Question

You have just finished crimping down one end of the cable using the 568B wire pattern. Which color pairs will be crimped down on the outer points of the RJ-45 connector on the other end of the cable?

1) Blue and White/Blue
2) Orange and White/Orange
3) Green and White/Green
4) Brown and White/Brown

Answer 1

In T568B wiring standard, Brown and White/Brown are the color pairs on the outer points of the RJ-45 connector on one end of an Ethernet cable.

Step-by-step explanation:

When using the T568B wiring standard for crimping an Ethernet cable and placing an RJ-45 connector, the color pairs that will be crimped down on the outer points of the connector at the other end of the cable are Brown and White/Brown.

This is because, according to T568B, the pinout from left to right (with the clip at the bottom) goes as follows: white/orange, orange, white/green, blue, white/blue, green, white/brown, brown. Hence, if you are looking at the clip side down and from left to right, the brown wire will be crimped on the outermost right point, and the white/brown wire will be crimped on the second from the right.