What does the term “strength member” refer to in a fiber optic cable?

The term "strength member" in a fiber optic cable refers to a component that provides mechanical support. Fiber optic cables are delicate and can be easily damaged if not properly protected. The strength member serves as an internal support that helps the cable withstand tension, bending, and environmental factors without risking damage to the optical fibers that carry the signals. This support is critical for maintaining the integrity of the cable during installation and throughout its usage, ensuring that the fibers remain undamaged and capable of transmitting light signals effectively.

The other options relate to different aspects of fiber optic cables or their functionality but do not accurately define what a strength member is. For instance, enhancing signal strength pertains to factors related to the transmission quality rather than structural support, while assistance in signal modulation and crosstalk reduction address signal integrity and interference, respectively. However, these functions are separate from the mechanical role that a strength member plays within the cable.