Differences among Gigabit Ethernet, 10 Gigabit Ethernet and High-speed Ethernet

Traditional Ethernet (10 Mbps Ethernet) adopts Manchettes coding;

Fast Ethernet (100M Ethernet) adopts 4B/5B code;

Gigabit Ethernet adopts 8s/10b;

A new MB8 10 coding method proposed by IEEE802.3 of 10 Gigabit Ethernet.

There are three traditional Ethernet physical layer standards: 10BASE2, 10BASE5 and10baset, in which 10BASE2 is a thin cable Ethernet, which requires a thin coaxial cable, and 10BASE5 is a thick cable Ethernet, which requires a thick coaxial cable. At present, these two standards are basically eliminated. 10BASE-T is the most commonly used standard in traditional Ethernet, which uses twisted pair as the transmission coal quality.

There are several physical layer standards for fast Ethernet, such as 100BASE-T2, 100BASE-T4, 100BASE-FX, etc. Among them, 100BASE-TX runs on two pairs of category 5 twisted pairs, 100BASE-T2 runs on two pairs of category 3 twisted pairs, 100BASE-T4 runs on four pairs of category 3 wires, and 100BASE-FX runs on optical fiber, which can be single-touch or multi-touch.

Gigabit Ethernet physical layer standards include 1000BASE-SX,1000base-LX1000base-CX, 1000BASE-TX, etc. 1000BASE-SX runs on multimode fiber, and s refers to the wavelength form of the emitted optical signal; 1000BASE-LX is on a single-mode fiber, and l indicates that the optical signal emitted is in the form of the shortest wavelength; 1000BASE-CX runs on coaxial cable; 1000BASE-TX runs on twisted pair.

There are three physical layer standards for 10 Gigabit Ethernet: 10GBASE-S(850nm short wave),10gbase-l (1365438+300m long wave) and10gbase-e (1e).