Pass the FOI exam with a strong foundation in fiber optic technology
Fiber Optics Installer (FOI) Certification Exam Guide gives you a solid foundation in fiber optics and thorough preparation for the Fiber Optics Installer (FOI) certification. Endorsed by the Electronics Technicians Association, International, this guide serves as both a comprehensive self-study course and a useful desk reference for aspiring fiber optics installers. Coverage includes the basic principles of light, optical fiber construction, safety, fusion, mechanical splicing, connectors, fiber-optic light sources, transmitters, detectors, test equipment, and more. Each chapter meets or exceeds the ETA FOI knowledge competency, with key exam information highlighted for easy reference. Real-world scenarios illustrate how particular solutions are applied in common working environments, giving you a clear understanding of to use the tactics in the field. Chapter exercises and review questions offer plenty of opportunity for practice.
This book helps you prepare for certification, and more importantly, the everyday work the job entails.
* Determine how much you already know with a pre-study assessment
* Find key exam information and terms quickly with chapter-by-chapter objectives
* Study real-world scenarios to understand how concepts are applied
* Pinpoint weak areas with practice and review questions that test your knowledge
If you are seeking a strong knowledge base -- and complete exam prep -- you will find Fiber Optics Installer (FOI) Certification Exam Guide to be a critically useful reference.
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978-1-119-01150-7 (9781119011507)
Schweitzer Klassifikation
Bill Woodward has served four terms as chairman of the Electronics Technicians Association, International and is a principal electrical engineer based in Chesapeake, VA. He is also the committee chairman of the ETA fiber optic installer (FOI), fiber optic technician (FOT), and fiber optic designer (FOD) certification programs.
Introduction xxvii
Assessment Test xxxii
Chapter 1 History of Fiber Optics and Broadband Access 1
Evolution of Light in Communication 2
Evolution of Optical Fiber Manufacturing Technology 4
Evolution of Optical Fiber Integration and Application 7
Broadband since the Turn of the Century 8
Summary 10
Exam Essentials 11
Review Questions 12
Chapter Exercises 13
Chapter 2 Principles of Fiber-Optic Transmission 15
The Fiber-Optic Link 16
Decibels (dB) 19
Absolute Power 25
Summary 28
Exam Essentials 28
Review Questions 29
Chapter Exercises 31
Chapter 3 Basic Principles of Light 33
Light as Electromagnetic Energy 34
The Electromagnetic Spectrum 38
Refraction 41
Total Internal Reflection 45
Fresnel Reflections 48
Summary 49
Exam Essentials 50
Review Questions 51
Chapter Exercises 54
Chapter 4 Optical Fiber Construction and Theory 57
Optical Fiber Components 58
Tensile Strength 65
Manufacturing Optical Fiber 65
Mode 69
Refractive Index Profiles 71
Summary 75
Exam Essentials 76
Review Questions 77
Chapter Exercises 80
Chapter 5 Optical Fiber Characteristics 83
It All Adds Up 85
Dispersion 86
Attenuation 95
Bending Losses 98
Numerical Aperture 102
Equilibrium Mode Distribution 104
Fiber Specifications and Standards 105
Summary 118
Exam Essentials 118
Review Questions 119
Chapter Exercises 123
Chapter 6 Safety 127
Basic Safety 128
Light Sources 130
Handling Fiber 137
Chemicals 139
Site Safety 141
Emergencies 143
Summary 144
Exam Essentials 144
Review Questions 146
Chapter Exercises 148
Chapter 7 Fiber-Optic Cables 149
Basic Cable 151
Cable Components 153
Cable Types 161
Cable Duty Specifications 171
Cable Termination Methods 172
Blown Fiber 174
NEC Provisions for Fiber-Optic Cables and Raceways 174
Cable Markings and Codes 178
Bend Radius Specifications 183
Summary 183
Exam Essentials 183
Review Questions 185
Chapter Exercises 189
Chapter 8 Splicing 193
Why Splice? 194
Splicing Safety 203
Splicing Equipment 208
Splicing Procedures 220
Splice Performance Requirements 236
Summary 238
Exam Essentials 238
Review Questions 239
Chapter Exercises 241
Chapter 9 Connectors 243
The Fiber-Optic Connector 245
Connection Performance 253
Connector Types 267
Connector Termination 281
Cleaning and Inspection 305
Summary 326
Exam Essentials 326
Review Questions 328
Chapter Exercises 332
Chapter 10 Fiber-Optic Light Sources and Transmitters 335
Semiconductor Light Sources 336
Light Source Performance Characteristics 339
Transmitter Performance Characteristics 348
Higher Power Transmitters 362
Light Source Safety 363
Summary 364
Exam Essentials 365
Review Questions 366
Chapter Exercises 369
Chapter 11 Fiber-Optic Detectors and Receivers 373
Photodiode Fundamentals 374
Other Types of Photodiode 375
Photodiode Responsivity, Efficiency, and Speed 377
Fiber-Optic Receiver 378
Receiver Optical Performance Characteristics 381
Optical Attenuators 381
Summary 383
Exam Essentials 383
Review Questions 384
Chapter Exercises 385
Chapter 12 Cable Installation and Hardware 387
Installation Specifications 389
Installation Hardware 395
Installation Methods 404
Fire Resistance Bonding and Grounding 412
Hardware Management 415
Labeling Requirements and Documentation 417
Polarity 421
Electrical Codes 424
Summary 425
Exam Essentials 426
Review Questions 427
Chapter Exercises 430
Chapter 13 Fiber-Optic System Advantages 433
The Advantages of Optical Fiber over Copper 434
Summary 446
Exam Essentials 446
Review Questions 448
Chapter Exercises 449
Chapter 14 Test Equipment and Link/Cable Testing 453
Calibration Requirements 454
Continuity Tester 455
Visual Fault Locator 459
Fiber Identifier 463
Inline Optical Power Monitoring 466
Optical Return Loss Test Set 469
Stabilized Light Source and Optical Power Meter 470
Patch Cord 475
Test Jumper 475
Launch Conditions, Mode Filters, and Encircled Flux 477
ANSI/TIA-526-14 Optical Loss Measurement Methods 480
Patch Cord Optical Power Loss Measurement 485
Connector Insertion Loss Measurement 486
Link Segment and Cabling Subsystem Performance Measurements 487
Tier 1 Testing 488
Tier 2 Testing 489
Optical Time-Domain Reflectometer 490
Emerging Testing Standards 511
Summary 512
Exam Essentials 512
Review Questions 514
Chapter Exercises 515
Appendix Answers to Review Questions 519
Glossary 535
Index 569
