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1 概述 近年来,计算机技术特别是网络技术的飞速发展,原先的10Mbps网因不能承担网络通讯量的大量增加,转眼已成过时,而百兆网技术却日趋成熟,同时价格的不断下降已使之进入设计单位成为可能。所谓百兆网,是指网络的传输速率为100Mbps,即快速以太网(Fast Ethemet),它是一类新型的局域网,具体包括以下几种技术;100Base-Tx、100Base-FX、100Basc-T4以及100-VG。每一种100Mbps产品关键性的差异,在于他们使用的缆线形式,而可使用的布线方式与投资金额,将是影响使用何种产品技术的主要因素。
1 Overview In recent years, the rapid development of computer technology, especially network technology, the original 10Mbps network because of the network traffic can not afford a substantial increase in an instant has become obsolete, and Fast Ethernet technology is maturing, while the price has been declining Into the design unit as possible. The so-called Fast Ethernet, refers to the network transmission rate of 100Mbps, Fast Ethernet (Fast Ethemet), it is a new type of LAN, including the following technologies; 100Base-Tx, 100Base-FX, 100Basc-T4 and 100-VG. The key difference between each of the 100Mbps products is the cable form they use, and the available cabling and investment amount will be a major factor in which product technology is used.