About Fibre Identifiers
Increase reliability, avoid network downtime, and complete the job faster with optical fiber identifiers from VIAVI.

Viavi FI-10/-11 Optical Fiber Identifiers
Identifies optical fibers being transmitted through a single-mode fiber.
The FI-10 and FI-11 Optical Fiber Identifier are rugged, handheld, easy-to-use installation and maintenance instruments that identify optical fibers by detecting the optical signals being transmitted through a single-mode fiber.