The RTXM228-551 850nm VCSEL 10Gigabit Transceiver is designed to transmit and receive serial optical data links up from 8. 51875 data rate over multimode fiber. The Transceiver is compliant with FC-PI-4, 10G FC, IEEE 802. 3ae, SFF-8432, and applicable portions of. FeaturesDuplex LC receptacle optical interfaceSingle +3. 3V power supplyHot-pluggableAC coupling of PECL signalsSerial ID module on MOD (0-2)DDM Function implementedExternal CalibrationInternational Class 1 laser safety certifiedTransmitter disable inp. RTXM159-400 - Genuine WTD 622M 1310nm 15km SM. WTD Optical Modules 1310nm 155M 15KM. Brand: WTD SKU: RTXM139-400 Condition: LIKE NEWThe condition stated is accurate. Warranty: Prime 30 Day WarrantyAll warranties are honored by Prime Electronics WTD Optical Modules 1310nm 155M 15KM SFP Transceiver RTXM139-400An KCC / MSIP wtd ID is the authorization ID assigned by the Korean Communications Commission to identify wireless products in the Korean market. The wtd assigns application ID numbers and Authorization number to approved products.