Coherent FCLF8521P2BTL-1T Fiber Optic Transmitters, Receivers, Transceivers 1000BASE-T SFP transceiver, RoHS compliant, 3.3V, RJ-45 connector with serial ID, auto-negotiation, 10/100 operation with SGMII interface, separated signal/chassis grounds, -40/85C operation, 100m, TAA