... 7 days after paymentHuawei OSN 3500 sdh over ethernet equipmentProduct OverviewThe OptiX OSN 3500 intelligent optical transmission ... built-in WDM technology to transmit several wavelengths over one optical fiber. In this manner, the ... FE/GE/10GEMSTP interfacesSTM-64/16/4/1, E1/E3/E4/T1/T3, FE/GE/10GE, DDN ... 530A), E1/T1, E3/T3, E4, STM-1(E), 10/100BASE-TX, 1000BASE-TOptical interfaces:- Ethernet 100base- ...