Feature: SFP package with LC connector 1270nm DFB Laser and photodetector 1330nm DFB Laser and photodetector Up to 10Km transmission on SMF + 3.3V single power supply LVPECL compatible data input/output interface Low EMI and excellent ESD protection laser safety standard IEC-60825 compliant Compatible with RoHS Compatible with SFF8472 Application SONET OC-48 LR-1 / SDH STM L- 16.1 SONET OC-12 / SDH STM 4 SONET OC-3 / SDH STM-1 Gigabit Ethernet / 1x/2x Fibre Channel