Definitions for "Dark Fiber"
Keywords:  unlit, unused, optic, deployed, fiber
A fiber optic line without terminal equipment provided by the telephone company, and without switching.
Fiber optic wiring that has been installed but has not been turned on yet. Often, companies that lay fiber optic cabling will lay extra cable, since the...
A Verizon Wholesale solution offered to customers that provides an unlit, continuous fiber optic strand within an existing, in-place Verizon fiber optic cable sheath without fiber optic transmission equipment or intermediate repeaters. Learn more.