Making An Ethernet Twisted Pair Cable - H3C CR19000-20 Installation Manual

Cable pinouts
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.
For the pinouts of common twisted pair cables, see the following tables. (A and B represent the two
ends of a cable.)
Table5-1 Straight-through cable pinouts
Pinout No.
1
2
3
4
5
6
7
8
Table5-2 Crossover cable pinouts
Pinout No.
1
2
3
4
5
6
7
8
NOTE:
Strictly follow the pinouts in the above tables when identifying or making the two types of Ethernet
cables to ensure communication quality.

Making an Ethernet twisted pair cable

1. Cut the cable to a length as required with the crimping pliers.
2. Strip off an appropriate length of the cable sheath. The length is typically that of the RJ-45
connector.
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
5-2
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