"Finisar's FTL4C1QE2L QSFP+ transceiver modules are designed for use in 40 Gigabit Ethernet links over single mode fiber. They are compliant with the QSFP+ MSA and IEEE 802.3ba 40GBASE-LR4. Digital diagnostics functions are available via an I2C interface, as specified by the QSFP+ MSA. The optical transceiver is compliant per the RoHS Directive 2011/65/EU. See Finisar Application Note AN-2038 for more details."
40GBASE-LR4 10km Gen2 Lite QSFP+ Transceiver
XCVR, QSFP, 140m on OM3 / 160m on OM4 / 1km on SMF, 40GE over MMF & SMF, 4x10G LM4 UNIV CWDM DFB, PIN, Limiting, XLPPI electrical interface, RoHS, 3.3V, 3.5W, Limited Temp, 15/70°C operation, Gen2
Coherent | Finisar