Luma Optics is a highly integrated serial optical transponder module for high-speed, 10Gbit/s data transmission applications. 4×3.125Gbps Ethernet Signal Input by XAUI Interface. An integrated coder/decoder and multiplexer/demultiplexer (SERDES: Serializer / Deserializer). Digital diagnostics functions are available via a 2-wire serial interface, as specified in the XENPAK MSA 3.0.