1.25G date rate.LC duplex connector,40km distance,1310/FP light source P/NFS-1310-1400Date Rate1.25GLight Source1310/FPConnectorLCDistance40KMVoltage3.3VSM/MMHybridSMSonet------Fiber ChannelV plaggable SFP footprint Digital Diagnostic function available Hot pluggable Commercial, industrial temperature range RoHS compliant