A distribution point unit using discrete multi-tone technology, the distribution point unit being configured for connection to a wired shared medium associated with an available spectrum, the wired shared medium connecting the distribution point unit with a plurality of users, the distribution point unit including an assigning unit configured for assigning a first portion of the available spectrum to a first user of the plurality of users and a second portion of the available spectrum to a second user of the plurality of users; a sending and receiving unit configured for encoding and decoding digital data, using discrete multi-tone technology, and configured for sending and receiving encoded digital data over the assigned first portion to/from the first user and over the assigned second portion to/from the second user.