CONTENTS

 1     Scope
 2     References
 3     Abbreviations
 4     Description
 5     The reference configuration
        5.1     Functional elements
                  5.1.1     Customer premises equipment functions
                  5.1.2     Network functions
 6     Interfaces
        6.1     Content server - core network management system
        6.2     Core network management system - REMUX
        6.3     Core network management system - access network management system
        6.4     Access network management system - BCU
        6.5     STB - access network
        6.6     BCU - RU
 7     Logical interrelations
                  7.1.1     Zapping channel
                  7.1.2     Standby channel
                  7.1.3     Audiovisual channel
                  7.1.4     Return channel