DIN EN 61334-4-42:1997-09

1 Scope
2 Normative references
3 Definitions
    3.1 Reference model definitions
    3.2 Naming and addressing definitions
    3.3 Service conventions definitions
    3.4 Application layer specific definitions
4 Abbreviations
5 Application layer concepts
    5.1 Introduction
    5.2 Application processes
    5.3 Application entities
    5.4 Application service elements
    5.5 Application-associations
    5.6 Application context
    5.7 Single association object
    5.8 Single association control function
    5.9 Names and directory functions
    5.10 Use of application-association
    5.11 Use of the data link services
    5.12 Application service element standards
    5.13 Abstract syntax definition
    5.14 Encoding rules
    5.15 DCP restrictions
    5.16 Registration requirements
6 Association control service element (ACSE)
    6.1 ACSE specific definitions
    6.2 Basic concepts
    6.3 Relationship with other ASEs
    6.4 Connectionless-mode ACSE service
    6.5 Connectionless-mode ACSE protocol
7 DLMS application entity
    7.1 Overview
    7.2 General structure
    7.3 Client-DLMS ASE
    7.4 Server-DLMS ASE
8 Elements of protocol procedure
    8.1 Descriptive convention
    8.2 Mapping to ACSE and data link services
    8.3 Entering and leaving the DLMS environment
    8.4 Operating in the DLMS environment
Annexes
A Default application context
B Bibliography
ZA Normative references to international publications
    with their corresponding European publications

Covers rules used for designing an application service element, together with the ISO connectionless ACSE and DLMS Application Service element. Also allows extensions to other communications media.