H3C SR6604 Installation Manual page 46

Figure4-3 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 steady, pin 3: white/orange stripe, pin 4:
blue steady, pin 5: white/blue stripe, pin 6: orange steady, pin 7: white/brown stripe, pin 8: brown
steady.
•
Standard 568B—Pin 1: white/orange stripe, pin 2: orange steady, pin 3: white/green stripe, pin
4: blue steady, pin 5: white/blue stripe, pin 6: green steady, pin 7: white/brown stripe, pin 8:
brown steady.
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.)
Table4-1 Straight-through cable pinouts
Pinout No.
1
2
3
4
5
6
7
8
Table4-2 Crossover cable pinouts
Pinout No.
1
2
3
4
5
6
7
8
A
Orange/white
Orange
Green/white
Blue
Blue/white
Green
Brown/white
Brown
A
Orange/white
Orange
Green/white
Blue
Blue/white
Green
Brown/white
Brown
38
B
Orange/white
Orange
Green/white
Blue
Blue/white
Green
Brown/white
Brown
B
Green/white
Green
Orange/white
Blue
Blue/white
Orange
Brown/white
Brown