200G QSFP56 ER4 EML LWDM4 40km Optical Transceiver

GIGALIGHT 200G QSFP56 ER4 optical transceiver module is used for long-distance transmission in the field of data communication or telecommunications, and complies with the IEEE 802.3cn 200GBASE-ER4 Ethernet transmission protocol. The product has a built-in pair of 4-channel LWDM MUX and DEMUX with center wavelengths of 1295.56nm, 1300.05nm, 1304.58nm and 1309.14nm, using a pair of single-mode optical fibers for transmission up to 40km (FEC needs to be turned on).


  • Full-duplex transceiver module in QSFP56 hot-pluggable package
  • 4-channel LAN-WDM cooled EML and APD
  • Up to 53.125Gbps (50G PAM4) per lane
  • Complies with QSFP56 MSA and IEEE 802.3cn 200GBASE-ER4
  • Ethernet transport protocols
  • Transmission using 1 pair of single-mode fibers over distances up to 40km (FEC on)
  • Power consumption is less than 7W
  • Dual LC optical interfaces
  • Commercial-grade operating temperature range
  • The supply voltage is 3.3V
  • RoHS compliant (lead-free)
P/N Description
GQS-SPO201-ER4C 200GE QSFP56 ER4 EML LWDM4 40km optical transceiver module

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