M34 微波通信设备 标准查询与下载

ITU-T G.9954-2005 电话线网络收发信机-增强的物理、媒质接入和链路层规范

This Recommendation specifies the interoperability and compatibility for G.9954 stations. The requirements are written from the perspective of a compliant transmitter, although some minimum performance requirements are established for receivers. This Re

Phoneline networking transceivers ?Enhanced physical, media access, and link layer specifications Study Group 15

ITU-T G.992.3-2005 不对称数字用户线(ADSL)的收发信机 更正1

This Recommendation describes Asymmetric Digital Subscriber Line (ADSL) transceivers on a metallic twisted pair that allows high-speed data transmission between the network operator end (ATU-C) and the customer end (ATU-R).

Asymmetric digital subscriber line transceivers 2 (ADSL2)

ITU-T G.994.1 AMD 3-2005 数字用户线(DSL)收发器的同步交换过程

The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technica

Handshake procedures for digital subscriber line (DSL) transceivers Amendment 3: New codepoints Study Group 15

ITU-T G.992.5-2005 不对称数字用户线(ADSL)的收发信机 更正1

For interrelationships of this Recommendation with other G.99x-series Recommendations, see ITU-T Rec. G.995.1. This Recommendation describes the interface between the telecommunications network and the customer installation in terms of their interactio

Asymmetric Digital Subscriber Line (ADSL) transceivers ?Extended bandwidth ADSL2 (ADSL2+) Study Group 15

ITU-T M.3031 CORR 1 SPANISH-2005 执行电视微波链路(TML)计划一致性声明格式的指南.勘误表1.4号研究组

This technical corrigendum corrects a defect identified in ITU-T Rec. M.3031 (2004).It includes a table providing the relation between the defect and the corrections. These corrections are specified as changes to existing clauses of ITU-T Rec. M.3031 (2004).

Guidelines for Implementation Conformance Statement proformas for tML schemas Corrigendum 1 Study Group 4

ANSI/ATIS 0100521-2005 与ITU-T建议G.711一起使用的信息包丢失隐藏

Packet Loss Concealment for Use with ITU-T Recommendation G.711

ITU-T M.3031 CORR 1 FRENCH-2005 执行电视微波链路(TML)计划一致性声明格式的指南.勘误表1.4号研究组

This technical corrigendum corrects a defect identified in ITU-T Rec. M.3031 (2004).It includes a table providing the relation between the defect and the corrections. These corrections are specified as changes to existing clauses of ITU-T Rec. M.3031 (2004).

Guidelines for Implementation Conformance Statement proformas for tML schemas Corrigendum 1 Study Group 4

ITU-T G.991.2 AMD 1-2004 单线对高速数字用户线(SHDSL)收发信机-修正1

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

Single-Pair High-Speed Digital Subscriber Line (SHDSL) Transceivers

ITU-T G.994.1 AMD 2-2004 数字用户线(DSL)收发器的同步交换过程

Amendment 2 to ITU-T Recommendation G.994.1 (2003) was approved on 13 June 2004 by ITU-T Study Group 15 (2001-2004) under the ITU-T Recommendation A.8 procedure.

Handshake procedures for digital subscriber line (DSL) Transceivers Amendment 2

ITU-T G.722.2 ANNEX C-2004 16kbit/s速率上的使用自适应多速率宽带(AMR-WB)的宽带语音编码

This annex specifies the bit-exact ANSI C-code implementation of the AMR-WB algorithm specified in ITU-T Rec. G.722.2, its Annexes A and B, and its Appendix I (non-normative).

Wideband coding of speech at around 16 kbit/s using Adaptive Multi-Rate Wideband (AMR-WB) Annex C: Fixed-point C-code Covering Note: 6/2004

ITU-T G.994.1 AMD 1-2004 数字用户线(DSL)收发器的同步交换过程

Specification of the signalling family and carrier frequencies to support the IEEE EFM VDSL specification.

Handshake procedures for digital subscriber line (DSL) transceivers Amendment 1 Study Group 15

ITU-T G.722.2 ANNEX D-2003 16kbit/s速率上的使用自适应多速率宽带(AMR-WB)的宽带语音编码

This annex specifies version 5.4.0 of the bit-exact test sequences for the verification of the implementation of G.722.2 AMR-WB codec,

Wideband coding of speech at around 16 kbit/s using Adaptive Multi-Rate Wideband (AMR-WB) Annex D: Digital test sequences SERIES G: TRANSMISSION SYSTEMS AND MEDIA DIGITAL SYSTEMS AND NETWORKS Digital terminal equipments Coding of analogue signals by metho

ITU-T G.989.3-2003 电话线网络收发信机-基础

This Recommendation specifies the characteristics and applications of an isolation function for use with phoneline networking transceiver devices in accordance with ITU-T Recs G.989.1 and G.989.2. The Recommendation describes how the isolation function

Phoneline networking transceivers Isolation function SERIES G: TRANSMISSION SYSTEMS AND MEDIA DIGITAL SYSTEMS AND NETWORKS Digital sections and digital line system Optical line systems for local and access networks Study Group 15

ITU-T G.992.1 AMD 1-2003 (预发行)不对称数字用户线(ADSL)的收发信机 更正1

Amendment 1 to ITU-T Recommendation G.992.1 (1999) was approved by ITU-T Study Group 15 (2001-2004) under the ITU-T Recommendation A.8 procedure on 16 March 2003. This amendment includes ITU-T Rec. G.992.1 (1999) Amendment 1/Corrigendum 1 (12/2003).

Asymmetric digital subscriber line (ADSL) transceivers Amendment 1: Revised Annex C new Annex I and new Appendix V SERIES G: TRANSMISSION SYSTEMS AND MEDIA DIGITAL SYSTEMS AND NETWORKS Digital sections and digital line system Access networks Study Group 1

ITU-T G.991.2-2003 单线对高速数字用户线(SHDSL)收发信机-修正1

The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications.221

Single-pair high-speed digital subscriber line (SHDSL) transceivers Study Group 15

ITU-T G.992.1 AMD 1 CORR 1-2003 (预发行)修正1:G 992修正2 G系列

This prepublication is an unedited version of a recently approved Recommendation.It will be replaced by the published version after editing. Therefore, there will be differences between this prepublication and the published version.

(Pre-Published) Corrigendum 1 to G.992.1 Amendment 1 SERIES G: TRANSMISSION SYSTEMS AND MEDIA DIGITAL SYSTEMS AND NETWORKS Digital sections and digital line system Access networks

ITU-T G.992.2 AMD 2-2003 无分线的同步数字用户线接收器

This amendment contains Appendix IV, titled "Example overlapped PSD masks for use in a TCM-ISDN crosstalk environment" to ITU-T Rec. G.992.2, giving an example of overlapped PSD masks for use in a TCM-ISDN crosstalk environment.

Splitterless asymmetric digital subscriber line (ADSL) transceivers Amendment 2: New Appendix IV Example overlapped PSD masks for use in a TCM-ISDN crosstalk environment SERIES G: TRANSMISSION SYSTEMS AND MEDIA DIGITAL SYSTEMS AND NETWORKS Digital section

AS/NZS 4365:2002 UHF民用波段无线电服务用无线通信设备

Specifies essential requirements and minimum standards for radiocommunications equipment intended to operate in the citizen band radio service in Australia and New Zealand, on the UHF band.

Radiocommunications equipment used in the UHF citizen band radio service

ITU-T G.992.4-2002 无分线的同步数字用户线接收器

This Recommendation describes the interface between the telecommunications network and the customer installation in terms of their interaction and electrical characteristics. The requirements of this Recommendation apply only to a single asymmetric digi

Splitterless Asymmetric digital subscriber line transceivers 2 (splitterless ADSL2) Series G: Transmission systems and media digital systems and networks Digital sections and digital line system - Access networks Study Group 15

ITU-T G.992.1 CORR 2-2002 不对称数字用户线(ADSL)的收发信机 更正1

This corrigendum addresses interoperability issues identified with the operation of ADSL in the TCM-ISDN environment as defined in Annex C. The corrigendum clarifies two things to improve interoperability :

Asymmetric Digital Subscriber Line (ADSL) Transceivers Series G: Transmission Systems and Media Digital Systems and Networks Digital Sections and Digital Line System - Access Networks Corrigendum 2