SN EN 61334-4-33 : 1998

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
Annex ZA Normative references to international publications
with their corresponding European publications

Describes the services needed by the data communication protocol (DCP) logical link control (LLC) sublayer entity at the logical interfaces with the LLC-user layer and MAC sublayer, by means of the connection-oriented LLC methods.