The D-Link DSL-504 router is a high-speed internet router designed for home and small office use. It has four Ethernet ports for wired connectivity, and supports wireless networking with IEEE 802.11g and IEEE 802.11b standards. The router is compatible with ADSL and ADSL2+ connections, and features a built-in firewall to protect against unauthorized access. It also includes Quality of Service (QoS) technology to prioritize traffic for smoother online experiences. The compact size and easy-to-use configuration software make it an ideal choice for home or small office use.

The DSL-504 is a router manufactured by the company D-Link 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 admin and admin. 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.