M14 通信网传输系统接口 标准查询与下载

ITU-T M.495-1988 传输恢复和传输路由的多样性:术语和一般原则.一般的维修原则.维护国际传输系统和电话线路(研究组4)10页

The purpose of transmission restoration and transmission route diversity is to protect the continuity and quality of international telecommunication services by minimizing the effects of potential effects of a transmission failure.

Transmission Restoration and Transmission Route Diversity: Terminology and General Principles - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 10 pp

ITU-T X.51 SPANISH-1988 使用10-bit包封结构的同步数据网之间国际接口的复用方案的基本参数

The CCITT considering (a) that Recommendation X.50 sets out the fundamental parameters for a multiplexing scheme for the interworking of networks where at least one makes use of the 8-bit envelope structure or of the four 8-bit envelopes grouping, (b) that there is a requirement for a multiplexing scheme for the interworking between two networks where both use 10-bit envelope structure.

FUNDAMENTAL PARAMETERS OF A MULTIPLEXING SCHEME FOR THE INTERNATIONAL INTERFACE BETWEEN SYNCHRONOUS DATA NETWORKS USING 10-bit ENVELOPE STRUCTURE

ITU-T X.50 SPANISH-1988 同步数据网络间国际接口复用方案的基本参数

The CCITT considering that the resolution of the fundamental parameters of a multiplexing scheme is urgently needed for the interworking of data networks using different envelope structures.

FUNDAMENTAL PARAMETERS OF A MULTIPLEXING SCHEME FOR THE INTERNATIONAL INTERFACE BETWEEN SYNCHRONOUS DATA NETWORKS

ITU-T X.50 FRENCH-1988 同步数据网络间国际接口复用方案的基本参数

The CCITT considering that the resolution of the fundamental parameters of a multiplexing scheme is urgently needed for the interworking of data networks using different envelope structures.

FUNDAMENTAL PARAMETERS OF A MULTIPLEXING SCHEME FOR THE INTERNATIONAL INTERFACE BETWEEN SYNCHRONOUS DATA NETWORKS

ITU-T X.55 SPANISH-1988 使用6+2包封结构及单路单载波(SCPC)的同步数据网络卫星通道之间的接口

The CCITT considering (a) that the bearer rate recognized by the CCITT is 64 kbit/s; (b) that 64 kbit/s satellite channels on TDMA systems are not yet operational; (c) that 64 kbit/s channels on SCPC systems are under investigation; (d) that for an interim period only 48, 50 or 56 kbit/s channels via a satellite will be available in many cases; (e) that there is a requirement to interface transmission systems using an 8-bit envelope structure with such satellite systems.

INTERFACE BETWEEN SYNCHRONOUS DATA NETWORKS USING A 6 + 2 ENVELOPE STRUCTURE AND SINGLE CHANNEL PER CARRIER (SCPC) SATELLITE CHANNELS

ITU-T X.56 FRENCH-1988 使用8+2包封结构及单路单载波(SCPC)的同步数据网络卫星通道之间的接口

The CCITT considering (a) that the bearer rate recognized by the CCITT is 64 kbit/s; (b) that 64 kbit/s satellite channels on TDMA systems are not yet operational; (c) that 64 kbit/s channels on SCPC systems are under investigation; (d) that for an interim period, only 48, 50 or 56 kbit/s channels via a satellite will be available in many cases; (e) that there is a requirement of a multiplexing scheme for the interworking between two networks where both use 10-bit envelope structure but transmission is at a gross bit rate of 56 kbit/s, typically via an SCPC satellite system with forward error correction.

INTERFACE BETWEEN SYNCHRONOUS DATA NETWORKS USING AN 8 + 2 ENVELOPE STRUCTURE AND SINGLE CHANNEL PER CARRIER (SCPC) SATELLITE CHANNELS

ITU-T M.495 FRENCH-1988 传输恢复和传输路由的多样性:术语和一般原则.一般的维修原则.维护国际传输系统和电话线路(研究组4)10页

TRANSMISSION RESTORATION AND TRANSMISSION ROUTE DIVERSITY : TERMINOLOGY AND GENERAL PRINCIPLES

ITU-T M.495 SPANISH-1988 传输恢复和传输路由的多样性:术语和一般原则.一般的维修原则.维护国际传输系统和电话线路(研究组4)10页

TRANSMISSION RESTORATION AND TRANSMISSION ROUTE DIVERSITY: TERMINOLOGY AND GENERAL PRINCIPLES

ITU-T X.50 BIS SPANISH-1988 48-kbit/s用户数据信号速率传输方案用于同步数据网的国际接口的基本参数

This Recommendation sets out the fundamental parameters of a transmission scheme that should be used for 48-kbit/s data signalling rate for interworking of networks that make use of the following structures: a) 8-bit envelope (see Explanatory Notes 1 and 2 of Recommendation X.50); b) 10-bit envelope (see Explanatory Note 3 of Recommendation X.50); in the case where at least one of the networks is structured according to a).

FUNDAMENTAL PARAMETERS OF A 48-kbit/s USER DATA SIGNALLING RATE TRANSMISSION SCHEME FOR THE INTERNATIONAL INTERFACE BETWEEN SYNCHRONOUS DATA NETWORKS

ITU-T X.50 BIS FRENCH-1988 48-kbit/s用户数据信号速率传输方案用于同步数据网的国际接口的基本参数

This Recommendation sets out the fundamental parameters of a transmission scheme that should be used for 48-kbit/s data signalling rate for interworking of networks that make use of the following structures: a) 8-bit envelope (see Explanatory Notes 1 and 2 of Recommendation X.50); b) 10-bit envelope (see Explanatory Note 3 of Recommendation X.50); in the case where at least one of the networks is structured according to a).

FUNDAMENTAL PARAMETERS OF A 48-kbit/s USER DATA SIGNALLING RATE TRANSMISSION SCHEME FOR THE INTERNATIONAL INTERFACE BETWEEN SYNCHRONOUS DATA NETWORKS

ITU-T X.20 SPANISH-1988 公用数据网上起止式传输业务用的数据终端设备(DTE)和数据电路终接设备(DCE)之间的接口

This Recommendation defines the physical characteristics and call control procedures for a general purpose interface between DTE and DCE for user classes of service, as defined in Recommendation X.1, employing start-stop transmission. The formats and procedures for selection, call progress and DCE provided information are included in this Recommendation. The provision for duplex operation is covered.

INTERFACE BETWEEN DATA TERMINAL EQUIPMENT (DTE) AND DATA CIRCUIT-TERMINATING EQUIPMENT (DCE) FOR START-STOP TRANSMISSION SERVICES ON PUBLIC DATA NETWORKS

ITU-T X.20 FRENCH-1988 公用数据网上起止式传输业务用的数据终端设备(DTE)和数据电路终接设备(DCE)之间的接口

This Recommendation defines the physical characteristics and call control procedures for a general purpose interface between DTE and DCE for user classes of service, as defined in Recommendation X.1, employing start-stop transmission.

INTERFACE BETWEEN DATA TERMINAL EQUIPMENT (DTE) AND DATA CIRCUIT-TERMINATING EQUIPMENT (DCE) FOR START-STOP TRANSMISSION SERVICES ON PUBLIC DATA NETWORKS

ITU-T M.710-1988 国际自动和半自动电话业务的一般维护组织

To ensure satisfactory service quality in the international automatic and semi-automatic telephone service,it is necessary to have an organization which can use the techniques recommended for achieving this.The organizational elements defined in § 2 below relate to the maintenance of the different component parts of the international automatic network and are intended to cover wholly analogue networks and networks provided by a mixture of analogue and digital systems (switching and transmission).Administrations are requested to apply these recommendations in order to obtain satisfactory service quality.

PERFORMANCE MONITORING ON INTERNATIONAL TRANSMISSION SYSTEMS AND EQUIPMENT

ITU-T X.55 FRENCH-1988 使用6+2包封结构及单路单载波(SCPC)的同步数据网络卫星通道之间的接口

The CCITT considering (a) that the bearer rate recognized by the CCITT is 64 kbit/s; (b) that 64 kbit/s satellite channels on TDMA systems are not yet operational; (c) that 64 kbit/s channels on SCPC systems are under investigation; (d) that for an interim period only 48, 50 or 56 kbit/s channels via a satellite will be available in many cases; (e) that there is a requirement to interface transmission systems using an 8-bit envelope structure with such satellite systems.

INTERFACE BETWEEN SYNCHRONOUS DATA NETWORKS USING A 6 + 2 ENVELOPE STRUCTURE AND SINGLE CHANNEL PER CARRIER (SCPC) SATELLITE CHANNELS

DIN 40148-2:1984 传输系统和双端口.线性双端口的对称特性

Transmission systems and two-ports; Symmetry characteristics of linear two-ports

Transmission systems and two-ports; symmetry characteristics of linear two-ports

DIN 40148-1:1978 传输系统和二端口.第1部分:概念和量值

Transmissionsystems and twoports; concepts and quantitiesDie Festlegungen dieser Norm beziehen sich auf vollst?ndige Signalübertragungssysteme und auf elektrische Zweitore (Vierpole), die Teile eines ?bertragungssystems sind. Wenn eine bestimmte Richtung

Transmissionsystems and twoports; concepts and quantities

DIN 40148-3:1971 传输系统和四端口.衰减的测量

Transmission systems and two-ports; measures for attenuationH?ufig wird statt der Benennung ?D?mpfungsma? die Benennung ?D?mpfungbenutzt,dies ist nicht korrekt,da D?mpfung einen Vorgang und keine Gr??e darstellt.Die bei den Formelzeichen für die spezi

Transmission systems and two-ports; measures for attenuation

ITU-R 367-1963 频率重迭通信系统-2B部分-公共利益主题

that both the critical frequency of the plasma sheath and the atmospheric effects be considered in the selection of frequencies for re-entry communications

(WITHDRAWN) Frequency Bands for Re-Entry Communications - Section 2B - Topics of General Interest

GF 005-1994 专用移动通信系统接入公用电话自动交换网的接口技术要求

Technical requirements for the interfaces between dedicated mobile communication system and public telephone automatic switching network

PD 7026 AMD 1-1995 使用CCITT G.703推荐标准规定的接口在75 欧姆不对称表示的34368k比特/秒扫描率与公共通信网非结构数字租用电路终端设备相连接的基本要求

This standard is about Essential requirements for terminal equipment intended for connection to unstructured digital leased circuits of the public telecommunications network using a CCITT Recommendation G.703 interface at a rate of 34368 kbit/s with a 75 unbalanced presentation;Amendment 1

Essential requirements for terminal equipment intended for connection to unstructured digital leased circuits of the public telecommunications network using a CCITT Recommendation G.703 interface at a rate of 34368 kbit/s with a 75 unbalanced presen