Connection of twisted pair wires

There are two connection standards for RJ45 twisted pair wires:

Standard 568B: White orange -- 1, orange -- 2, white green -- 3, blue -- 4, white blue -- 5, green -- 6, white brown -- 7, brown -- 8

Standard 568A: white green -- 1, green -- 2, white orange -- 3, blue -- 4, white blue -- 5, orange -- 6, white brown -- 7, brown -- 8

Currently, the 568B standard is used in the network.

10 M Ethernet cables use, and 6 serial numbers to transmit data, while M Ethernet cables use, serial numbers to transmit data.

Different wiring methods:

Express CONNECT: both ends are connected in T568B line order.

Crossover line: one end is connected in T568A line Order and the other end is connected in T568B line order.

The same type of devices (non-cascade connections) are connected by a cross line, and different devices (including cascade connections) are connected by a direct connection.