1.25G CWDM-SFP-1490 Optical Transceiver. Dualfiber Singlemode 1490nm 80KM Features Dual data-rate of 1.25Gbps operation 1490nm CWDM DFB laser and PIN photodetector for 80KM transmission Compliant with SFP MSA and CWDM-SFP-1490 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 + 70?C Industrial : -40 to + 85?C Applications Gigabit Ethernet Fiber Channel Switch to Switch interface Switched backplane applications outer/ Server interface Other optical transmission systems Description The SFP transceivers are high performance, cost effective modules supporting dual data-rate of 1.25Gbps and 80KM transmission distance with SMF. The transceiver consists of three sections: a CWDM DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier ( TIA) and MCU control unit. All modules satisfy class I laser safety requirements. The transceivers are compatible with SFP Single-Source Agreement ( MSA) . information, please refer to SFP MSA.