The Gigalight 100G CFP to QSFP28 adapter/converter (GCF-QSFP28-101-x) can convert a CFP MSA interface to a QSFP28 port. It supports FEC function which can be enabled through the register configuration. It is compliant with the CFP MSA, IEEE 802.3ba 100GBASE-SR4/LR4/ER4, CWDM4, CLR4, PSM4, and OTU4 standards. Digital diagnostics functions are available via an MDIO interface, as specified by the CFP MSA. The adapter/converter is RoHS compliant.


  • Converts 10x10G lanes to 4x25G lanes
  • Supports 111.8Gb/s aggregate bit rate
  • Supports 100G IEEE 802.3bj NRZ FEC
  • OTU4 compatible (FEC is invalid when OTU4 data rate mode is on)
  • 5W maximum power dissipation
  • 1 QSFP28 port with TX and RX
  • Built-in digital diagnostic functions
  • Operating case temperature range: 0 to 70°C
  • Single 3.3V power supply
  • RoHS-6 compliant (lead free)


  • 100GE interconnections
  • OTN OTU4 applications

Ordering Information

Product Description Product Number
100G CFP to QSFP28 adapter/converter for 100G QSFP28 SR4/PSM4/CWDM4/CLR4 GCF-QSFP28-101-E
100G CFP to QSFP28 adapter/converter for 100G QSFP28 LR4/ER4 GCF-QSFP28-101-N

download attachments : GCF-QSFP28-101-x 【Preview】