The ZTE ZXDSL 831CII router is a compact and affordable device designed for home and small office use. It supports ADSL2+ technology and provides a maximum downstream rate of 24Mbps and an upstream rate of 1Mbps. The router comes with 4 Ethernet ports and supports wireless connectivity with a speed of 54Mbps. It also includes a built-in firewall for security and supports Quality of Service (QoS) to prioritize network traffic.

The ZXDSL 831CII is a router manufactured by the company ZTE 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 , 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 and . 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.