Finisar Corporation May 2016 Rev B1 Page 1
Product Specification
40GBASE QSFP+ Optical Transceiver Module – 40km
FTL4E1QE1C
9BPRODUCT FEATURES
Hot-pluggable QSFP+ form factor
Supports 41.3 Gb/s aggregate bit
rate
Power dissipation < 3.5W
18.5 dB link insertion loss budget
RoHS-6 compliant
Commercial case temperature
range 0°C to 70°C
Single 3.3V power supply
Maximum link length of 40km 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
1
APPLICATIONS
40GBASE-ER4 40G Ethernet
Finisar’s FTL4E1QE1C QSFP+ transceiver modules are designed for use in 40 Gigabit
Ethernet links over single mode fiber. They are compliant with the QSFP+ MSA1 and IEEE
802.3bm 40GBASE-ER42. 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/EU5. See Finisar Application Note AN-2038 for more details4.
3B
PRODUCT SELECTION
16BFTL4E1QE1C
E: Ethernet support
1: First generation product
C: Commercial temperature range