Finisar FWS-MUX DEMUX-4EX is a plug-in CWDM 4:1 MUX/DEMUX module that multiplexes four CWDM channels into a single fiber and can demultiplex them on the other end. It supports an expansion upgrade to increase capacity within CWDM network deployments. This Finisar module is designed for compact, plug-in Mux/Demux functionality in optical networks where efficient fiber utilization is a priority.
