The yellobrik OCM 1842 4-Channel CWDM Optical Mux/Demux from Lynx Technik AG is a compact passive unit designed to send and receive up to 4 individual signals over a single fiber link. The module has an UPG (Upgrade) port to cascade into other optical multiplexer/de-multiplexer units to expand the total number of multiplexed signals.

The module can be used as a standalone or integrated into the optional RFR 1018 1/2 RU 19” rack frame, which can accommodate up to four 4-channel modules. The unit is ideally suited for use with CWDM yellobrik fiber modules.