Hi guys i am on bt infinity2 with fttb and im changing the bt hub3 to a 5b ,this allows me to do away with the white openreach box. Both hubs have a red bt infinity plug which connected the openreach to the hub3/5 . Am i right in thinking that the hub 5 has a built in adsl setup and the red plug that went to the openreach box from the hub is not needed and i just plug into the adsl line rj45 i think with no loss of speed ?