CONTENTS

 1     Scope
 2     References
 3     Definitions and abbreviations
        3.1     Definitions
        3.2     Abbreviations
 4     Reference configuration
        4.1     Application
 5     Functional configuration
        5.1     Relationship between TMN and the B-ISDN access digital section
 6     Main functions
        6.1     Functions of B‑ISDN access digital section
                  6.1.1     ATM cell stream transfer
                  6.1.2     Transmission path functions
                  6.1.3     Digital section functions
                  6.1.4     Bit timing
                  6.1.5     OAM functions
                  6.1.6     Management information transfer
                  6.1.7     Power feeding
        6.2     General functional architecture of B-NT1
                  6.2.1     Transfer functions
                  6.2.2     Layer management functions
                  6.2.3     Plane management functions
                  6.2.4     Timing functions
        6.3     General functional architecture of B-LT
                  6.3.1     Transfer functions
                  6.3.2     Layer management functions
                  6.3.3     Plane management functions
                  6.3.4     Timing functions
 7     Network performance
 8     Operation and maintenance
        8.1     OAM functions
                  8.1.1     Monitoring functions
                  8.1.2     Control functions
        8.2     OAM procedures
Annex A – B-ET physical layer state transition table
Annex B – B-ISDN access digital section state transition tables