I use a Netgear dm111p Modem to connect to DataOne.
If you had been given a CD, then avoid using it as it takes time......
To configure your modem, open you Web Browser and enter 192.168.0.1 and Username: admin, Password: password
Click on ADSL settings and enter the information as given below:
*img248.imageshack.us/img248/9881/dm111pconfigyr0.jpg
Note: Don't forget to enter your DataOne Username & Password.......