Try
www.adslayuda.com - it has a specific page for the settings you are looking for
here
But in brief it's PPPoE, VPI/VCI = 8/32, Encapsulation = LLC/SNAP and then your logon details.
hth
Charles
ps. good piece of kit though - have installed 3-4 times so far, including my Dad's and he hasn't manahed to break it yet, which is a good sign