... “thumb-sized” fiber cable in the same ducts that currently accommodate a “forearm sized” copper cable is not an issue. Therefore, from the CO to the physical cross connect points in the existing ... directions before branching out. Therefore, each route would typically cover about 12-18 cabinets.However, using the ducts is still more cost effective than building rings. For example, a ... risk outages and revenue loss during the operational life of the network. Practical considerations in the European market for building and future-proofing robust, flexible FTTN infrastructuresPage...