I.S. EN 62056-46:2002

FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 Overview
  4.1 The LLC sub-layer
  4.2 The MAC sub-layer
  4.3 Specification method
5 The LLC sub-layer
  5.1 The rote of the LLC sub-layer
  5.2 Service specification for the LLC sub-layer
      5.2.1 Setting up the Data Link Connection
      5.2.2 Disconnecting the Data Link Connection
      5.2.3 Data communication
  5.3 Protocol specification for the LLC sub-layer
      5.3.1 Overview
      5.3.2 LLC protocol data unit (LPDU) structure
      5.3.3 State transition tables for the LLC
            sub-layer
6 The MAC sub-layer
  6.1 HDLC selections
  6.2 Service specification for the MAC sub-layer
      6.2.1 Setting up the MAC connection
      6.2.2 Disconnecting the MAC connection
      6.2.3 Data communication
  6.3 Physical layer services used by the MAC
      sub-layer
      6.3.1 Overview
      6.3.2 Setting up a physical link
      6.3.3 Disconnecting the physical link
      6.3.4 Data communication
  6.4 Protocol specification for the MAC sub-layer
      6.4.1 The MAC PDU and the HDLC frame
      6.4.2 MAC addressing
      6.4.3 Command and response frames
      6.4.4 Elements of the procedures
      6.4.5 State transition diagram for the server
            MAC sub-layer
Annex A (informative) FCS calculation
Annex B (informative) Data model and protocol
Annex C (informative) Data link layer management services
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Describes the data link layer for connection-oriented, HDLC-based, asynchronous communication profile.