I.S. EN 62056-53:2007

FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 The COSEM communications framework
  4.1 Client/server type operation, communication profiles
  4.2 Connection (association) oriented operation
5 Overview: the COSEM application layer
  5.1 Specification method
  5.2 Application layer structure
  5.3 Service specification
  5.4 Layer management services
  5.5 Protocol specification
6 COSEM application layer - Service specification
  6.1 Summary of services
  6.2 Application association establishment and release
  6.3 Special application associations
  6.4 Data communication
  6.5 Client COSEM application layer services
  6.6 Server COSEM application layer services
  6.7 Summary of COSEM application layer services and
      service parameters
7 COSEM application layer protocol specification
  7.1 State definitions for the client side control function
  7.2 State definitions for the server side control function
  7.3 Protocol for application association establishment/release
  7.4 Protocol for data communications
8 Specification of COSEM data types
  8.1 The COSEM APDUs
  8.2 The ACSE APDUs
  8.3 Useful types
  8.4 The xDLMS-Initiate.request/response/ConfirmedServiceError PDUs
  8.5 The conformance block
  8.6 Definition of APDUs for data communication
Annex A (normative) The xDLMS application service element
Annex B (normative) Using the COSEM Application Layer in
        various communication profiles
Annex C (informative) AARQ and AARE encoding examples
Annex D (informative) Data model and protocol
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Bibliography

Describes the COSEM application layer in terms of structure, services and protocols for COSEM clients and servers, and defines how to use the COSEM application layer in various communication profiles.