Telephone Principles and Maintenance

Author: Chen Zhenyuan
Publisher:
Publish Date: 2007-01-01
Features: "Telephone Principles and Maintenance (Telecommunications Technology Major)" first introduces the basic knowledge of telephones, explaining the working principles, fault diagnosis, and quality inspection methods of dialing circuits, conversation circuits, ringing circuits, and telephone auxiliary circuits. On this basis, it provides a comprehensive analysis of the working principles and faults of typical telephone circuit systems. The book focuses on reflecting the current development of telecommunications technology, timely introducing the basic structures and working principles of caller ID telephones, cordless telephones, digital recording telephones, and video telephones. It can serve as a textbook for secondary vocational schools in telecommunications technology, electronic information, and related majors, as well as for various training programs or personnel engaged in telephone production and maintenance. This book is a supplementary textbook for the CCTV "Telephone Principles and Maintenance Television Lecture." It first introduces the structure, functions, common components, and integrated circuits of telephones. Then, it provides a systematic and comprehensive analysis of the circuits of key telephone systems. On this foundation, it offers detailed introductions to fault diagnosis, analysis methods, and maintenance techniques for key telephone systems. Finally, it covers the use methods and relevant standards of telephones. This book is suitable for telephone maintenance personnel and telecom equipment maintenance staff; it can also be referenced by telecom engineering technicians.