OptiX OSN 7500 
Technical Manual - System Description  3 Hardware 
 
Huawei Technologies Proprietary 
2-6 
Table 2-2 Maximum service access capacity of the OptiX OSN 7500 
Service type  Max. access ports of a single subrack 
STM-64 standard or concatenated service  18 
STM-64 (FEC) service  18 
STM-16 standard or concatenated service  80 
STM-16 (FEC) service  18 
STM-4 standard or concatenated service  88 
STM-1 standard service  280 
STM-1 (electrical) service  64 
E4 service  16 
E3/DS3 service  24 
E1/T1 service  252 
Fast Ethernet (FE) service  168 
Gigabit Ethernet (GE) service  44 
STM-1 ATM service  88 
STM-4 ATM service  22 
ESCON/FC50 service  88 
FICON/FC100 service  44 
FC200 service  22 
DVB-ASI service  88 
 
2.3  Interface 
2.3.1  Service Interface 
The OptiX OSN 7500 provides service interfaces. Table 2-3 lists description of these 
service interfaces.