An ADSL modem/router I used back in the day. One of the very few that could operate in half-bridge mode, extending my public IP address to my edge router. : r/techsupportmacgyver
Configure your DSL router with PPPoE
Bridging a Westel DSL Modem including models a90, b90, and c90 with screenshots.
How to configure TP-Link Wi-Fi router to work with a DSL modem(new designed blue UI)