In practice, a fiber network has no limitations in transmission distance, and therefore, no connection rooms, switches and panels are needed on every floor or every building. The Fiber Optic Association, Inc. (FOA) was founded in 1995 to help develop the workforce to build the fiber optic networks to support a rapid expansion in communications and the Internet. Concrete that is poured too wet will be weak, regardless of how it is cured One other obvious consideration is the width of the trench, which of. Fiber optic network design refers to the specialized processes leading to a successful installation and operation of a fiber optic network. You should pull on the fiber cable strength members only! Never exceed the maximum pulling load rating. On long runs, use proper lubricants and make sure they are compatible with the cable jacket.