Maximum Optical Cable
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The distance an optical cable can cover largely depends on whether it is a single-mode fiber (SMF) or a multi-mode fiber (MMF). Max Length: Up to 100 kilometers (62 miles) or more without needing signal boosters or amplifiers. In all cases, the medium (copper wires or glass fibers) introduces signal degradation over distance. Attenuation is the weakening of light as it comes in from the transmitting end of the fiber and out of the transmitting end. The maximum reach of a fiber optic cable is not a property of the cable alone — it is the result of a balance between the link attenuation and sensitivity of active equipment A single OS2 cable can carry 1 Gbps over 100 km with suitable modules, or only 10 Gbps over 10 km with standard modules. Using advanced technologies like wavelength-division multiplexing (WDM), multiple light signals travel through the same strand, each on a different wavelength.