The TP-Link MC200CM is a versatile Ethernet Media Converter designed to extend fiber optic connections, supporting up to 0.55km of distance. With a single 10/100/1000Mbps RJ45 port that automatically negotiates between half and full-duplex modes, this compact device offers a seamless bridge between fiber and copper networks. Ideal for both home and small business applications, it's a reliable, cost-effective solution for network upgrades and expansion.