Web Browser
Any common web browser can be used to configure the Router using the web configuration management software. The program is designed to work best with more recently released browsers such as Microsoft Internet Explorer® version 5.0, Netscape Navigator® version 4.7, or later versions. The web browser must have JavaScript enabled. JavaScript is enabled by default on many browsers. Make sure JavaScript has not been disabled by other software (such as virus protection or web user security packages) that may be running on your computer.
Вышеописанное из мануала к модему. Также модем можно настроить по средствам CLI:
ftp://ftp.dlink.ru/pub/ADSL/DSL-500G/De ... L-500G.pdf