Fiber Optic Cable uses electrical signals to transmit data. It uses light. In fiber optic cable light only moves in one direction for two way communication to take place a second connection must be made between the two devices. It is actually two stands of cable. Each stand is responsible for one direction of communication. A laser at one device sends pulse of light through this cable to other device. These pulses translated into “1’s” and “0’s” at the other end.
In the center of fiber cable is a glass stand or core. The light from the laser moves through this glass to the other device around the internal core is a reflective material known as CLADDING. No light escapes the glass core because of this reflective cladding.
Fiber optic cable has bandwidth more than 2 gbps (Gigabytes per Second)
Characteristics Of Fiber Optic Cable:
- Expensive
- Very hard to install
- Capable of extremely high speed
- Extremely low attenuation
- No EMI interference
Advantages Of Fiber Optic Cable:
- Fast
- Low attenuation
- No EMI interference
Disadvantages Fiber Optics:
- Very costly
- Hard to install
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