• Diagnostic tool for MOST optical systems that allows removing or adding equipment without affecting the vehicle network. • Includes one male fiber optic loop adapter and one female fiber optic loop adapter. • Made of high-quality materials, durable and reliable for long-term use. • Ideal for diagnosing faults in navigation, audio, and CD systems by bypassing modules. • Compatible with vehicle brands such as Benz, Audi, Mercedes, BMW, VW, and Porsche. • Allows closing the fiber optic ring and bridging unnecessary equipment to maintain system integrity.