You will need to connect a computer via an Ethernet cable to one of the Yellow LAN ports of the TP-LINK  R402M

In this example we are using a Wired TL-R402M but most will be similar

Please see the article reconfiguring your TL-R460 if your IP addresses don't match

 

Once the computer is connected to the TP-LINK, the router will give the computer an IP address

Open your Web Browser & in the address line type in 192.168.1.1 & hit enter
your will get a log in screen

The username is probably admin

& the password is probably admin

Please see the article reconfiguring your TL-R460 if your login details don't match

access router & login

NOTE - Don't type 192.168.1.1 in the search box, type it into the address line at the top left of your web browser

You will then get the status screen

Click on Network on the Left & select PPPoE from Connection Type

network and connection type

 

Then enter your username details & click save

username and password

 

 

Then wait for it to reboot

reboot

 

 

Then all you need to do is swap the UNID cable to the adjacent port