I.S. EN 61334-4-1:1999

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Description of the reference model
  3.1 Introduction
  3.2 Basic principles of the OSI model
      3.2.1 Layered architecture
      3.2.2 Services and protocols
  3.3 Reference model
      3.3.1 Minimal three-layer architecture
      3.3.2 Basic transmission principles
      3.3.3 Physical layer
      3.3.4 Data link layer
      3.3.5 MAC sublayer
      3.3.6 LLC sublayer
      3.3.7 Optional intermediate layers
      3.3.8 Application layer
      3.3.9 Network management
  3.4 Systems management
4 Naming and addressing in DCP
  4.1 General overview
      4.1.1 Naming
      4.1.2 Addressing
      4.1.3 Registration authority for naming and addressing
      4.1.4 Directories
  4.2 Global description
  4.3 MAC addresses
      4.3.1 MAC address format
      4.3.2 Predefined MAC addresses
  4.4 LLC addresses
      4.4.1 LLX address format
      4.4.2 DL selector types
      4.4.3 LLC predefined selector
  4.5 Application process titles
      4.5.1 Titles overview
      4.5.2 Predefined titles
Annex A - Bibliography
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         Publications

Provides a basic description of the communication system based on a three layer model. Application examples are control and monitoring of the distribution network, order broadcast, control of user interfaces, public lighting, automatic meter reading, etc.