The 100G OEO amplifier card is a 100G signal amplifier designed for optical fiber connections, it uses the principle of optical-electro-optical conversion to regenerate the optical signal, to realize signal re-amplification, reshaping and timing. optical signal and can be converted to DWDM standard wavelength optical signal. It is suitable for SDH, SAN, SONET, ETHERNET, OTN, data center interconnection with DWDM multiplexer/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.