IT belongs to the Transmission media (Transparent media) it carries either data or audio/video files also.
These are fairly used in light i.e it carries also light waves.
By using Fiber Optics, we can achieve 100Gbps.
SONET
Fiber optic cables
Different fiber optic tools are used for different sized fiber optic cable maintenance. There are several different fiber optic tools, for example, there is the splicing fiber optic tool, test fiber optic tool, and cleaning fiber optic tool. The benefit of buying the same tool in different sizes may come in handy sometimes.
Fiber optic cable
Fiber Optic Cable
Fiber Optic Cabling Does not get affected by EMI (Electromagnetic Interference) but its expensive
The same people who supply the Optic Fibre should also have the convertor
A switch or device that converts fiber optic to cat5 cable. Search Google for "fiber-optic to cat5" Many commercial switches also have a fiber optic port also that transitions from fiber-optic to cat5 cabling. Also search ebay for "10/100 Fiber Media Converter". Found several listed there for $100 or less, single and multi.
Multimode fiber (MMF.
Fiber-optic
The three types of network media are: Twisted-pair copper cable, fiber-optic cable, and coaxial cable.