TEMPO FI-100 Fiber Identifier – Live Fiber Detector for Singlemode & Multimode Optical CablesThe TEMPO FI 100 Fiber Identifier is a professional, non intrusive testing tool designed to detect live optical fibers without disconnecting them. It supports both singlemode and multimode fibers and allows technicians to identify active signals, signal direction, and relative power levels. Brand TEMPO Model FI 100 Product Type Fiber Identifier Fiber Type Singlemode & Multimode Supported Wavelength Range 800 1700 nm Identified Signal Types 270 Hz, 330