Understand how to choose fiber optic cable by comparing single‑mode vs. multimode, network speed and distance needs, cable jackets/fire ratings, connectors, cost and future‑proofing for data and telecom networks. When choosing a network cable to connect a router, you should consider its type and technical specifications. Single-mode fiber provides a data transmission speed of. This guide breaks down the most common and specialized fiber optic cable types, helping you identify the best fit for your installation environment, bandwidth requirements, and safety regulations.