home products Optical Transceivers QSFP+ Transceivers 40GBASE-LR4 10km Gen2 QSFP+ Transceiver
40GBASE-LR4 10km Gen2 QSFP+ Transceiver
Coherent | Finisar

40GBASE-LR4 10km Gen2 QSFP+ Transceiver

Manufacturer: Coherent | Finisar

Datasheet: FTL4C1QE2C

Delivers to:

Delivers to Europe.

Contact us for volume discounts.


Authorised Distributors
Authorized Distributor
Stock Availability
Bulk Discounts
Volume Discounts
Technical Support
Includes Warranty

Product Detail

The FTL4C1QE2C QSFP+ transceiver modules are engineered for utilization in 40 Gigabit Ethernet connections over single mode fiber. These modules are in compliance with the QSFP+ MSA and IEEE 802.3ba 40GBASE-LR4 standards. They also offer digital diagnostic functions through an I2C interface, as outlined by the QSFP+ MSA.

40GBASE-LR4 10km Gen2 QSFP+ Transceiver
FTL4C1QE2C QSFP+ transceiver modules are designed for use in 40 Gigabit Ethernet links over single mode fiber
Coherent | Finisar

Features & Benefits

  • Supports 41.2 Gb/s aggregate bit rates
  • Built-in digital diagnostic functions, including Tx/Rx power monitoring
  • Power dissipation
  • RoHS compliant
  • Commercial temperature range 0°C to 70°C
  • Single 3.3V power supply
  • Maximum link length of 10km on Single Mode Fiber (SMF)
  • Uncooled 4x10Gb/s CWDM transmitter
  • XLPPI electrical interface
  • Duplex LC receptacles

Technical Specifications

Data Rate (max)41.2 Gb/s
Distance10 km
Form FactorQSFP+
High End Case Temperature (°C)70
Low End Case Temperature (°C)0
Protocol40G 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

Need Help?

We have local language and currency support in each of our 28 locations, ensuring you always have access to friendly customer support to deliver your hardware solutions regardless of your location.