M30 通信设备综合 标准查询与下载

ANSI/SCTE 136-1-2013 IP电缆调制解调器系统用2层虚拟专用网络

Layer 2 Virtual Private Networks for IP Cable Modem Systems

ANSI/ATIS 0600015-2013 电信设备的能源效率:测量和报告方法.通用要求

Energy Efficiency for Telecommunication Equipment: Methodology for Measurement and Reporting - General Requirements

IEEE 1528-2013 测定人体头部中来自无线通信装置的峰值空间平均比吸附率(SAR)的IEEE推荐性实施规程:测量技术

IEEE Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques

ANSI/ATIS 0600333-2013 电信设备的接地和连接

Grounding and Bonding of Telecommunications Equipment

ANSI/TIA-942-A-1-2013 数据中心用电信基础设施标准,附录1.数据中心面的布线指南

Telecommunications Infrastructure Standard for Data Centers, Addendum 1 - Cabling Guidelines for Data Center Fabrics

ANSI/ATIS 0600015.03-2013 电信设备的能源效率:路由器和以太网转换产品的测量和报告方法

Energy Efficiency for Telecommunications Equipment: Methodology for Measurement and Reporting for Router and Ethernet Switch Products

ANSI/ATIS 0600015.07-2013 电信设备的能源效率:测量和报告方法.钢缆接入非对称宽带设备

Energy Efficiency for Telecommunication Equipment: Methodology for Measurement and Reporting - Wireline Access, Asymmetric Broadband Equipment

YD/T 2437-2012 物联网总体框架与技术要求

本标准规定了物联网通用分层模型、物联网总体框架、主要部件及能力要求、参考点要求以及物联网共性能力要求。本标准适用于整个物联网。

General framework and technical requirements of IoT (Internet of Things)

JIS C 6020 AMD 1:2012 内部通信设备用试验方法和总则(修改件1)

General rules and testing methods for intercommunication equipments (Amendment 1)

ITU-T G.8121-2012 多协定标签交换传输模式(MPLS-TP)设备功能块的特点.15号研究组

This Recommendation describes both the functional components and the methodology that should be used in order to describe the multi-protocol label switching transport profile (MPLS-TP) layer network functionality of network elements. It does not describe individual MPLS-TP network equipment as such.

Characteristics of MPLS-TP equipment functional blocks Study Group 15

DIN EN 300132-2:2012 环境工程.向电信设备输入的电源接口.第2部分:48 V直流(dc)操作(英文版本EN 300132-2 V2.4.6 (2011-12)作为德国标准)

Enironmental Engineering (EE) - Power supply interface at the input to telecommunications and datacom (ICT) equipment - Part 2: Operated by -48 V direct current (dc) (Endorsement of the English version EN 300132-2 V2.4.6 (2011-12) as German standard)

ITU-T G.993.5 CORR 2-2012 与超高速数字用户线收发器2(VDSL2)配套使用的自行远端串音消除(定向).勘误表2.15号研究组

Corrigendum 2 to Recommendation ITU-T G.993.5 (2010) covers the following changes: corrections to Figures 7-4 and 7-5; correction made in clause 10.3.3.5 – Downstream Sync symbol and upstream pilot sequence markers.

Self-FEXT cancellation (vectoring) for use with VDSL2 transceivers Corrigendum 2 Study Group 15

ITU-T G.994.1-2012 为数字用户线收发器的握手程序研究组15

Recommendation ITU-T G.994.1 provides a flexible mechanism for digital subscriber line (DSL) transceivers to exchange capabilities and to select a common mode of operation.It includes parameters relating to service and application requirements as well as parameters pertinent to various DSL transceivers.This Recommendation is currently an integral part of the start-up procedure for Recommendations ITU-T G.991.2,ITU-T G.992.1,ITU-T G.992.2,ITU-T G.992.3,ITU-T G.992.4,ITU-T G.992.5,ITU-T G.993.1 and ITU-T G.993.2.It is anticipated that future DSL Recommendations will also be able to make use of this Recommendation.Provisions are also included for exchanging non-standard information.This revision integrates all approved amendments and corrigendum into the latest revision of Recommendation ITU-T G.994.1 (version 3).It also:– fixes the allocation of the codepoint "Support of downstream virtual noise in diagnostic mode"– fixes the allocation of the codepoint "Full ITU-T G.993.5-friendly ITU-T G.993.2 operation"– removes the codepoints for O-P-VECTOR-1-1 duration.

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

ITU-T G.993.2 CORR 1-2012 超高速数字用户线收发器2(VDSL2).勘误表1.15号研究组

Corrigendum 1 to Recommendation ITU-T G.993.2 (2011) covers the following functionalities: Handshake bits for downstream and full ITU-T G.993.5-friendly operation (corrigendum). CIpolicy=2 (corrigendum). O-SIGNATURE (corrigendum). Annex N (corrigendum). Annex O (corrigendum).

Very high speed digital subscriber line transceivers 2 (VDSL2) Corrigendum 1 (Study Group 15)

ITU-T G.997.1-2012 数字用户线收发器的物理层管理研究组15

Recommendation ITU-T G.997.1 specifies the physical layer management for asymmetric digital subscriber line (ADSL) and very high speed digital subscriber line 2 (VDSL2) transmission systems.It specifies means of communication on a transport transmission channel defined in the physical layer Recommendations ITU-T G.992.1,ITU-T G.992.2,ITU-T G.992.3,ITU-T G.992.4,ITU-T G.992.5 and ITU-T G.993.2.It specifies network elements (NE) content and syntax for configuration,fault and performance management.The revision of this Recommendation includes the management information base (MIB) elements for the physical layer management of Recommendation ITU-T G.993.2 and additional MIB elements for the physical layer management of Recommendations ITU-T G.992.3 and ITU-T G.992.5.

Physical layer management for digital subscriber line transceivers (Study Group 15)

ITU-R M.2002-2012 广域传感器和/或驱动器网络(WASN)系统的目标,特性和功能要求

This Recommendation provides the objectives, system characteristics, functional requirements, service applications and fundamental network functionalities for mobile wireless access systems (WAS) providing communications to a large number of ubiquitous sensors and/or actuators scattered over wide areas in the land mobile service. The key objective of wide area sensor and/or actuator network (WASN) systems is to support machine-to-machine service applications irrespective of machine location.

Objectives, characteristics and functional requirements of wide-area sensor and/or actuator network (WASN) systems

ITU-T G.806-2012 传输设备的特点.描述方法和一般功能.15号研究组

This Recommendation specifies a methodology for describing equipment for transport networks based on the transport processing functions and architectural entities defined in [ITU-T G.805]. It defines the set of generic atomic and compound functions and the set of rules for how to combine them. The detailed characteristics of equipment functional blocks of specific transport networks (e.g., SDH, OTN) will be defined in follow-up Recommendations based on this methodology. Equipment can then be described by an equipment functional specification (EFS) which lists the atomic functions and their interconnection.

Characteristics of transport equipment – Description methodology and generic functionality (Study Group 15)

ITU-T Y.1352-2012 光传送网的术语和定义.15号研究组

This Recommendation contains a complete listing of the terms, definitions and abbreviations introduced in the Recommendations associated with optical transport networks. OTN terms specific to synchronization or physical layer characteristics are not a part of this Recommendation.

Terms and definitions for optical transport networks (OTN) (Study Group 15)

ITU-R P.2001 SPANISH-2012 30 MHz-50 GHz频段内通用大量程地面传播模型

This Recommendation contains a general purpose wide-range model for terrestrial propagation which predicts path loss due to both signal enhancements and fading over effectively the range from 0% to 100% of an average year. This makes the model particularly suitable for Monte-Carlo methods, and studies in which it is desirable to use the same propagation model, with no discontinuities in its output, for signals which may be either wanted or potentially interfering. The model covers the frequency range from 30 MHz to 50 GHz, and distances from 3 km to at least 1 000 km.

A general purpose wide-range terrestrial propagation model in the frequency range 30 MHz to 50 GHz

ITU-T Y.1353-2012 (预发布)自动交换光网络(ASON)的术语和定义

This Recommendation contains a complete listing of the terms, definitions, and abbreviations introduced in the Recommendations associated with automatically switched optical networks.

(Pre-Published) Terms and definitions for Automatically Switched Optical Networks (ASON)