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digital subscriber carrier 数字式用户载波
DSS2 Digital Subscriber Signaling system No. 2号数字用户信令系统。
The network interface uses a Multirate Digital Subscriber Line. 网络接口使用多速率数字用户线路。
Digital Subscriber Line (DSL) - Technology using copper-wire telephone networks to provide high-speed Internet connections through a DSL modem. 数字用户专线-使用铜线电话网通过DSL调制解调器提供高速因特网连结的技术。
V5 interface is the digital interface between digital subscriber transmission system and the local exchanger(LE). V5接口是数字用户传输系统和本地交换机(LE)之间的数字接口,其应用在目前电力通信接入网建设中具有现实意义。
The technology of DSL (Digital Subscriber Lines) arises at the hvstoric moment under this kind of circumstances. 在这种情况下，数字用户线(DSL)技术就应运而生。
Very high bit rate Digital Subscribers Line. 超高速对称型数字用户专线。
Asymmetrical digital subscriber loop (ADSL) is one of the most important methods of Internet connection. 摘要非对称数字用户线技术是目前用户连接互联网最重要的方式之一。
To set up a Digital Subscriber Line (DSL) or cable connection, you first need an account with an Internet service provider (ISP). 若要设置数字用户线(DSL)或电缆连接,您首先需要拥有一个Internet服务提供商(ISP)的帐户。
subscriber carrier telephone system 用户载波电话系统
Broadband modems connect to either a cable or Digital Subscriber Line (DSL), and they provide high-speed Internet access. 宽带调制解调器连接到电缆或数字用户线(DSL),它们提供高速的Internet访问。
Single-line digital subscriber line (SDSL) SDSL is a symmetric DSL technology, with HDSL only difference is that the use of a pair of copper wires. SDSL可以支持各种上、下行通信速率相同的应用。
Asymmetrical Digital Subscriber Loop (ADSL), Hybrid Fiber-Coax (HFC) based on ATM technique grabbed the main market share currently. 今天，非对称数字用户环路和光纤同轴混合网掌握着市场的主要份额，这些宽带接入技术主要采用ATM技术。
It is generally agreed that Digital Subscriber Line (DSL) and cable TV are broadband services in the downstream direction. 数字用户传输线（DSL）和有限电视都是公认的下行宽带。
For faster connections,users will have to wait for two protocols: Asymmetric Digital Subscriber Line (ADSL) and High-data-rate Digital Subscriber Line (HDSL). 对于需要更快连接的用户来说，还须等待两个协议：不对称数字用户线（ADSL）和高数据速率数字用户线（HDSL）。
For the consumer looking for faster Internet access in 1998,he will have to make a choice between Asymmetric Digital Subscriber Line (ADSL) or 56K-bit per second technology. 对于在1998年寻找更快的因特网接入的客户来说，他必须在非对称数字用户线路（ADSL）技术和56Kb/s调制解调器技术之间作出选择。
CAP is compared with 2B1Q coding based on the analysis of high bit rate digital subscriber line (HDSL). Some real examples are given which show the applications of HDSL technique. 在分析HDSL原理和性能的基础上，对其CAP（无载波调幅/调相）与2B1Q编码进行了分析比较，并结合实例给出了HDSL技术的实际应用。
This paper describes the implementation of ADSL(Asymmetric Digital Subscriber Line) Transceiver use for ATU - R which is designed with the Technology of DSP Core. 介绍了一种用 DSP核（DSP Core）实现ADSL（Asymmetric Digital Sub－scriber Line）用户端收发器（Transceiver）的研制与开发。
For faster connections, users will have to wait for two protocols: Asymmetric Digital Subscriber Line (ADSL) and High-data-rate Digital Subscriber Line (HDSL). 对于需要更快连接的用户来说，还须等待两个协议：不对称数字用户线（ADSL）和高数据速率数字用户线（HDSL）。
Contentiousness surrounds the question of how best to get broadband connections such as digital subscriber line (DSL) technology to the masses at reasonable rates. 问题争论的焦点在于，如何才能让大众以合理的价格连接宽频上网，比如透过数位用户线连接上网。