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ＡＴＭ交换系统进入公用网据美国一家电信管理咨询公司介绍，异步传送模式（ＡＴＭ）技术在公用数据通信网中占有重要地位。该公司总数说：“全世界在公用网中安装ＡＴＭ交换机的速度远远超过历史上安装数字中心局设备初期阶段的安装速度。但是现在安装的ＡＴＭ交换机８０...
ATM switching system into the public network According to a US telecommunications management consulting company introduced asynchronous transfer mode (ATM) technology in the public data communications network occupies an important position. The total number of companies said: "The installation of ATM switches in public networks in the world far exceeds the installation speed of historically installed digital central office equipment in the initial stages. However, the ATM switches now installed 80 ...