Designed for 40 Gigabit per second communications, the FTL4C1QE2C QSFP+ transceiver modules are suitable for single mode fiber connections and adhere to QSFP+ MSA and IEEE 802. For details of our compliance standards, click here. 3ba 40GBASE-SR43and breakout to 4 10GBASE-SR. Digital diagnostics functions areavailable via an I2C interface, including Tx and Rx. Coherent FTL4C1Q 40GBASE-LR4 QSFP+ Optical Transceivers are designed for use in 40Gb Ethernet links over single-mode fiber (SMF). These FTL4C1Q modules feature power dissipation of <3. 3V power supply, and an uncooled 4x10Gb/s CWDM transmitter. Eoptolink QSFP+ Active Optical Cable (AOC) is available up to 100m length. Sign up. Get effortless 40G connectivity with our 40G Multimode MPO DCI Coherent QSFP Optical Module. Our qsfp optical module delivers 40G performance that transforms how your.