VSC8552 is a dual port Gigabit Ethernet (GE) PHY with Microchip's next-generation EcoEthernet™ IEEE 802.3az Energy Efficient Ethernet technology for optimizing power in Enterprise networks, data centers, and consumer electronics, while providing support for legacy RGMII devices. VSC8552 supports two dual media copper/fiber ports with RGMII, SGMII, and QSGMII MAC interfaces, delivering Carrier-quality Synchronous Ethernet (Sync E) for TDM backhaul links, cellular base stations, and other SyncE applications