1.25G date rate.LC duplex connector,550m distance,850/VCSEL light source P/NFS-0850-1055Date Rate1.25GLight Source850/VCSELConnectorLCDistance550MVoltage3.3VSM/MMHybridMMSonet------Fiber ChannelV SFP Duplex Digital Diagnostic function available Hot pluggable Commercial, industrial temperature range RoHS compliant