CONTENTS

 

 1     Basic principle  
        1.1     Frame alignment signal (FAS)        
        1.2     Bit-rate allocation signal (BAS)      
        1.3     Encryption control signal (ECS)     
        1.4     Remaining capacity
 2     Frame alignment  
        2.1     General  
        2.2     Multiframe structure           
        2.3     Loss and recovery of frame alignment         
        2.4     Loss and recovery of multiframe alignment  
        2.5     Procedure to recover octet timing from frame alignment      
        2.6     Description of the CRC-4 procedure         
        2.7     Synchronization of multiple connections      
 3     Bit-rate allocation signal   
        3.1     Encoding of the BAS         
        3.2     Values of the BAS 
 4     Bit positions for audio, video and data stream       
        4.1     LSD streams         
        4.2     Encoded audio streams      
        4.3     Encoded video streams      
        4.4     ISO-encoded audio streams          
Annex A – Definitions and tables of BAS values     
        A.1     Audio command values (000)        
        A.2     Transfer-rate command values (001)         
        A.3     Video, encryption, loop and other commands (010)           
        A.4     LSD/MLP commands (011)         
        A.5     Audio capabilities (100)    
        A.6     Video, MBE and encryption capabilities (101)       
        A.7     Transfer-rate capabilities (100)      
        A.8     LSD/MLP capabilities (101) and other (110)        
        A.9     Escape table values (111) 
       A.10     HSD/H-MLP/MLP capabilities (Table A.2)         
       A.11     HSD/H-MLP commands (Table A.2)      
       A.12     Au-ISO commands (Table A.2)   
       A.13     Au-ISO capabilities (Table A.2)   
       A.14     Applications within LSD/HSD channels – Capabilities (Table A.4)
       A.15     Applications within LSD/HSD/MLP/H-MLP channels – Commands (Table A.4)  
       A.16     Transfer-rate capabilities and commands used in channel aggregation (Table A.6)  
Annex B – Frame structure for interworking between a 64 kbit/s terminal and a 56 kbit/s terminal     
        B.1     Sub-channel arrangement  
        B.2     Operation of the 64 kbit/s terminal 
        B.3     Restriction against some communication modes      
        B.4     Audio command codes (000)