The 2*200G CFP2 muxponder is a 4*100G service access module designed and for optical fiber links. It can realize the wavelength tunable of CFP2 coherent optical module and can be converted into DWDM standard wavelength optical signal. Interconnection with DWDM ultiplexer/demultiplexer to realize wavelength division multiplexing transmission. It provides a high-quality solution for solving transmission lines with insufficient fiber resources and high fiber line loss.