1.25G bps SFP Bi-Directional Transceiver, Single Mode, 20km Reach Features 1.25G bps data rate FP laser and PIN photodetector for 20km transmission Compliant with SFP MSA and SFF-8472 with simplex LC or SC receptacle Digital Diagnostic Monitoring Internal Calibration or External Calibration Compatible with SONET OC-24 Compatible with RoHS + 3.3V single power supply Operating case temperature range of 0C to +70C (Commercial) or -40C to +85C (Industrial) Applications Gigabit Ethernet Fiber Channel Switch to Switch interface Switched backplane applications Router/Server interface Other optical transmission systems