Fiber optic cable can be run anywhere from 300 meters up to 80 kilometers (roughly 50 miles) depending on the cable type, transceiver used, and network standard. This guide dives deep into the maximum length constraints of the three most common network cables—Ethernet, coaxial, and fiber optic—explaining why these limits exist, how they vary by cable type, and how to extend them when needed. By the end, you'll have the knowledge to choose the right cable. Many factors decide the fiber cable distance, but the key factors include the below six aspects. Attenuation First is the attenuation of the optical fiber. However, fiber optic cable performance. With fiber patch cables available in both standard and custom lengths, choosing the right length helps improve installation efficiency, network reliability, and future scalability.
[PDF Version]