CONTENTS

        C.1     Scope    
        C.2     Definitions and abbreviations         
        C.3     Reference models 
        C.4     Operating modes (new)     
        C.5     ATU interfaces     
        C.6     ATU functional characteristics (pertains to clause 7)           
        C.7     aoc on-line adaptation and reconfiguration (pertains to clause 9)     
        C.8     In-service performance monitoring and surveillance (pertains to clause 10) 
        C.9     Initialization           
       C.10     Fast retraining (supplements clause 12)     
       C.11     Power management (pertains to clause 13)           
Appendix IV – Example Overlapped PSD Masks for use in a TCM-ISDN crosstalk environment