home products Optical Transceivers QSFP-DD 400G 400GBASE-LR4 10km QSFP-DD Transceiver
400GBASE-LR4 10km QSFP-DD Transceiver
Coherent | Finisar

400GBASE-LR4 10km QSFP-DD Transceiver

Manufacturer: Coherent | Finisar

Datasheet: FTCD4323E2PCL

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Product Detail

The FTCD4323E2PCL LR4 QSFP-DD transceiver modules are engineered for deployment in 400 Gigabit Ethernet connections over a maximum distance of 10km on single mode fiber. These modules adhere to the QSFP-DD MSA, QSFP28 MSA, 400G-LR4-10 Technical Specification Rev1.0 Sept 15, 2020, and certain sections of P802.3bs. They also feature digital diagnostic capabilities accessible through the I2C interface, as outlined by the QSFP28 MSA and Finisar Application Note AN-21xx.

400GBASE-LR4 10km QSFP-DD Transceiver
Coherent | Finisar

Features & Benefit

  • Supports 425Gb/s aggregate bit rate
  • LC duplex receptacle
  • Power dissipation
  • RoHS-6 compliant
  • Case temperature range of 0°C to +70°C
  • Single 3.3V power supply
  • Maximum link length of 10km on Single Mode Fiber (SMF)
  • Aligned with 100G Lambda MSA Group 400G-LR4-10 technical spec
  • 4x100Gb/s PAM4 serial lanes
  • 8x50G PAM4 retimed 400GAUI-8 electrical interface

Technical Specifications

ConnectorMPO (MTP12)
Data Rate (max)425 Gb/s
Distance10 km
Form FactorQSFP-DD
High End Case Temperature (°C)70
Low End Case Temperature (°C)0
Protocol400G Ethernet Compliant
Voltage Supply3.3
Wavelength1310nm Band


Coherent | Finisar

Finisar is now Coherent. Finisar is a global technology leader in optical communications. Their world-class products enable high-speed voice, video and data communications for networking, storage, wireless, and cable TV applications. For 30 years, Finisar have created critical breakthroughs in optics technology and supplied system manufacturers with the production volumes needed to meet the exploding demand for network bandwidth.

Learn about Coherent | Finisar

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