CONTENTS

 1     General
 2     Concepts and terminology
 3     Overview description of LAPD functions and procedures
        3.1     General
        3.2     Unacknowledged operation
        3.3     Acknowledged operation
        3.4     Establishment of information transfer modes
 4     Service characteristics
        4.1     General
        4.2     Services provided to layer 3
        4.3     Services provided to layer management
        4.4     Administrative services
        4.5     Model of the data link service
        4.6     Services required from the physical layer
 5     Data link layer - Management structure
        5.1     Data link procedure
        5.2     Multiplex procedure
        5.3     Structure of the data link procedure
        5.4     Overall data link layer functional diagram
References