Finisar’s SFP transceivers are compatible with the Small Form Factor Pluggable MSA. They simultaneously comply with Gigabit Ethernet and 1x/2x Fibre Channel. Digital diagnostics functions are available via the 2-wire serial bus.

2 Gigabit Short-Wavelength SFP (FTRJ8519P1xNL)

Product Features

  • Up to 2.125 Gb/s bi-directional data links
  • Hot-pluggable SFP footprint
  • Bulit-in digital diagnostics functions
  • 850 nm Oxide VCSEL laser transmitter
  • Duplex LC connector
  • Very low jitter
  • Up to 500 m on 50/125 μm MMF, 300 m on 62.5/125 μm MMF
  • Metal enclosure, for lower EMI
  • Single 3.3 V power supply
  • Low power dissipation <750 mW
  • Extended operating temperature range: -20°C to 90°C


  • 1.25 Gb/s 1000Base-SX Ethernet
  • Dual Rate 1.063/2.125 Gb/s Fibre Channel

Model 1000Base-sx
1) Category: SFP
2) Speed: 1.25Gb/2.125Gb
3) Wavelength: 850nm multi-mode
4) Interface types: lc
5) Transmission distance: 500m Multi-mode
6) Compatibility: automatically compatible with Ezhermet switches      
    Cisco, 3COM, Extreme, Fouday,avava, HP.Mortel, Enterasys, Riverstone
7) Parallelism: GLC-SX-MM, FTRJ-8519-7D, J4858A, MGBIC-LC01