home products Optical Transceivers QSFP+ Transceivers 40GBASE-ER4 and OTU3 Multirate 40km QSFP+ Transceiver
40GBASE-ER4 and OTU3 Multirate 40km QSFP+ Transceiver
Coherent | Finisar

40GBASE-ER4 and OTU3 Multirate 40km QSFP+ Transceiver

Manufacturer: Coherent | Finisar

Datasheet: FTL4E1QM1C

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Product Detail

The FTL4E1QM1C QSFP+ transceiver modules are engineered for utilization in 40 Gigabit Ethernet connections and 4x10G OTN client interfaces over single mode fiber. These modules adhere to the standards of the QSFP+ MSA, IEEE 802.3bm 40GBASE-ER4, and OTU3 requirements as outlined in the ITU-T Recommendation G.695, tailored to a 40km interface. Digital diagnostic features are accessible through an I2C interface, in accordance with the specifications of the QSFP+ MSA.

40GBASE-ER4 and OTU3 Multirate 40km QSFP+ Transceiver
FTL4E1QM1C QSFP+ transceiver modules are designed for use in 40 Gigabit Ethernet links and 4x10G OTN client interfaces over single mode fiber
Coherent | Finisar

Features & Benefits

  • Supports 39.8 Gb/s to 44.6 Gb/s aggregate bit rates
  • Duplex LC receptacles
  • Power dissipation
  • 18.5 dB link insertion loss budget
  • RoHS 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

Technical Specifications

Data Rate (max)44.6 Gb/s
Distance40 km
Form FactorQSFP+
High End Case Temperature (°C)70
Low End Case Temperature (°C)0
ProtocolOTN OTU3 Compatible 40G Ethernet Compliant
Transmitter4x DFB Laser
Voltage Supply3.3
Wavelength1310nm Band


Coherent | Finisar

Coherent Corp. is a global leader in materials, networking, and lasers for the industrial, communications, electronics, and instrumentation markets. The company is headquartered in Saxonburg, Pennsylvania. It was founded in 1971 to manufacture high-quality materials and optics for industrial lasers. Today, the company operates in more than 20 countries around the world. Coherent is focused on delivering innovations that fuel market megatrends while pursuing our mission of enabling the world to be safer, healthier, closer, and more efficient. Coherent empowers market innovators to define the future through breakthrough technologies, from materials to systems.

Learn about Coherent | Finisar

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