Finisar's FTL410QE3C QSFP+ optical transceivers are designed for use in 40 Gigabit per second links over multimode fiber. They are compliant with the QSFP+ MSA and IEEE 802.3ba 40GBASE-SR4and breakout to 4 10GBASE-SR. The Gen 3 variant has built-in real-time digital diagnostic functions, including Tx and Rx power monitoring. The optical transceiver is compliant per the RoHS-6 Directive 2011/65/EU. See Finisar Application Note AN-2038 for more details.