Accelight's QSFP-DD transceiver module is designed for use in 200 Gigabit Ethernet links over 10km single mode fiber. The implementation of an 8 channel DML TOSA and ROSA to create a Dual LAN-WDM transceiver. The QSFP-DD 2x100G LAN-WDM transceiver is characterized by an 8x25G NRZ electrical interface and Dual CS connectors and compliant with QSFP-DD MSA.