FTLC1154RDPL4 QSFP28 transceiver modules are designed for use in 100 Gigabit Ethernet links on up to 10km of single mode fiber. Designed for outside plant applications with an industrial temperature range (-40°C to +85°C), they are compliant with the QSFP28 MSA, IEEE 802.3ba 100GBASE-LR4 and IEEE 802.3bm CAUI-4. Digital diagnostic functions are available via the I2C interface, as specified by the QSFP28 MSA and Finisar Application Notes AN-2152 and AN-2153. The optical transceiver is RoHS compliant as described in Application Note AN-2038.