IEC 61334-4-33:1998

FOREWORD
INTRODUCTION
1 General
    1.1 Scope and object
    1.2 Normative references
    1.3 Acronyms and definitions
2 LLC service specification
    2.1 Overview of interactions
          2.1.1 Basic services
          2.1.2 Unsolicited services
          2.1.3 Management services
    2.2 DL_Data.request
          2.2.1 Function
          2.2.2 Structure
          2.2.3 Use
    2.3 DL_Data.confirm
          2.3.1 Function
          2.3.2 Structure
          2.3.3 Use
    2.4 DL_Data.indication
          2.4.1 Function
          2.4.2 Structure
          2.4.3 Use
    2.5 DL_Open.request
          2.5.1 Function
          2.5.2 Structure
          2.5.3 Use
    2.6 DL_Open.confirm
          2.6.1 Function
          2.6.2 Structure
          2.6.3 Use
    2.7 DL_Connect.request
          2.7.1 Function
          2.7.2 Structure
          2.7.3 Use
    2.8 DL_Connect.confirm
          2.8.1 Function
          2.8.2 Structure
          2.8.3 Use
    2.9 DL_Disconnect.request
          2.9.1 Function
          2.9.2 Structure
          2.9.3 Use
    2.10 DL_Disconnect.confirm
          2.10.1 Function
          2.10.2 Structure
          2.10.3 Use
    2.11 DL_Disconnect.indication
          2.11.1 Function
          2.11.2 Structure
          2.11.3 Use
    2.12 DL_Close.request
          2.12.1 Function
          2.12.2 Structure
          2.12.3 Use
    2.13 DL_Close.confirm
          2.13.1 Function
          2.13.2 Structure
          2.13.3 Use
    2.14 DL_Test.request
          2.14.1 Function
          2.14.2 Structure
          2.14.3 Use
    2.15 DL_Test.confirm
          2.15.1 Function
          2.15.2 Structure
          2.15.3 Use
3 LLC To MAC sublayer interface
    3.1 Overview of interactions
    3.2 MA_Data.request
          3.2.1 Function
          3.2.2 Structure
          3.2.3 Use
    3.3 MA_Data.confirm
          3.3.1 Function
          3.3.2 Structure
          3.3.3 Use
    3.4 MA_Data.indication
          3.4.1 Function
          3.4.2 Structure
          3.4.3 Use
4 LLC protocol data unit structure (LLC PDU)
    4.1 General
    4.2 LLC_PDU format
    4.3 Address fields
          4.3.1 Individual and group destination Lsap
          4.3.2 Predefined addresses
    4.4 Control field
    4.5 Invalid LLC_PDU
5 LLC procedures description
    5.1 Overview of the procedures
          5.1.1 Procedure for addressing
          5.1.2 L_pdu transmission
          5.1.3 Information transmission
          5.1.4 Time-out recovery
          5.1.5 Information reception
          5.1.6 Connection set-up
          5.1.7 Connection close-down
          5.1.8 Test sequence
          5.1.9 Frame reject conditions
          5.1.10 List of the LLC parameters
                  5.1.10.1 Length of a PDU
                  5.1.10.2 MAC available Service_Class
                  5.1.10.3 LLC station role

Covers the services required by the data communication protocol (DCP) logical link control (LLC) sublayer entity at the logical interfaces with the LLC -user layer and the MAC sublayer, using the connection-oriented LLC procedures.

This publication is of high relevance for Smart Grid.