CONTENTS

1)     Introduction           
2)     Clause 2, References          
3)     Clause 3, Definitions           
4)     Clause 4, Abbreviations      
5)     Clause 5, Conventions        
6)     Clause 6, OAM relationships           
7)     Clause 7, OAM functions for Fault Management      
       7.1)     Clause 7.2, Ethernet loopback (ETH-LB)          
       7.2)     Clause 7.3.1, LTM transmission          
       7.3)     Clause 7.3.2, LTM reception, forwarding and LTR transmission            
       7.4)     Clause 7.6.1, LCK transmission           
       7.5)     Clause 7.7, Ethernet test signal (ETH-Test)     
       7.6)     Clause 7.12, Ethernet client signal fail (ETH-CSF)        
8)     Clause 8, OAM functions for performance monitoring          
       8.1)     Clause 8.2    
       8.2)     Clause 8.2.1.2, 1DM Reception          
       8.3)     Clause 8.2.2, Two-way ETH-DM         
       8.4)     Clause 8.2.2.3, DMR reception           
9)     Clause 9, OAM PDU types  
       9.1)     Clause 9.1, Common OAM information elements        
       9.2)     Clause 9.21, Client signal fail (CSF)    
10)     Annex A  
11)     Annex B  
12)     Appendix I