Cozlink QSFP+ Transceivers modules are designed for use in 40 Gigabit Ethernet links over single mode fiber. They are QSFP+ MSA and IEEE 802.3ba 40GBASE-LR4 compliant and are equipped with digital diagnostics functions available via an I2C interface, as approved by QSFP+ MSA. The QSFP+ transceivers are RoHS-6 compliant and lead-free per Directive 2011/65/EU.The QSFP+ Transceivers are hot pluggable low power optical modules with XLPPI electrical interface, Duplex LC receptacles and built-in digital diagnostic functions. Equipped with temperature stabilized 4x10Gb/s CWDM transmitter, the Cozlink QSFP+ Transceivers can deliver maximum link length of 10 km over a single mode fiber. The QSFP+ Transceivers are fast and effective fiber optic networking solutions and are industry approved replacement for Cisco, Finisar and other brands of transceivers.