The Arris TM502G modem allows you to connect to the Internet via a DSL connection. Although you can usually plug the modem into your computer and begin surfing the Web, you can log into the device and change a variety of the settings, including the password and if you are connecting any wireless Internet routers to the modem. This process is completed without any special programming needed.
Power on the Arris TM502G modem and your computer.
Look on the bottom of the modem. An http link is provided. It should look something like "http://192...."
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Open the web browser on your computer and type the http address into the URL bar. Press "Enter" and the modem information and features appear on the page.
Adjust any setting you want. If you are asked for a default name and password, it is "admin" for both. After you have finished changing your settings, click "Save" at the bottom of the page to keep the changes.