Fiber optic cable assemblies consist of strands of glass or plastic fibers enclosed in a protective jacket for high-speed data transmission. These cables leverage total internal reflection principles, where light signals pass through the core, bouncing off the cladding. The core's small diameter enables rapid transmission, immune to electromagnetic interference. Assemblies include connectors on each end, ensuring seamless integration with network devices. Single-mode and multimode variants cater to specific bandwidth and distance requirements. Designed for low signal loss and high data transfer rates, fiber optic cable assemblies play a crucial role in telecommunications, networking, and data center applications, offering reliability and efficiency.