... ' Coarse wavelength division multiplexer (CWDM Mux/Demux Or CWDM/OADM) utilizes thin film ... common configuration of CWDM mux/demux module is 2CH, 4CH, 8CH, 16CH, 18CH CWDM mux/demux module.They are ... Mux/Demux) Module 4,8,16,18-CH CWDM Mux/Demux Module packed in 19”rack mount; 100G, 200G DWDM OADM ... Module(4, 8 channel) 100G,200G DWDM ...