Engineered for precision in fiber optics testing, the AFL FR-SMF-500-ASC-ULC OTDR Fiber Ring operates effectively as both an OTDR launch cable and a receive cable, allowing for accurate measurement of insertion loss and reflectance at both near and far-end connections. This single-mode fiber cable, measuring 500 meters in length, is designed with versatility in mind, featuring a robust and lightweight construction that allows it to easily fit within standard OTDR cases or kits. Equipped with a variety of connector styles, including SC/APC and LC/UPC options, this fiber ring is a dependable solution for professionals seeking reliable connectivity in their testing and splicing applications. The FR-SMF series is available in multiple lengths, making it an adaptable choice for diverse project requirements.