distances, copper telephone networks built in the 20th century are being replaced by fiber. The carrier equipment for FTTx is often housed in a "fiber hut", point of presence or central office.

FTTX is a generalization for several configurations of fiber deployment, arranged into two groups: FTTP/FTTH/FTTB (fiber laid all the way to the premises/home/building) and FTTC/N (fiber laid to the cabinet/node, with copper wires completing the connection).

Residential

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