1     Scope           
 2     References 
 3     Definitions  
        3.1     Terms defined elsewhere         
        3.2     Terms defined in this Recommendation             
 4     Abbreviations and acronyms              
 5     Conventions              
 6     General features of optical fibre cable network maintenance             
        6.1     Maintenance category               
        6.2     General functions of optical fibre cable network maintenance 
 7     Relationship between recommendations relevant to maintenance of optical
fibre cable networks     
Appendix I – Japanese experience     
        I.1     Introduction     
        I.2     Scope  
        I.3     Concept of optical fibre cable network maintenance     
        I.4     Functions required for optical fibre cable network maintenance              
Appendix II – UK experience     
       II.1     Introduction    
       II.2     Preventative maintenance – surveillance           
       II.3     Preventative maintenance – testing     
       II.4     Preventative maintenance – control     
       II.5     Post-fault maintenance – surveillance 
       II.6     Post-fault maintenance – testing           
       II.7     Post-fault maintenance – remedy         
Bibliography