内容回顾 名词解释 OADM Optical Add-Drop Multiplexing(er) OXC Optical Cross Connection (Connector) W-C Wavelength Conversion(Converter) DWDM Dense Wavelength Division Multiplexing内容回顾 • 名词解释： • OADM • OXC • W-C • DWDM Optical Add-Drop Multiplexing (-er) Optical Cross Connection (Connector) Wavelength Conversion (Converter) Dense Wavelength Division Multiplexing