JTOPTICS® 1GBASE SX SFP transceivers s are small form factor pluggable module for bi directional serial optical data communications such as Gigabit Ethernet 1000BASE SX and Fiber Channel FC PH 2 for 100 M5 SN 1 and 100 M6 SN 1. . It is with the SFP 20 pin connector to allow hot plug capability.This module is designed for multi mode fiber and operates at a nominal wavelength of 850nm. Operating Data Rate up to 1.25Gbps850nm VCSEL Laser Transmitter550m with 50/125µm MMF300m on 62.5/125µm MMFHot Pluggable SFP Footprint Duplex LC Connector InterfaceSingle 3.3V Power SupplyCompliant with MSA SFP Specification..