100G QSFP28 PSM4 DML 1310nm 2km/10km Optical Transceiver

GIGALIGHT 100G QSFP28 PSM4 optical transceiver are used for medium to long distance interconnections in data centers and are compliant with the 100G PSM4 MSA specification and compatible with both 100G Ethernet and InfiniBand EDR transport protocols. The series use 4 pairs of parallel single-mode fiber for transmission with a central wavelength of 1310nm and distances up to 2km or 10km (both with FEC enabled).


  • Hot-pluggable, full-duplex transceiver module packaged in QSFP28 form factor
  • 4-channel 1310nm DML and PIN
  • Transmission rates of up to 25.78125Gbps per channel
  • Built-in CDR circuitry for receive and transmit channels, supporting CDR bypass
  • Compliant with QSFP28 MSA and 100G PSM4 MSA Ethernet transport protocol
  • Compatible with 100GE and InfiniBand HDR transport protocols
  • Backward compatible with IEEE 802.3ba 40GBASE-SR4 and InfiniBand FDR transport protocols
  • Distance up to 2km or 10km using 1 pairs of single-mode fibers (both require FEC to be turned on)
  • Power consumption less than 3.5w
  • MPO12/APC optical connectors
  • Commercial and industrial grade operating temperature range
  • Supply voltage 3.3V
  • RoHS compliant (lead-free)
P/N Description
GQM-SPO101-IR4C 100GE QSFP28 PSM4 DML 1310nm 2km Optical Module
GQM-SPO101-IR4T Industrial-grade 100GE QSFP28 PSM4 DML 1310nm 2km Optical Module
GQM-SPO101-LR4C 100GE QSFP28 PSM4 DML 1310nm 10km Optical Module
GQM-SPO101-LR4T Industrial-grade 100GE QSFP28 PSM4 DML 1310nm 10km Optical Module

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