Telephone Principles, Installation and Maintenance

Author: Wang Jin, Editor-in-Chief
Publisher:
Publish Date: 2005-01-01
Features: This book is a specialized course for communication technology majors in electronic information, aiming to cultivate high-quality laborers and junior to intermediate skilled talents capable of engaging in installation, adjustment, production, maintenance services, and technical management in communication equipment. The book covers the following content: general knowledge of telephones, the basic principles of telephone communication, the use, classification, and naming methods of telephones, the structural composition of telephones, performance indicators, the functions and fault diagnosis of each component, the basic working principles of dual-tone multi-frequency (DTMF) and audio/pulse compatible dialing circuits, calling circuits, ringing circuits, and auxiliary circuits, as well as the analysis of telephone circuit diagrams and common fault repair methods.
In addition, the book provides theoretical knowledge and practical training test questions for the Radio Installation and Adjustment Technician ( and ) based on the National Vocational Skill Standards, combined with fundamental telephone knowledge. This helps students pass exams and advance to higher skill levels, obtaining vocational skill certification. As a textbook for secondary vocational schools specializing in electronic information and communication technology, it is also suitable for radio installation and adjustment professionals seeking skill advancement, as well as for self-study reference and vocational qualification training materials for students in higher vocational colleges.