M38 数字通信设备 标准查询与下载

YD/T 1169.2-2001 800MHz CDMA 数字蜂窝移动通信系统电磁兼容性要求和测量方法 第二部分：基站及其辅助设备

Requirement and Measurement Methods of Electromagnetic Compatibility for 800MHz CDMA Digital Cellular Mobile Telecommunications System Part 2: Base Station and Ancillary Equipment

YD/T 1162.3-2001 在帧中继上实现MPLS 的技术要求

本标准是使用帧中继交换机作为MPLS标记交换路由器时的技术规范。 这种帧中继交换机将可以运行网络层路由协议(如 OSPF,IS-IS等)，因此，它可对根据这些路由算法构建的网络层拓扑图进行报文的转发，而不再需要特定的帧中继路由。 帧中继永久虚电路(PVC)可以通过配置用于业务流的标记转发。如果帧中继交换机能够根据网络层路由信息对MPLS业务流进行标记封装，并进行转发，则转发此业务流的帧中继交换机便成为了标记交换路由器。顶层标记将存放在DLCI字段内。

Frame Relay MPLS Technical Specification

YD/T 1162.1-2001 多协议标记交换（MPLS）总体技术要求

本标准规定了多协议标记交换（MPLS）的基本技术（标记交换转发模式和网络层路由技术的集成），以及在网络层和链路层的功能、性能参数、标记封装和分发、流量工程等方面的要求、本标准适用于MFLS边缘节点设备、MPLS域内节点设备和MPLS与特定链路层技术相结合的设备。

Generic Requirements of Multipriotocol Label Switching

YD/T 1166-2001 STM-64再生中继设备技术要求

本标准适用于9953 280 kbit/s速率的SDH光缆传输系统中的再生中继设备。规定了适合我国公用电信网使用的STM-64再生中继设备的主要技术要求。专用电信网中使用的同类设备亦可参照本标准。它的目标是使将来使用光预放和(或)光功放的单通道STM-64系统实现横向兼容。不使用光放大器的局内和短途的单通道STM-64系统也包括在内。

Technical Requirements for STM-64 Regenerative Repeater

YD/T 1137-2001 帧中继设备技术要求及检验方法

本标准规定了帧中继设备的主要性能要求和检测方法。 本标准适用于具有帧中继功能的用户设备及网络设备。

Technical requirements and test methods for frame relay device

YD/T 1135-2001 数字数据网（DDN）节点机技术要求及测试方法

本标准规定了数字数据网(DDN)节点机的主要功能和性能的指标要求及测试方法。 本标准适用于具有数字通道及2M bit/s速率数字接口的交叉连接及复用的网络。

Technical Specification and Testing Method of Node Processor in Digital Data Network

YD/T 1116-2001 线簧式同轴连接器数字配线架

本标准规定了线簧式同轴连接器数字配线架的定义、命名、要求、试验方法、检验规则和标志、包装、运输和贮存。 本标准适用于线簧式同轴连接器数字配线架的检验和验收，并可作为线簧式同轴连接器数字配线架设计、生产、使用和考核产品质量等级的技术依据。

Digital Distribution Frame with Wire Sleeve Coaxial Connectors

ITU-T E.502-2001 数字电信交换交通测量要求 E系列:全面网络操作 电话服务 服务操作和人员因素 交通工程 交通的测量

This Recommendation applies to all digital telecommunications exchanges operating in a switched telephone network and ISDN.

Traffic Measurement Requirements for Digital Telecommunication Exchanges Series E: Overall Network Operation Telephone Service Service Operation and Human Factors Traffic Engineering - Measurement and Recording of Traffic Study Group 2

ITU-T M.1301-2001 国际同步数字系列(SDH)租用电路的一般描述和工作规程

This Recommendation provides a general description of international synchronous digital leased circuits with an SDH presentation to the Customer, and of the basic requirements for their effective operation.The case of mixed SDH/PDH leased circuits is also described.

General description and operational procedures for international SDH leased circuits

ITU-T G.995.1 AMD 1 SPANISH-2001 数字用户线(DSL)推荐性规范的综述.G系列:传输系统与媒体,数字系统与网络.数字部分和数字线系统.接入网络.15号研究组

This recommendation introduced:Clause 5.8;New clause 5.9;New subclause 6.1.1.8

Overview of digital subscriber line (DSL) Recommendations Amendment 1

ITU-T G.703 SPANISH-2001 等级数字接口的物理/电学特性

Physical/electrical characteristics of hierarchical digital interfaces

ITU-T G.703 FRENCH-2001 等级数字接口的物理/电学特性

Physical/electrical characteristics of hierarchical digital interfaces

ITU-T G.763 NOTE-2000 使用自适应差分脉冲编码调制(ADPCM)(建议G.726)和数字话音插空的数字电路倍增设备(DCME)

In this Recommendation, the expression "Administration" is used for conciseness to indicate both a telecommunication administration and a recognized operating agenc

Digital Circuit Multiplication Equipment Using G.726 ADPCM and Digital Speech Interpolation

ITU-T G.763 NOTE SPANISH-2000 使用G.726自适应差分脉冲编码调制和数字语音插空的数字电路倍增设备

In this Recommendation, the expression "Administration" is used for conciseness to indicate both a telecommunication administration and a recognized operating agenc

Digital circuit multiplication equipment using G.726 ADPCM and digital speech interpolation

ITU-R QUESTION 118-2/7-2000 影响数据中继卫星系统和其他业务系统之间频率共享的因素

The ITU Radiocommunication Assembly considering a)that data relay satellites are used to relay mission-gathered data, television and voice communications in manned missions, orbit-tracking data such as position and velocity of the spacecraft, and telecommands for guidance and control of the spacecraft;b)that frequencies between 2 and 30 GHz used by both near-Earth satellite and data relay satellites are shared with other service systems.

Factors which affect frequency sharing between data relay satellite systems and systems of other services

ANSI/TIA/EIA 678-1-2000 数据传输系统和设备.在无线电通信数据服务器上字模DCE的连续异步自动拨号和控制.补充1

Adds 10 additional code points to the +WS46 command, WDS-Side Stack Selection.

Data Transmission Systems and Equipment - Serial Asynchronous Automatic Dialing and Control for Character Mode DCE on Wireless Data Services, Addendum 1

JJG(邮电) 050-1999 PCM 话路特性分析仪

Characteristic analyzer for PCM voice channels

YD/T 1018-1999 使用自适应差分脉冲编码调制(ADPCM)和数字话音插空(DSI)的数字电路倍增设备

本标准规定数字电路倍增设备（DCME）和数字电路倍增系统（DCMS）的技术要求。 本标准适用于设备的设计参考，而不限制具体功能如何实现。

Digital circuit multiplication equipment using ADPCM and DSI

ITU-T Q.2961.2 CORR 1 SPANISH-1999 数字用户信令系统 No.2 附加业务参数：宽带承载能力信息元素中 ATM 传输能力的支持勘误 1

This corrigendum modifies the references in 2.2/Q.296 1.2 by adding a reference to Recommendation Q.2961.6.Also Table A.l/Q.2961.2 is replaced by a new table,where:e the terms "SBR2/SBR3"have been removed;Note 6 has been updated; and a new Note 14 has been added.The existing implementations are not affected by these changes, however existing and future implementations should use the terminology for ATM transfer capabilities described in the new Table A.UQ.2961.2.

Digital subscriber signalling system No. 2 – Additional traffic parameters: Support of ATM transfer capability in the broadband bearer capability information element Corrigendum 1

ITU-T Q.2961.2 CORR 1-1999 数字用户信令系统 No. 2 附加业务参数：在宽带承载能力信息元素勘误表 1 中支持 ATM 传输能力（第 11 研究组；9 页）

a new Note 14 has been added.The existing implementations are not affected by these changes, however, existing and future implementations should use the terminology for ATM transfer capabilities described in the new Table A.UQ.2961.2.

Digital subscriber signalling system No. 2 – Additional traffic parameters: Support of ATM transfer capability in the broadband bearer capability information element Corrigendum 1 (Study Group 11; 9 pp)