The Cisco ECP3940ADL is a router designed for use in small businesses and home offices. It features integrated ADSL2+ modem technology for high-speed internet access, as well as four Ethernet ports for wired connectivity. The router also supports wireless connectivity through its built-in 802.11n wireless access point. Other features include advanced security protocols, Quality of Service (QoS) support, and easy set-up through a web-based configuration interface.

The ECP3940ADL is a router manufactured by the company Cisco 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 192.168.0.1, 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.