The book "Investigation of the main characteristics of the optical linear terminal (2x16): laboratory workshop on the disciplines of "Fiber-optical systems" by Govtiv B. N. is a unique manual that will become an indispensable assistant for students, graduate students and specialists interested in modern technologies in the field of communications and optics. With the rapid development of information technology and an increase in data transmission, knowledge about fiber-optic systems is becoming especially relevant, and this book offers readers a deep dive into the topic. In this paper, the author examines in detail the main characteristics of the optical linear terminal, which is a key element in data transmission systems. The book includes both theoretical aspects and practical tasks that allow readers not only to assimilate the material, but also to apply it in practice. Governments B. N. offers readers unique laboratory workshops that will help to master the methods of research and analysis of optical systems. This makes the book especially valuable for those who want not only to learn theory, but also to gain practical skills that will be useful in their future professional activities. The book will be of interest to students of technical universities studying in specialties in the field of communications, computer science and electronics .. It will also be suitable for telecommunications professionals, engineers and researchers seeking to expand their knowledge of fiber-optic technologies. Readers interested in modern advances in data transmission and new methods of analysis will find a lot of useful information in this book. The topics raised in the book cover a wide range of issues related to the design and operation of fiber optic systems. Governments B. N. focuses on the importance of high-quality signal transmission, analyzes the impact of various factors on the characteristics of optical terminals and offers methods for optimizing their operation The book also addresses the issues of reliability and stability of systems, which is an important aspect for professionals working in high load conditions and requiring a high degree of reliability. The author's style is characterized by accessibility and clarity of presentation, which allows readers to easily assimilate even complex technical concepts. Governments B. N. He is known for his work in fiber optics and telecommunications technology, and his experience is reflected in every page of this book. He skillfully combines theory with practice, which makes his manual not only informative, but also fascinating to read. If you are looking for a book that will help you understand the intricacies of the optical linear terminals and give you the opportunity to apply the knowledge gained in practice, “Study of the main characteristics of the optical linear terminal (2x16)” will be an excellent choice. This work will not only expand your horizons in the field of fiber optic systems, but will also prepare you for a successful career in one of the most dynamically developing areas of technology. Do not miss the opportunity to immerse yourself in the world of optics and communication with this fascinating and useful guide!