The AFCT-57F3TMZ is an Ethernet transceiver module manufactured by Foxconn. It is an integrated Gigabit Ethernet transceiver system on a chip that includes PHY-Layer functionality and MAC-Layer functionality on a single chip. It supports 10/100/1000 BASE-T Ethernet physical layer with the Media Independent Interface (MII), and the GMII bus interface. It features low power dissipation, auto-negotiation, and full duplex. It is compliant with the IEEE 802.3, IEEE 802.3u, and IEEE 802.3ab standards. The AFCT-57F3TMZ also has an on-board EEPROM for configuration settings. It is suitable for applications such as switch and router products, as well as residential gateways, set-top boxes, VoIP phones, and other networking-based products.