Fiber Optic Reference Charts

Professional-grade charts built for fiber technicians. Browse free online, build a custom PDF instantly with the Chart Builder, or order a large-format printed copy shipped to your door. All printed charts are produced on heavy card stock with dry erase laminate, built to live in the field. Custom printed orders with your business logo and contact information are available on request.

Available Charts

All charts are the intellectual property of Johnstone Technical Services. Free online viewing is provided for community reference only. Reproduction, redistribution, printing, or resale without purchase is strictly prohibited.