The Zoom X4 5551 router is a high-performance device that is designed to provide fast and reliable internet connectivity to homes and small offices. It features a built-in ADSL2+ modem that allows users to connect to the internet over their existing phone line. The router supports wireless speeds of up to 300Mbps and has four Ethernet ports for wired connectivity. It also comes with advanced security features such as WPA/WPA2 encryption and a built-in firewall to protect against online threats.

The X4 5551 is a router manufactured by the company Zoom that allows multiple devices to connect to a network and communicate with each other. It works by receiving data packets from devices and forwarding them to their intended destination. The router is assigned a unique IP address 10.0.0.3, which serves as its identifier on the network.

To access the router's settings and configure its functions, users can log in using a web browser and their admin and zoomadsl. Once logged in, users can customize various settings such as network name, password, and security protocols. They can also set up parental controls, prioritize bandwidth usage, and monitor network activity.