NEN EN 50090-4-2 : 2004

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
  3.1 Terms and definitions
  3.2 Abbreviations
4 Requirements for the physical layer and independent
  data link layer
  4.1 Functions of the data link layer
  4.2 Possible media and their impact on Layer-2
  4.3 Data link layer services
  4.4 Data link layer protocol
  4.5 Parameters of Layer-2
  4.6 Specific devices
5 Requirements for the network layer
  5.1 Functions of the network layer
  5.2 Network layer services and protocol
  5.3 Parameters of the network layer
  5.4 Network layer state machines
6 Requirements for the transport layer
  6.1 Functionality of the transport layer
  6.2 Transport layer Protocol Data Unit (TPDU)
  6.3 Overview communication modes
  6.4 Transport layer services
  6.5 Parameters of transport layer
  6.6 State machine of connection-oriented communication
      mode
Annex A (informative) Examples of transport layer connection
                      oriented state machine state diagrams
  A.1 Connect and disconnect
  A.2 Reception of data
  A.3 Transmission of data
Figures
Tables

Describes the services and protocol in a physical layer independent way for the data link layer and for the network layer and the transport layer for usage in Home and Building Electronic Systems.