Attenuation makes signals weaker in fiber optic cables. Check your optical transceiver's specs often. Clean connectors. In the world of high-speed fiber optic communication, optical receivers are vital for converting light signals back into electrical signals for further processing. Because the technology is reliable and supports long distances with higher speeds than other connections, fiber optics have revolutionized the telecommunications industry. The advantage of. Fiber optic troubleshooting is an essential skill for network administrators, technicians, and engineers responsible for maintaining and repairing fiber optic systems.