An enterprise is deploying a new set of network links that will connect data centers located approximately 15 kilometers apart. The project requirements specify that the fiber optic cable used must efficiently support high-speed data transmission over these long distances with minimal signal loss. Which type of fiber optic cable should the technician select to meet these specifications?
For connections spanning 15 kilometers, single mode fiber is the most suitable option. It is specifically designed for long distances as it uses a smaller core diameter that allows light to travel in a direct path, minimizing signal loss and delay. While multimode fiber could potentially be considered for shorter distances due to its ability to transmit data at high speeds, its larger core size leads to higher modal dispersion, making it less effective over long distances. The other options are copper-based cables, such as Cat 5e and STP, which are limited to a maximum length of 100 meters and are therefore unsuitable for a 15-kilometer link.
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Why is single mode fiber better suited for long distances compared to multimode fiber?
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What exactly is modal dispersion, and how does it affect data transmission?
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How far can copper-based cables like Cat 5e or shielded twisted pair effectively transmit data?