Ring 7	Pair 7	32 7	13 14
	Red/Green Green/Red	Tip 8 Ring 8	Pair 8	33 8	15 16
	Red/Brown Brown/Red	Tip 9 Ring 9	Pair 9	34 9	17 18
	Red/Slate Slate/Red	Tip 10 Ring 10	Pair 10	35 10	19 20
	Black/Blue Blue/Black	Tip 11 Ring 11	Pair 11	36 11	21 22
	Black/Orange Orange/Black	Tip 12 Ring 12	Pair 12	37 12	23 24
	Black/Green Green/Black	Tip 13 Ring 13	Pair 13	38 13	25 26
	Black/Brown Brown/Black	Tip 14 Ring 14	Pair 14	39 14	27 28
	Black/Slate Slate/Black	Tip 15 Ring 15	Pair 15	40 15	29 30
	Yellow/Blue Blue/Yellow	Tip 16 Ring 16	Pair 16	41 16	31 32
	Yellow/Orange Orange/Yellow	Tip 17 Ring 17	Pair 17	42 17	33 34
	Yellow/Green Green/Yellow	Tip 18 Ring 18	Pair 18	43 18	35 36
	Yellow/Brown Brown/Yellow	Tip 19 Ring 19	Pair 19	44 19	37 38
	Yellow/Slate Slate/Yellow	Tip 20 Ring 20	Pair 20	45 20	39 40
	Violet/Blue Blue/Violet	Tip 21 Ring 21	Pair 21	46 21	41 42
	Violet/Orange Orange/Violet	Tip 22 Ring 22	Pair 22	47 22	43 44
	Violet/Green Green/Violet	Tip 23 Ring 23	Pair 23	48 23	45 46
	Violet/Brown Brown/Violet	Tip 24 Ring 24	Pair 24	49 24	47 48
	Violet/Slate Slate/Violet	Tip 25 Ring 25	Pair 25	50 25	49 50

The assignments of wire pairs to plug and jack pins are as follows:

**T568A/B RJ45 Wiring**
Pin	T568A Pair	T568B Pair	Wire	T568A Color	T568B Color	Pins on plug face (jack is reversed)
1	3	2	tip	white/green stripe	white/orange stripe
2	3	2	ring	green solid	orange solid
3	2	3	tip	white/orange stripe	white/green stripe
4	1	1	ring	blue solid	blue solid
5	1	1	tip	white/blue stripe	white/blue stripe
6	2	3	ring	orange solid	green solid
7	4	4	tip	white/brown stripe	white/brown stripe
8	4	4	ring	brown solid	brown solid