Fiber-optic cable
• Fiber-optic cable which contains glass fibers
surrounded by a layer of glass cladding and a
protective outer jacket, is used to carry voice, video,
and data transmission over long distances.
• Because of its capacity and reliability, fiber-optic
cable is a popular transmission medium for highspeed
long-distance transmission.
• Fiber-optic cable is too expensive to be used as a
transmission medium for a small LAN, it is the
transmission medium of choice for MANs and WANs.