一种接入信息高速公路的新技术ADSL

ADSL: A New Access to the Information Superhighway

新近出现的非对称数字用户线(ADSL)技术利用用户网中现有的铜双绞线提供1.5～6Mb/s的下行数字信道,为接入信息高速公路提供了一条新途径。本文首先论述ADSL的基本概念、技术、发展现状和应用,最后论述我们对发展我国ADSL接入设备的几点建议。

The newly emerging Asymmetric Digital Subscriber Line (ADSL) provides a 1. 5 - 6Mb/s downstream digital channel by taking advantage of the existing copper twisted pair in the customer access network , thus forming a new access to the information superhighway. In this paper , we first present the basic ideas concerning the ADSL technology, its updated develpment and applications- Then we pur forward some suggestions about developing ADSL access equipment in China.