CONTENTS

 1     Scope
 2     References
 3     Terms and definitions
 4     Abbreviations
 5     System overview
        5.1     General description of the scrambling/descrambling processes
        5.2     General description of the conditional access system
 6     Modelling interfaces and equipment
        6.1     List of interfaces
        6.2     List of equipment
 7     Transport protocol of conditional access messages in channel CA1
        7.1     Transmission frame
        7.2     Conditional access message content
 8     Practical implementations
Annex A – Operation with local control word
        A.1     Practical implementation with a local control word
Annex B – Operation with EUROCRYPT
        B.1     Introduction
        B.2     Functionalities of the Network Management Centre (NMC)
        B.3     Implementation of the CADs
        B.4     Implementation of the interface 2
        B.5     Implementation of the interface 5
        B.6     Illustration of the system using EUROCRYPT features
Annex C – Operation with other systems