The FTB Lite 975 provides bidirectional Tier-1 OLTS measurements (ORL, IL, length, and polarity) and also offers OTDR capabilities (upcoming). FTB Lite 975 makes it easy to test and certify all fiber-optic cables and connector types, from simplex and duplex to multi-fiber (base. The only fully automated, always-connected solution natively combining bidirectional OLTS and OTDR-ready capabilities on one compact device. Supports simplex, duplex and multi-fiber connectors up to 24 fibers. End-to-end automation from one-touch referencing, touchless testing through reporting to. Fiber optic cable is a type of cabling that contains one or more optical fibers for transmitting data at high speeds and/or over long distances using light. These fibers are most commonly made of glass and are very thin, typically less than a tenth of the width of a human hair. Fiber optic cable. Fluke Networks has a wide range of Fiber Optic testing products to help certify that power losses are within standards and to troubleshoot broken and high loss links on single-mode and multimode fiber all with ease-of-use, accuracy, and durability. Get pass/fail results in seconds. This category includes OLTS certifiers, OTDRs, optical power meters, light sources, and visual fault locators. The tools that allow you to perform a comprehensive assessment on a fibre optic cable are fibre light sources, optical power meters and fibre optic. AFL's Test & Inspection suite offers technicians rugged, easy-to-use tools for inspecting fiber endfaces, identifying faults, measuring optical loss, and managing test workflows.