How Far Can a Fiber Optic Cable Be Run? Distance Guide
Fiber optic cables can run up to 80 km without a repeater. Learn exact limits by cable type, application, and how to extend your network.
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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. For most enterprise or data center applications using multimode fiber, the practical limit sits between 300 m and 550 m. Fiber optic cable transmission distance is determined by two primary physical factors that affect signal quality as light travels through the fiber medium. Many factors decide the fiber cable distance, but the key factors include the below six aspects.