... , 16CH, 18CH CWDM mux/demux module.They are available in the form of Plastic ABS module cassette, 19’’ rack mountable box or ... standard LGX box.Widely used in Gigabit & 10G Ethernet, SDH/SONET ... 4,8,16,18-CH CWDM Mux/Demux Module packed in 19”rack mount; 100G, 200G DWDM OADM Module(4, 8 ...