ipolex 1.25/2.5/5/10G SFP RJ45 Copper Transceiver 10GBase T Mini GBIC Module
They are compatible with the 10Gbase-T / 5Gbase-T /2.5Gbase-T /1000Gbase-Tstandards as specified in IEEE Std 802.3. ASF-10G2-T uses the SFP's RX_LOS(must be pulled up on host) pin for link indication.