Training. Technical assistance . - M. Radio and Communication, 1988. — 144 C. The principles of propagation of light signals through fiber-optic light lines and their transmission characteristics; methods of designing optical communication cables (Ox); optical and mechanical characteristics of Ox and methods of their measurement. Issues of design, construction and operation of fiber-optic communication lines are considered. For students of technical schools of communication, studying but specialties "Linear communication facilities" and "Linear-cable communication facilities" .