reply to makkaoui
Your question was answered ...The building is fed by fibre from the CO to an HFC node in your building.The units in the building are fed by coax to a Motorola box which acts as a modem and telephone and TV splitter.The outputs of the box look like normal TV coax, internet RJ45 and telephone RJ11 cables.
He not on the VDSL platform if he lives in Trenton, he has a large dish on the building's roof