1.25G GLC-LH-SM Optical Transceiver. Dualfiber Singlmode 1310nm 10KM Features Dual data-rate of 1.25Gbps operation 1310nm FP laser and PIN photodetector for 10KM transmission Compliant with SFP MSA and SFP-LH-SM with duplex LC receptacle Digital Diagnostic Monitoring: Internal Calibration or External Calibration Compatible with RoHS +3.3V single power supply Operating case temperature: Standard : 0 to +70ípC Industrial : -40 to +85ípC Applications Gigabit Ethernet Fiber Channel Switch to Switch interface Switched backplane applications Outer/server interface Other optical transmission systems Standard export package