Fiber optics is the best transmission medium for medium and low-voltage applications because it is robust and notsusceptible to electromagnetic disturbances or capacityconstraints. That‘s why grid operators who choose this technology will be well prepared when their communications needs multiply in the future.
Fiber-optic cables are laid underground to connect individual substations. This work is associated with heavy civil works, and therefore with great expense. However, when new power cables are installed the cost-benefit analysis paints a clear picture. Fiber-optic cables should generally be the first choice in this case.
At the core of a variety of communications systems, from passive optical networks (PON) to Ethernet and SDH
Durable, insusceptible to electromagnetic disturbances
Practically unlimited transmission capacity
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