DIN EN 61334-4-1:1998-01

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 references to international publications
          with their corresponding European Publications

Communicates through the distribution line carrier technology (DLC) on low and medium voltage distribution network. Covers control and monitoring of the distribution network, order broadcast, control of user interfaces, public lighting, traffic lights supervision, automatic meter reading and so on. Also allows extensions to other communication media.