Please verify all settings with your ISP. You will need the correct VPI and VCI values. Please also verify if they require the use of a Service Name. Check to see if the require a specific MTU value as well. When you have gathered this information do the following to apply them to the TEW-718BRM.
Log into the TEW-718BRM by going to https://192.168.10.1
The default username and password are both admin.
Navigate to the Setup> Internet Setup page. Enter in the settings supplied by your ISP then click Apply to save the settings.