Coarse Wavelength Division Multiplexing (CWDM) ka hoʻohana ʻana o ka Fiber Optical Multiplexer i nā ʻoniʻoni ʻokoʻa o nā hōʻailona māmā e hoʻopili ʻia i hoʻokahi fiber optical no ka hoʻoili ʻana, ma ka hopena e pili ana i ka pilina, me ka Fiber Optical Multiplexer fiber hoʻohuihui ka decomposed i ʻokoʻa ʻē aʻe wavelengths hōʻailona, pili i nā apili e loaʻa.
ʻO 100GHz CWDM Mux / Demux Module ma kahi o hoʻokahi unahi a i ʻole ka duplex single mode fiber ka mea maʻamau loa e hoʻonui i kou laulā panee. Hāʻawi ia i kahi kūpaʻa kiʻekiʻe a me ka hilinaʻi nui, a loaʻa ka nui o ka pulu liʻiliʻi. ʻO kāna lōlani hana e puka ana mai ka 1270nm a 1610nm (1261nm-1611nm) ka mea e hāʻawi iā 18 mau kahawai me 20nm channel spacing.