You can make WiFi with your own ball baton ads12 router modem by bridging the modem/router to work as a modem only. You then configure the D-Link's WAN for your connection.
how do we configure the Internet connection if the Motorola is connected to a psp3?
Yes, Dsi has built in wifi. You need to configure it to your existing modem.
Automatic
you can not configure the modem and wireless security Jaeks
It should be as simple as plugging the ethernet cable from the modem into the computer. Ubuntu is generally smart enough to figure out how to configure the connection.
http://wiki.answers.com/Q/How_I_Can_configure_telenet_tndsl_2120_Adsl2_Router_modem_to_connect_bsnl_broadband_service"
Notify me but don't automatically download or install them
You need to get a connection which is going to connect you to the internet with a modem and then configure your computer accordingly.There are many Internet Service Providers like Airtel and others.
Usually modems do not require any configuration. But your router has to configures to get external IP from a DHCP server or whatever your internet provider is using.
This is error display system , when you modem is not install or configure properly
It can only be suggested that one finds a good tutorial online which explains how to do this such as that provided by IBM developerWorks. It is not possible to explain in a short answer.