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Fast Ethernet

Kunshan Wondertek Technology Co.,Ltd | Updated: May 03, 2017

With the development of network, the traditional standard Ethernet technology has been difficult to meet the increasing demand of network data traffic speed. Prior to October 1993, for LAN applications requiring more than 10Mbps data traffic, only fibre distributed Data Interface (FDDI) can be selected, but it is a very expensive, 100Mbps-based optical cable LAN. October 1993, Grand Junction Company launched the world's first Fast Ethernet hub Fastch10/100 and network interface card FASTNIC100, rapid Ethernet technology formally applied. Then Intel, SynOptics, 3COM, BayNetworks and other companies have also launched their own Fast Ethernet device. At the same time, the IEEE802 engineering group also studied the standards of 100Mbps Ethernet, such as 100BASE-TX, 100BASE-T4, M Ⅱ, Repeater, full duplex. The March 1995 IEEE announced the IEEE802.3U 100BASE-T Fast Ethernet standard (Fast Ethernet), which began the era of Fast Ethernet.

Fast Ethernet has many advantages over the original FDDI working with 100Mbps bandwidth. The most important embodiment in the Fast Ethernet technology can effectively protect the user's investment in the wiring infrastructure, it supports 3, 4, 5 pairs of twisted pair and fiber optic connection, can effectively utilize existing facilities. The shortage of Fast Ethernet is also the shortage of Ethernet technology, that is, Fast Ethernet is still based on CSMA/CD technology, when the network load is heavier, it can cause the efficiency decrease, of course, this may use the exchange technology to compensate. 100MBPS Fast Ethernet standard is divided into: 100BASE-TX, 100BASE-FX, 100BASE-T4 three sub-class.

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