hdsl - 百度百科
网页HDSL是High-speed Digital Subscriber Line的 英文 简称，中文称为 高速率数字用户线 路。 HDSL是 XDSL 家族中开发比较早，应用比较广泛的一种，采用回波抑制、自适应滤波和高速数字处理技术，使用2B1Q编码，利用两对双绞线实现数据的双向对称传输， 传输速率 2048Kbps/1544Kbps（E1/T1），每对 电话线 传输速率为1168Kbit/s，使用24AWG（American Wire Gauge 美国 线缆规程）双绞线（相当于0.51mm）时传输距离可 …
High-bit-rate digital subscriber line - Wikipedia
网页High-bit-rate digital subscriber line (HDSL) is a telecommunications protocol standardized in 1994. [1] It was the first digital subscriber line (DSL) technology to use a higher frequency spectrum over copper, twisted pair cables. HDSL was developed to transport DS1 services at 1.544 Mbit/s and 2.048 Mbit/s over …
HDASCO|伊朗国航|IRISL|伊朗航运|HDSLINES
网页Islamic Republic of Iran Shipping Lines booking agent and shipping agency. The company has established long-term cooperative relationships with many domestic and foreign large shipping companies, and has maintained good business contacts with dozens of overseas international logistics companies, forming a global logistics service network.
高比特率数字用户线 - 百度百科
网页高比特率数字用户线（high-bitrate digital subscriber line，HDSL）是80年代末90年代初诞生的铜缆用户线上的一项重要技术，可在现有用户电缆上开放El/TI数字业务，提供性能接近于 光纤传输 而成本比新建光纤低得多的服务。. 中文名称. 高比特率数字用户线. 英文名称 ...
High-bit-rate Digital Subscriber Line (HDSL) - Network …
网页2023年11月11日 — HDSL, or High-bit-rate Digital Subscriber Line, is a modulation technology similar to Asymmetric Digital Subscriber Line (ADSL) that uses a group of existing copper twisted-pair subscriber telephone lines to transmit data at T1 or E1 speeds.
High-bit-rate digital subscriber line 2 - Wikipedia
网页High-bit-rate digital subscriber line 2 ( HDSL2) is a standard developed by the American National Standards Institute (ANSI) Committee T1E1.4 and published in 2000 as ANSI T1.418-2000.
速率自适应数字用户线 - 百度百科
网页数字用户线 (Digital Subscriber Line，xDSL)是铜线回路接入技术的一系列用户数字线技术的总称，是美国贝尔通信研究所于1989年为推动视频点播 (VOD)业务开发出的用户线高速传输技术，后因VOD业务受挫而被搁置了很长一段时间。 它以大量部署的电信基础设施为基本出发点。 xDLS向每一个用户提供连接到中心局的一对或者多对专用铜线，而才提供交换式语音网络。 近年来Internet和Intranet的迅速发展对固定连接的高速接入的需求世日益高涨。
HDSL (High-bit-rate Digital Subscriber Line) - Telecom Trainer
网页2023年4月13日 — High-bit-rate Digital Subscriber Line (HDSL) is a digital subscriber line (DSL) technology that provides high-speed data transmission over a single pair of copper wires. HDSL technology is designed to deliver high-speed data transmission services to businesses, government agencies, and other organizations that require high-bandwidth ...
关于高比特数字用户线（HDSL、SHDSL）技术-通信人在线
网页2021年10月26日 — 高比特数字用户线（HDSL，High-bit Digital Subscriber Line）也是数字用户线（DSL）技术的一种技术型式。. HDSL技术是ITU-T最早发布的一种DSL的技术标准，即G.991.x系列建议书。. HDSL技术也算是利用市话电缆提供高速数据传输开了先河。. 欲具体了解数字用户线（xDSL）技术 ...
Application of high bit-rate digital subscriber line (HDSL) …
网页Abstract: High bit-rate Digital Subscriber Line (HDSL) technology permits two-way 1.544 or 2.048 Mb/s transport over most existing copper telephone cables without repeaters, cable conditioning, or binder group segregation. Approximately 1000 HDSLs are now in service, and the rate of deployment is accelerating.