Ko te Wahanga Hiko Whakanui Taapapa (CWDM) te whakamahinga o te Fiber Optical Multiplexer ki nga momo waarangi rereketanga o nga tohu rama he maha ki te muka whatu mo te tuku, i te mutunga o te hono, me te tohu Fiber Optical Multiplexer me te whakakii waitohu wavelengths, hono ki te taputapu whiwhi takitahi.
100GHz CWDM Mux / Demux Tohu paatini mo te taakata taapiri-a-rei taapiri-a-reanga he tino noa ki te tuku atu i to tatau hōkaiipurangi. He nui te pumau me te pono, he iti te rahi o te kete. Ko tana roangaru whakahaere he mai i te 1270nm ki te 1610nm (1261nm-1611nm) e tuku ana i nga awa 18 me nga waahanga whanga 20nm.