... .Widely used in Gigabit & 10G Ethernet, SDH/SONET, ATM, ESCON, Fibre Channel, FTTx and CATV FBT Coupler/Splitter Single mode Dual window ... , 200G DWDM OADM Module(4, 8 channel) 100G,200G DWDM Module(4, 8, 16 channel) 100G, 200G DWDM Optical Add-Drop Multiplexer ...