Table of Contents

 1     Scope          
 2     References
 3     Definitions
        3.1     Terms defined elsewhere       
        3.2     Terms defined in this Supplement      
 4     Abbreviations and acronyms             
 5     Conventions            
 6     Rationale   
        6.1     Ports connected to external cables     
        6.2     Ports connected to internal cables      
 7     Addition of rationale to this Supplement