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AddOn Finisar FCLF8521P2BTL Compatible TAA Compliant 10/100/1000Base-TX SFP Transceiver (Copper, 100m, RJ-45)

AddOn Finisar FCLF8521P2BTL Compatible TAA Compliant 10/100/1000Base-TX SFP Transceiver (Copper, 100m, RJ-45)

We currently have 150 in stock.
SKU: MPN: FCLF8521P2BTL-AO UPC:
Product Description

AddOn's industry-standard SFP is a hot-swappable input/output device that plugs into a Gigabit Ethernet slot, linking the port with the fiber-optic network. AddOn's transceivers (GBIC, SFP, XFP and XENPAK) are 100% compliant for all of our networking product lines. AddOn transceivers are factory loaded with OEM specific configuration data required for networking compliance. These transceivers initialize and perform identically to the OEM transceivers and can be mixed and deployed with other OEM or 3rd party transceivers, for seamless network performance.


  • Up to 1.25Gb/s bi-directional data links
  • Hot-pluggable SFP footprint
  • Extended case temperature range (0°C to +85°C)
  • Fully metallic enclosure for low EMI
  • Low power dissipation (1.05 W typical)
  • Compact RJ-45 connector assembly
  • Access to physical layer IC via 2-wire serial bus
  • 1000Base-TX operation in host systems with SERDES interface
  • 10/100/1000Mbps compliant in host systems with SGMII interface

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AddOn's industry-standard SFP is a hot-swappable input/output device that plugs into a Gigabit Ethernet slot, linking the port with the fiber-optic network. AddOn's transceivers (GBIC, SFP, XFP and XENPAK) are 100% compliant for all of our networking product lines. AddOn transceivers are factory loaded with OEM specific configuration data required for networking compliance. These transceivers initialize and perform identically to the OEM transceivers and can be mixed and deployed with other OEM or 3rd party transceivers, for seamless network performance.


  • Up to 1.25Gb/s bi-directional data links
  • Hot-pluggable SFP footprint
  • Extended case temperature range (0°C to +85°C)
  • Fully metallic enclosure for low EMI
  • Low power dissipation (1.05 W typical)
  • Compact RJ-45 connector assembly
  • Access to physical layer IC via 2-wire serial bus
  • 1000Base-TX operation in host systems with SERDES interface
  • 10/100/1000Mbps compliant in host systems with SGMII interface