The ZyXEL D1000 eircom router is a wireless ADSL2+ router that provides high-speed internet access for home and small office users. It features four Ethernet LAN ports, one ADSL2+ port, and a built-in 802.11n wireless access point. The router supports WPA/WPA2 encryption for secure wireless data transmission and has a web-based user interface for easy configuration. It also includes advanced features such as Quality of Service (QoS) and Virtual Private Network (VPN) support.

The D1000 eircom is a router manufactured by the company ZyXEL 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 192.168.1.254, 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 Printed on Router Label. 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.