OptiX OSN 7500 
Technical Manual - System Description  6 Data Features 
Huawei Technologies Proprietary 
6-1 
6 Data Features 
This chapter introduces the data features provided by the OptiX OSN 7500. It covers: 
 
Ethernet 
 
RPR 
 
ATM 
6.1  Ethernet Features 
This section introduces the Ethernet features of the OptiX OSN 7500 in terms of 
function, application and protection.. 
6.1.1  Function 
The OptiX OSN 7500 provides the Ethernet boards EFS4, EFS0, EGS2, EGT2 and 
EFT8 to meet different Ethernet service requirements. Table 6-1 lists the basic 
functions of these boards.. 
Table 6-1 Functions of OptiX OSN 7500 Ethernet boards 
     Feature 
Board      
EFS4  EFS0  EGS2  EGT2  EFT8 
Interface  4 x FE  8 x FE  2 x GE  2 x GE  8/16 x FE 
Interface board used with  -  ETF8, 
EFF8, ETS8
- -  ETF8, EFF8 
Service frame format  Ethnet II, IEEE 802.3  Ethnet II, IEEE 802.3