By utilizing local detection technology (non-destructive macro-bend detection which does not damage or overstress the fiber), this unit is ideal for use during routine maintenance and line modification, and can be used to locate a particular fiber line, non-obtrusively identify live. By utilizing local detection technology (non-destructive macro-bend detection which does not damage or overstress the fiber), this unit is ideal for use during routine maintenance and line modification, and can be used to locate a particular fiber line, non-obtrusively identify live. The Wilcom Model F6121R Ribbon Fiber Identifier is a lightweight, rugged, easy-to-use installation and maintenance instrument designed for fast, accurate identification and traffic testing of optical signals without cutting the fiber cable or interrupting service. By utilizing local detection. The PPC Fiber Markers and Special Service Caps attach to a 2mm or 3mm fiber patch cord to identify and organize fiber routing for customer-specific applications. Marker Ball Marker Balls are ideal for marking fiber cable in high-voltage environments. When excited by any standard marker locator, the marker ball produces a 5-foot spherical RF. The Multilink cable markers utilize a simple and quick installation that allows the installer to simply wrap the marker around the selected cable without the need for special tools or adhesives. The structure of the skeleton type optical fiber ribbon cabling. One of our most durable and versatile cable markers. Fiber Optic be positioned vertically or horizontally. Includes 4 holes for horizontal installation and 2 holes for vertical installation.