400G QSFP-DD LR4 光模块

This product is a 400Gb/s Quad Small Form Factor Pluggable-double density (QSFP-DD) optical module designed for 10km optical communication applications. The module converts 8 channels of 50Gb/s (PAM4) electrical input data to 4 channels of CWDM optical signals, and multiplexes them into a single channel for 400Gb/s optical transmission. Reversely, on the receiver side, the module optically de-multiplexes a 400Gb/s optical input into 4 channels of CWDM optical signals, and converts them to 8 channels of 50Gb/s (PAM4) electrical output data.

  • QSFP-DD MSA compliant
  • 4 CWDM lanes MUX/DEMUX design
  • 100G Lambda MSA 400G-LR4
  • Specification compliant
  • Up to 10km transmission on single
  • Operating case temperature: 0 to 70oC
  • mode fiber (SMF) with FEC
  • 8×53.125Gb/s electrical interface (400GAUI-8)
  • Data Rate 106.25Gbps (PAM4) per channel
  • Maximum power consumption 12W
  • Duplex LC connector
  • RoHS compliant

Mechanical Dimensions

Transceiver Block Diagram


  • Data Center Interconnect
  • 400G Ethernet
  • Infiniband interconnects
  • Enterprise networking


Distance Data Rate Fiber Interface Temp.
TL-QSFP-DD-400G-lr4 10km 400G SMF LC-DX

0 ~ 70°C


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