• Name: 100GE 4WDM-40 40km Industrial QSFP28 Optical Transceiver
  • NO.: 020093
  • Views : 30


The Gigalight 100GE 4WDM-40 40km industrial QSFP28 optical transceiver (GQS-SPO101-4ER4T) is designed for use in 100-Gigabit Ethernet links up to 30km without FEC or 40km with FEC on Single Mode Fiber (SMF). It is compliant with the QSFP28 MSA, 4WDM-40 MSA, and relevant portions of IEEE 802.3bm. Digital diagnostics functions are available via an I2C interface, as specified by the QSFP28 MSA. The optical transceiver is RoHS compliant.


  • Hot-pluggable QSFP28 form factor
  • 4 channels full-duplex transceiver module
  • Supports 103.125Gb/s aggregate bit rate
  • 4 channels DFB-based LAN-WDM cooling transmitter
  • 4 channels APD ROSA
  • 4.2W maximum power dissipation
  • Maximum link length of 30km on SMF without FEC
  • Maximum link length of 40km on SMF with FEC
  • Duplex LC receptacles
  • Built-in digital diagnostic functions
  • Industrial operating case temperature range: -40 to 85°C
  • Single 3.3V power supply
  • RoHS-6 compliant (lead free)


  • 100GBASE-ER4 100G Ethernet
  • 100GE 4WDM-40 applications

Ordering Information

Product Description Product Number
QSFP28 4WDM-40, 103.125Gb/s, 1310nm, 40km with FEC, SMF, LC, Industrial GQS-SPO101-4ER4T