OM3358FX100 is a QSFP+ transceiver module designed for 2 km optical communication applications with single mode fiber. It is compliant with IEEE 802.3-2018 40GBASE-LR4 (partly compliant), IEEE 802.3-2018 Annex 86A, QSFP+ MSA standards. Digital diagnostic management interface (DDMI) is realized by I2C interface in compliance with SFF-8636. The module is RoHS 2 compliant.