Buyers typically pay for fiber optic cable by length, fiber type, and installation complexity. But is it always the right time to upgrade? This fiber optic cable selection guide helps you decide whether now is the right time to buy fiber optic. Fiber-optic cable materials typically cost $1 to $6 per linear foot, depending on fiber count and cable type. Commercial building installations with 100-200 network drops generally range from $15,000 to $30,000. multimode, network speed and distance needs, cable jackets/fire ratings, connectors, cost and future‑proofing for data and telecom networks. It consists of one or more optical fibers (usually made of high-purity glass or plastic), which are encased in multiple layers of protective material to prevent physical damage and environmental.