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Question:

What advantages does optical fiber communication have compared with common cable communication?

What advantages does optical fiber communication have compared with common cable communication?

Answer:

The optical fiber is small in size, light in weight, easy to lay and transport; (5) material sources are rich, environmental protection is good, and it is beneficial to save non-ferrous metal copper. (6) radiation free and difficult to eavesdrop, because the light wave transmitted by the optical fiber can not run out of the optical fiber. (7) fiber optic cable has strong adaptability and long service life.
(1) the communication capacity is large and the transmission distance is far; the potential bandwidth of an optical fiber is up to 20THz. With this bandwidth, it takes only one second or so to transfer all the text of human beings at all times and in all countries. Currently, the 400Gbit/s system has been commercially available. The loss of the fiber is very low, and the optical fiber loss can be below 0.2dB/km at the wavelength of 1.55 m, which is lower than that of any transmission medium at present. As a result, no relay can reach tens of miles or even hundreds of kilometers. (2) small signal crosstalk and good security; (3) anti electromagnetic interference and good transmission quality; electrical communication can not solve all kinds of electromagnetic interference problems; only fiber communication is free from all kinds of electromagnetic interference.
Compared with common cable communication, optical fiber communication has the biggest advantage that the optical fiber can transmit more bandwidth, and the optical fiber can transmit farther distance without any relay.From the resource side, the use of fiber can save metal resources.

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