Communication systems for and remote reading of meters - Part 3: Dedicated application layer
适用范围:The European Standard specifies parameters for the application layer for baseband communication over twisted pairs (M-Bus) which is described for heat meters in EN 1434-3:1997. This standard covers not...
实施日期:2005-02-01
Distribution automation using distribution line carrier system-Part 5-5:Lower layer profilers-Spread spectrum-fast frequency hopping(SS-FFH) profile
适用范围:本部分规定了用于配电线载波通信系统的快速跳频式扩频通信(SS-FFH)的要求,包括物理层和MAC子层实体提供的原语、调制以及传输方式。本部分适用于配电线载波通信系统的快速跳频扩频通信。
发布日期:2004-10-20 实施日期:2005-04-01
实施日期:2004-11-01
Resilient floor coverings - Polyvinyl chloride floor coverings with enhanced slip resistance - Specification
适用范围:This document specifies the characteristics of floor coverings with sustainable enhanced slip resistant characteristics under specified conditions based on polyvinyl chloride and modifications thereof,...
实施日期:2005-10-01
Distribution automation using distribution line carrier systems-Part 5-4:Lower layer profilers-Multi-carrier modulation(MCM)profile
适用范围:本文件结合物理层和MAC子层提供的服务描述对多载波调制方法的要求,目的在于为参照DL/Z 790.11的中压和低压配电网的配电线载波(DLC)系统的有效通信建立一套标准。DLC通信系统的一些技术手段正处于开发阶段。因此,目前几种...
发布日期:2004-03-09 实施日期:2004-06-01
Information technology -- Lower layers security
适用范围:Describes the cross layer aspects of the revision of security services in the lower layers of the OSI reference Model (transport, network, data link, physical). Describes the architectural concepts com...
发布日期:1995-12-01 实施日期:1995-12-01
发布日期:2013-11-01 实施日期:2013-11-01
实施日期:2005-09-27
Standard Test Method for Low-Level Analysis of Iodine Radioisotopes in Water
发布日期:2013-06-15 实施日期:2013-07-01
Resilient floor coverings - Polyvinyl chloride floor coverings on a filled fibrous backing - Specification
适用范围:This European Standard specifies the characteristics of floor coverings with compact surface layers, made of polyvinyl chloride and modifications thereof, on a mineral fibre backing and supplied in rol...
Resilient floor coverings. Specification for smooth rubber floor coverings with or without foam backing with a decorative layer
适用范围:This European Standard specifies the characteristics of smooth, grained or embossed rubber coverings with a decorative surface layer, with or without a foam backing supplied in either tile or roll form...
Resilient floor coverings - Polyvinyl chloride floor coverings on jute backing or on polyester felt with polyvinyl chloride backing - Specification; German version EN 650:1996
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