1 and 568a: The wiring sequence of 568a is white green, green, white orange, blue, white blue, orange, white brown and brown.

2.568b: The wiring sequence of 568b is white orange, orange, white green, blue, white blue, green, white brown and brown.

Second, the application is different.

1, 568A:568A is mainly used for crossing lines.

2.568B:568B is mainly used for parallel (through) lines and intersecting lines.

Third, for different

1, 568A:568A is used for the interconnection of two computers or the connection between ADSL modem and hub.

2.568B:568B is connected to the switch or hub of the computer.

The network cable model is as follows:

1, Class I line: mainly used for voice transmission (before the early 1980s, Class I standard was mainly used for telephone cables), which is different from data transmission and has been eliminated by the standard.

2. Class II line: transmission bandwidth 1MHZ, used for voice transmission and data transmission, with the highest transmission rate of 4Mbps. It is very common in the old token ring using 4Mbps standard token passing protocol and has been eliminated by the standard.

3. Class 3.III cable: The transmission bandwidth of this cable is 16MHz, which is used for voice transmission and data transmission. The highest transmission rate is 10Mbps, which is mainly used for 10 base-T, and the lowest usage level is ANSI/TIA-568. C.2 ..

4. Class 4.IV cable: The transmission bandwidth of this cable is 20MHz, which is used for voice transmission and data transmission, and the highest transmission rate is 16Mbps. It is mainly used for token-based LAN and10base-t/100base-t, which has been eliminated by the standard.