RJ45 Pinouts

Straight Thru Cable

Pair 2 Pair 2

Pair 1 Pair 2 Pair 4 Pair 1 Pair 3 Pair 4

1 1

2 2

1 2 3 4 5 6 7 8 3 3 1 2 3 4 5 6 7 8

4 4

5 5

6 6

7 7

Fluke 620 LANMeter

12 36 45 78

12 36 45 78

8 8

T568B T568B

Cross-Over Cable or Cross Connect Cable

Pair 2 Pair 2

Pair 1 Pair 3 Pair 4 Pair 1 Pair 3 Pair 4

1 1

2 2

1 2 3 4 5 6 7 8 3 3 1 2 3 4 5 6 7 8

4 4

5 5

6 6

7 7

Fluke 620 LANMeter

12 36 45 78

36 12 45 78

8 8

T568A T568B

Roll-Over Cable or Console Cable

Pair 2 Pair 2

Pair 1 Pair 3 Pair 4 Pair 1 Pair 3 Pair 4

1 1

2 2

1 2 3 4 5 6 7 8 3 3 1 2 3 4 5 6 7 8

4 4

5 5

6 6

7 7

Fluke 620 LANMeter

12 36 45 78

87 54 63 21

8 8

T568B