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Figure 22 RJ-45 connector pinout
PIN #8
PIN #1
EIA/TIA cabling specifications define two standards, 568A and 568B, for cable pinouts.
Standard 568A—Pin 1: white/green stripe, pin 2: green solid, pin 3: white/orange stripe, pin 4:
•
blue solid, pin 5: white/blue stripe, pin 6: orange solid, pin 7: white/brown stripe, pin 8: brown
solid.
Standard 568B—Pin 1: white/orange stripe, pin 2: orange solid, pin 3: white/green stripe, pin 4:
•
blue solid, pin 5: white/blue stripe, pin 6: green solid, pin 7: white/brown stripe, pin 8: brown
solid.
Ethernet twisted pair cables can be classified into straight-through and crossover cables based on their
pinouts
For the pinouts of the twisted pair cables, see the following tables. (A and B represent the two ends of a
cable, respectively.)
Table 7 Straight-through cable pinouts
Pinout No.
1
2
3
4
5
6
7
8
Table 8 Crossover cable pinouts
Pinout No.
1
2
3
4
5
6
A
Orange/white
Orange
Green/white
Blue
Blue/white
Green
Brown/white
Brown
A
Orange/white
Orange
Green/white
Blue
Blue/white
Green
20
B
Orange/white
Orange
Green/white
Blue
Blue/white
Green
Brown/white
Brown
B
Green/white
Green
Orange/white
Blue
Blue/white
Orange
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