CWDM, DWDM MUX / DEMUXCWDM, DWDM, FWDM CWDM Multiplexer / Demultiplexer (MUX/DEMUX) Wavelength Division Multiplexing. Description: CWDM Multiplexers / Demultiplexers (MUX / DEMUX).Any channel combination can be configured. CWDM MUX / DEMUX 1x4 CWDM MUX / DEMUX 1x8 CWDM MUX / DEMUX 1x16 CWDM MUX / DEMUX 1x18 A “skip filter” can be added to reduce IL by 1.5 dB. CWDM MUX / DEMUX 2x32 Previous Post Fiber Optic Adapters, Couplers Next Post CWDM Add-Drop (OADM)