SiPh 400G QSFP112 FR4 CWDM 2km SMF MPO Optical Transceiver

FIBERSTAMP Silicon Photonics 400G QSFP112 FR4 optical transceiver module adopts 100G PAM4 and silicon photonics integration technology, which is widely used in 400GBASE Ethernet links, and the transmission distance can reach up to 2km through single-mode fiber with FEC on. It is a cost-effective and lower power consumption solution for 400GBASE data center.


  • Hot-pluggable QSFP112 form factor
  • 4-channel full-duplex transceiver integrated module
  • 4×106.25Gbps(53.125GBd PAM4)electrical interface
  • 4×106.25Gbps(53.125GBd PAM4)optics architecture
  • Compliant with QSFP112 MSA and IEEE 802.3cu protocol
  • Transmission distance up to 2km over single-mode optical fiber (with FEC on)
  • Dual LC optical interface
  • Built-in digital diagnostic functions
  • Power consumption less than 10w
  • Commercial operating temperature range
  • Supply voltage 3.3V
  • RoHS compliant (lead-free)
P/N & Data Sheet Description
FUJ-400C4K02C 400G QSFP112 FR4 2km SiPh Optical Module

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