CONTENTS

 1     Scope 
 2     References 
 3     Definitions  
 4     Abbreviations   
 5     Reference models
        5.1     VTU functional model        
        5.2     User plane protocol reference model          
        5.3     Management plane reference model           
        5.4     Application reference models         
 6     Profiles
        6.1     Definition
        6.2     Profile parameter definitions           
        6.3     Profile compliance 
 7     Transmission medium interface characteristics       
        7.1     Duplexing method and band plan construction        
        7.2     Power spectral density (PSD)        
        7.3     Termination impedance      
        7.4     Longitudinal conversion loss           
 8     Transport protocol specific transmission convergence (TPS‑TC) function  
        8.1     The user data TPS-TC      
        8.2     Management TPS-TC (MPS-TC) 
        8.3     Network timing reference TPS-TC (NTR-TC)       
 9     Physical media specific transmission convergence (PMS‑TC) sub-layer    
        9.1     PMS-TC functional model 
        9.2     Scrambler  
        9.3     Forward error correction   
        9.4     Interleaving
        9.5     Framing  
        9.6     Impulse noise protection (INP_p)     
        9.7     Delay     
        9.8     Bit error ratio (BER)          
10     Physical media dependent (PMD) function          
       10.1     PMD functional model      
       10.2     DMT superframe  
       10.3     Symbol encoder for data symbols 
       10.4     Modulation           
       10.5     Symbol encoder for sync symbol   
       10.6     Symbol encoder for initialization    
11     Operation and maintenance (OAM)        
       11.1     OAM functional model     
       11.2     VDSL2 management entity (VME)           
       11.3     OAM primitives    
       11.4     OAM parameters 
12     Link activation methods and procedures  
       12.1     Overview 
       12.2     Special operations channel (SOC) 
       12.3     Initialization procedure      
       12.4     Loop diagnostic mode procedures
       12.5     Fast startup          
13     On‑line reconfiguration (OLR)    
       13.1     Types of on‑line reconfiguration    
       13.2     Control parameters           
       13.3     Timing of changes in sub-carrier configuration        
       13.4     Receiver initiated procedure          
14     Electrical requirements    
       14.1     Termination impedance model       
       14.2     Service splitters    
Annex A – Region A (North America)    
        A.1     Band plan 
        A.2     PSD specifications
Annex B – Region B (Europe)    
        B.1     Band plans
        B.2     Limit PSD mask options    
        B.3     Transmit PSD mask options          
        B.4     Template PSD      
        B.5     Compliance           
Annex C – Region C (Japan)    
        C.1     Band plan 
        C.2     PSD masks           
        C.3     Service Splitter     
        C.4     Test loops and crosstalk disturbers
Annex D    
Annex E      
Annex F      
Annex G    
Annex H    
Annex I       
Annex J       
Annex K – TPS‑TC functional descriptions    
        K.1     STM transmission convergence (STM‑TC) function          
        K.2     ATM transmission convergence (ATM‑TC) function         
        K.3     Packet transmission convergence function (PTM‑TC)