D-Link DSL-200 - 8 Mbps DSL Modem User Manual page 32

The " Communication Settings" window will be displayed. Make the necessary changes to
the VPI, VCI, Encapsulation type and/or Modulation type and click Next.
The new settings will be applied after restarting the computer. If you want to restart now
click Close. If you do not want to restart now select the " No, I will restart my computer
later." option and then click Close.