You don't need those links; most of which are useless.
You can get to the usual ADSL Settings on the normal Web GUI pages.
@OP: Yes, Brightbox is a normal type of router. It is not locked to Orange, just the look-and-feel is tailored for Orange, and can be used on any ISP's ADSL connection.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 19 Meg WBC