15 Pcs Single Mode 9/125um LC/UPC Fiber Optic Loopback Adapter Tester - Standard Duplex LC Loopback Connector Test Plug - SM Loop Back Device Tool for Fiber Troubleshooting Optical Cable Testing

15 Pcs Single Mode 9/125um LC/UPC Fiber Optic Loopback Adapter Tester - Standard Duplex LC Loopback Connector Test Plug - SM Loop Back Device Tool for Fiber Troubleshooting Optical Cable Testing

• 【Package Included】15 Pcs small and handy LC loopback connector. Convenient for testing multiple fiber runs simultaneously or as a backup. They accurately detect link anomalies and ensure stable fiber data transmission. If you're performing any type of fiber testing, these loopback devices are a highly effective addition to your fiber optic tool kit.
• 【Excellent Optical Performance】LC loopback single mode uses high quality grade A ceramic core. This LC loop back has high precision, low insertion loss, high return loss, good compatibility, good interchangeability, high repeatability and strong stability. It can be reused up to 1000 times.
• 【Wide Application】This LC loopback plug is compatible with OS1 and OS2 singlemode 9/125um fiber. It is used to troubleshoot fiber connections between network devices. Widely used in various testing scenarios, including modules, fiber optic transceivers, media converters, fiber optic sensors, data centers, fiber optic CATV, FTTX testing, patch panel applications, fiber optic communication systems, and fiber optic test equipment, meeting a variety of fiber optic cable network testing needs.
• 【Functional & Simple to Use】This LC loopback SM quickly verifies the operation of SFP/SFP+ modules and confirms the end-to-end connection between device ports and fiber cables. It can also be installed on long-distance fiber links for OTDR testing or paired with a coupler and using a visual fault locator (VFL) or optical power meter (OPM) to effectively ensure fiber continuity on duplex LC cables.
• 【One-year Warranty】We always put our customers first place and aim to provide good service! If you are unsatisfied with our LC loopback fiber for any reason, please feel free to contact us, and then we will try our best to solve your problem.