DC Remote and AC Local Power Feeding of xDSL Networks A real-world deployment experience

Access networks require more and more active equipment to be deployed close to the subscriber, i.e. in locations where no power was available so far. The paper discusses two possible powering solutions, namely DC remote power feeding and local power feeding, weighing their respective advantages from both the technical and economical points of view. The discussion is based on a real-world deployment experience by Belgacom, the Belgian incumbent wireline operator