The 10GBASE-R PHY FPGA Intellectual Property (IP) core can be used with either Altera FPGA IP for 10G Ethernet MAC or with a customer-developed Ethernet MAC via a standard XGMII interface running at 156.25 Mbps. The 10GBASE-R PHY FPGA Intellectual Property (IP) core allows connectivity directly with any XFP or SFP+ optical module or with any external device with XFI and SFI interfaces.