Why are strength members important in fiber-optic cable?

Strength members in fiber-optic cable are crucial because they provide structural support to the cable. These strength members, which can be made from materials such as aramid fibers or steel, are designed to absorb stresses that the cable might encounter during installation and throughout its lifecycle. This structural integrity ensures that the fiber-optic strands within the cable do not undergo damaging strains or breakage that could lead to signal loss or failure.

While strength members do indirectly contribute to the effectiveness and reliability of the fiber-optic system by keeping the delicate fibers intact, their primary role is centered around providing physical support. This prevents issues during handling, installation, and environmental influences, allowing the cable to maintain proper function over time. The other options, while related to overall performance, do not capture the main purpose of strength members in the context of fiber-optic cables.