The FOA Reference Guide to Fiber Optics is a concise overview of fiber optic technology for the designer， installer and user of fiber optic networks。 It covers basic technology， components， installation and testing in a manner understandable to everyone。 The book was written with training classes for fiber optic installers or self-study in mind。 The FOA has designated this book as the official reference for FOA CFOT Certification。 The FOA Online Reference Guide （） offers self-study guides for using this book and the website and additional materials covering fiber optic topics in greater depth。