Finisar’s FTL4C1QL2L QSFP+ transceiver modules are designed for use in 40 Gigabit Ethernet links over single mode fiber. They are compliant with the QSFP+ MSA1,2 and are compatible with IEEE 802.3ba 40GBASE-LR43 up to 2 km. 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/EU4 . See Finisar Application Note AN-2038 for more details5.
PRODUCT FEATURES
Hot-pluggable QSFP+ form factor
Supports 41.2 Gb/s aggregate bit
rates
Power dissipation < 2.5W
RoHS-6 compliant
Lite case temperature range 15°C
to 60°C
Single 3.3V power supply
Maximum link length of 2km on
Single Mode Fiber (SMF)
Uncooled 4x10Gb/s CWDM
transmitter
XLPPI electrical interface
Duplex LC receptacles
Built-in digital diagnostic
functions, including Tx/Rx power
monitoring
APPLICATIONS
40GBASE-LR4 Lite 40G Ethernet
