波分復用器&耦合器
DWDM（密集波分復用）技術作為最有效的解決線路帶寬擴容的方法，但是CWDM (粗波分復用)技術比DWDM在系統成本、可維護性等方面具有優勢。CWDM與DWDM皆屬于波分復用技術，都可以將不同波長的光偶合到單芯光纖中去，一起傳輸。
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1x4 DWDM DEMUXDWDM DEMUX LC/UPC 1x4波長值1295.56/1300.05/1304.58/1309.14nm
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1x4 DWDM DEMUXDWDM DEMUX LC/UPC 1x4波長值1295.56/1300.05/1304.58/1309.14nm
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1x4 CWDM MUXCWDM MUX LC光纖UPC 1x4波長值1271/1291/1311/1331nm
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1x4 CWDM DEMUXCWDM DEMUX LC/UPC 1x4波長1271/1291/1311/1331nm
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1x4 迷你CWDM MUXCWDM MUX LC光纖UPC 1x4波長值1271/1291/1311/1331nm
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1x4 迷你CWDM DEMUXCWDM DEMUX LC光纖UPC 1x4波長值1271/1291/1311/1331nm
