OptiX OSN 7500 
Technical Manual - System Description  3 Hardware 
 
Huawei Technologies Proprietary 
2-7 
Table 2-3 Service interfaces provided by the OptiX OSN 7500 
Interface type  Description 
SDH  STM-1 electrical interface 
STM-1 optical interfaces: I-1, S-1.1, L-1.1, L-1.2, Ve-1.2 
STM-4 optical interfaces: I-4, S-4.1, L-4.1, L-4.2, Ve-4.2 
STM-16 optical interfaces: I-16, S-16.1, L-16.1, L-16.2, L-16.2Je, 
V-16.2Je, U-16.2Je 
STM-16 optical interfaces (FEC): Ue16.2c, Ue16.2d 
STM-64 optical interfaces: I-64.1, S-64.2b, L-64.2b, Le-64.2, Ls-64.2, 
V-64.2b 
STM-64 optical interfaces (FEC): Ue64.2c, Ue64.2d 
The STM-16 and STM-64 optical interfaces support fixed wavelength 
output compliant with ITU-T G.692: 192.1THz – 196.0THz 
PDH  E1, DS1, E3, DS3, E4 electrical interfaces 
Ethernet 10/100Base-TX, 100Base-FX, 1000Base-SX, 1000Base-LX, 
1000Base-ZX 
ATM  STM-1 optical interfaces: I-1, S-1.1, L-1.1 
STM-4 optical interfaces: S-4.1, L-4.1 
E3 interface 
IMA E1 interface 
SAN  FC50, FC100/FICON, FC200, ESCON service optical interfaces 
Video  DVB-ASI service optical interface 
 
2.3.2  Administration Interface 
The OptiX OSN 7500 also provides administration interfaces. See Table 2-4 for 
description of these administration interfaces. 
Table 2-4 Administration interfaces provided by the OptiX OSN 7500 
Interface  Description 
Clock interface  Two 75 ohm external clock interfaces (2048 kbit/s or 2048 kHz) 
Two 120 ohm external clock interfaces (2048 kbit/s or 2048 kHz)