1.25G S FP 10/100/1000T Transceiver
Hot Pluggable, RJ 45, Active Copper SFP


FSFP-CJ-T22-X1 Small Form Factor Pluggable SFP Copper transceivers are compliant with the current SFP Multi-Source Agreement ( MSA ) Specification. The high performance designed is integrated full duplex data link at 1.25Gbps over four pair Category 5 UTP cable up to 100m links. User can be accessed SFP serial ID information with address of A0h via the 2-wire serial bus I2C protocol. The PHY IC can also be accessed via 2-wire serial bus at address ACh.


  • Gigabit Ethernet 10/100/1000BASE-T


  • Compliant with IEEE802.3-2002 and 802.3ab
  • Compliant with SFP MSA
  • Hot Pluggable
  • Auto-detect MDI/MDI-X
  • Compatible with 1000BASE-X and 1000BASE-T auto-negotiation
  • 10/100/1000BASE-T operation in host system with SGMII interface
  • RJ-45 connector
  • Single +3.3V power supply
  • Link length up to 100m with four-pair Cat.5 UTP cable
  • RoHS Compliant