The 4-Port ADSL 2/2+ Modem Router, model TDM-C504, provides a modem for Internet access, a router for multiple Internet connections, and a 4-port switch to network computers and other devices. This combination modem router supports Internet service providers with ADSL 2 and ADSL 2+ networks. Installation is a breeze with a step-by-step setup wizard. LEDs convey devices status and a convenient on/off power button protects hardware when powering down. A firewall protects your valuable data. Manage access to the Internet with Port and MAC address filtering and URL and domain name blocking. Additional features include a browser-based management interface, SNMP v1 and v2c support, QoS data prioritization, DMZ controls, Port Forwarding, and DDNS support.