Belkin F7D11401v1 does not show up on Belkin webpages, other than three Italian pages.
But there is a F7D1401_v1
In your web browser type http://router into the URL address bar
If that does not work try http://192.168.2.1
And then you need to goto
I think, cannot be sure as there is very little useful documentation that I could find on the router.