Proceedings in the case of interference on telecommunication installations by electric power installations; interference by highvoltage direct current transmission systems
实施日期:1987-12-01
Informationstechnik. Konfiguration von Standortverkabelung fuer Netzanwendungen. ISDN. Basisanschluss Information Technology-Configuration of Customer Premises Cabling (CPC) for Applications Part 1:ISD...
适用范围:This part of ISO/IEC 14709 defines the requirements for the design and configuration of customer premises cabling for the connection of basic access ISDN equipment. It defines - design requirements ...
实施日期:1997-11-15
Inband pulsing single frequencyline signalling system for telephone automatic switching network
适用范围:本标准规定我国电话自动交换网带内单频脉冲线路信号方式的适用范围,传送方式和相关的指标*。带内单频脉冲线路信号方式适于在频分或时分复用的局间中继电路上使用。
发布日期:1982-12-29 实施日期:1983-10-01
Dimensions of copper-silicon alloy wire (for telephone use)
发布日期:1956-05-08 实施日期:1980-07-09
Galvanisierter Leitungsdraht fuer Telegraphie und Telephonie. Spezifikation Specification for Galvanized line-wire for telephone and telegraph purposes Fils telephoniques et telegraphiques galvanises. ...
适用范围:Manufacture, diameter, mass, mechanical and electrical testing and quality of line-wire between 1.52 mm and 6.07 mm nominal diameter. Appendix on alternative method of acceptance testing, based on insp...
实施日期:1972-03-30
250V PVC Insulated PVC Sheathed Metal Netting Covered Telephone Cable and 250V PVC Insulated PVC Sheathed Metal Netting Covered PVC Anti-Corrosion Telephone Cable for Marine Use
发布日期:1982-07-21 实施日期:1989-01-17
Procedures for simultaneous transmission of data and digitally encoded voice signals over the PSTN or over 2-wire leased point-to-point telephone type circuits
适用范围:本标准规定了用于公用电话交换网(PSTN)或二线租用电话型电路上同时传送数字化语音和数据(DSVD)终端的技术要求。 DSVD终端的主要特征如下:——在单一的PSIN连接或二线点对点租用电话型电路上同时传送数据(如文件或T.120信...
发布日期:1999-07-13 实施日期:2000-01-01
Information technology. Telecommunications and information exchange between systems. DTE/DCE interface back-up control operation using ITU-T Recommendation V.24 interchange circuits
适用范围:This International Standard specifies the procedures for back-up operation applicable to data transmission on a leased line when implemented through a single interface, controlling both the leased and ...
实施日期:1996-01-15
Alarmanlagen Alarmuebertragungsanlagen und-einrichtungen. Anforderungen an Anlagen mit fest zugeordneten Alarmuebertragungswegen Alarm Systems-Alarm Transmission Systems and Equipment-Part 1-2:Requirem...
适用范围:Burglar alarms, Fire alarms, Alarm systems, Security systems in buildings, Wire transmission (telecommunication), Communication networks, Communication equipment, Telecommunication systems, Information...
实施日期:1998-06-15
Lightning protection - Telecommunication lines - Part 2: Lines using metallic conductors (IEC 61633-2:2001); German version EN 61663-2:2001
实施日期:2002-07-01
Procedddings in the case of interference ofn telecommunication installations by electric p[ower installations - Interference by threephase installations
实施日期:1987-12-01
实施日期:2013-05-01
Geraet zum Anschluss an oeffentliche Telekommunikationsanlagen unter Verwendung der digitalen Zugriffzeichengabe Nr. 2 (DASS 2) ueber eine Schnittstelle fuer 2048 kbit/s nach CCITT Empfehlung G.703. An...
适用范围:Communication equipment, Calling equipment (telephones), Telecommunication systems, Telecommunication transmission methods, Signals, Signal transmission, Interfaces (data processing), Telecommunication...
实施日期:1998-11-15
Essential requirements for terminal equipment intended for connection to digital interfaces of the PSTN using Digital Access Signalling System No.2 (DASS 2)
适用范围:Communication equipment, Telecommunication, Data transmission, Data processing, Communication networks, Signal transmission, Digital signals, Signals, Digital integrated circuits, Integrated circuits, ...
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