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数字用户线(DSL)一直是深受居民用户欢迎的接入手段。直到最近，才将它推向企业级用户，以适应这一市场的特有需要。DSL可为各种业务提供多种可选择的低成本传输方案,适合于通信计算机不断增加以及覆盖区内有多个分支机构等情况。企业级的用户,除接入不同服务等级Internet或局?
Digital Subscriber Line (DSL) has always been a popular residential user access means. Until recently it was pushed to enterprise-level users to suit the unique needs of this market. DSL offers a wide range of alternative low-cost transmission solutions for a wide range of services and is ideal for situations where communications computers are constantly being added and where there are multiple branches within the coverage area. Enterprise-class users, in addition to access different service levels Internet or bureau?