Certified Fiber Optics Installer (FOI) Competency Requirements This competency listing is an identification of individual subject topics in which Fiber Optics Installers are expected to obtain knowledge in order to prepare for the FOI certification examination. This includes basic concepts of fiber optics installation and service applicable to all of the functions required to safely and completely install fiber optics communications and transmission cabling. Fiber Optics Installers must be knowledgeable in the following: 1.0 HISTORY OF FIBER OPTICS 1.1 1.2 1.3 2.0 PRINCIPLES OF FIBER OPTIC TRANSMISSION 2.1 2.2 2.3 2.4 2.5 3.0 Describe the basic parts of a fiber optic link Describe the basic operation of a fiber optic transmitter Describe the basic operation of a fiber optic receiver Explain how to express gain and loss using dB Explain how to express optical power in dBm BASIC PRINCIPLES OF LIGHT 3.1 3.2 4.0 Trace the evolution of light in communication Summarize the evolution of optical fiber manufacturing technology Track the evolution of optical fiber integration and application Describe the following: 3.1.1 Light as electromagnetic energy 3.1.2 Light as particles and waves 3.1.3 The electromagnetic spectrum and locate light frequencies within the spectrum in relation to radio and microwave communication frequencies 3.1.4 Define refraction of light 3.1.5 Define Fresnel reflection Explain the following: 3.2.1 How the index of refraction is used to express the speed of light through a transparent medium 3.2.2 Causes of reflection and how they affect system performance 3.2.2.1 Snell’s law and it’s use to calculate the critical angle of incidence 3.2.3 Fresnel reflections and their impact on the performance of a fiber optic communication system OPTICAL FIBER CONSTRUCTION AND THEORY 4.1 4.2 4.3 Describe the following: 4.1.1 The basic parts of an optical fiber 4.1.2 The different materials that can be used to construct an optical fiber 4.1.3 Optical fiber manufacturing techniques 4.1.4 The tensile strength of an optical fiber 4.1.5 A mode in an optical fiber 4.1.6 The three refractive index profiles commonly found in optical fiber Explain the propagation of light through: 4.2.1 Multimode step index optical fiber 4.2.2 Multimode graded index optical fiber 4.2.3 Single-mode step index optical fiber Describe the ANSI/TIA-568-C. recognized: 4.3.1 Multimode optical fibers FOI Competencies 1 © Copyright 2013, ETA®International ® ETA International – Fiber Optics Installer Knowledge Competencies 4.4 4.5 4.6 5.0 OPTICAL FIBER CHARACTERISTICS 5.1 5.2 5.3 5.4 5.5 5.6 6.0 Explain dispersion in an optical fiber 5.1.1 Define modal dispersion and its effects on the bandwidth of an optical fiber 5.1.2 Describe material dispersion and its effects on the bandwidth of an optical fiber 5.1.3 Explain that chromatic dispersion consists of both material dispersion and waveguide dispersion Outline the causes of attenuation in an optical fiber 5.2.1 Compare attenuation versus wavelength in a multimode optical fiber 5.2.2 Compare attenuation versus wavelength in a single-mode optical fiber Explain the numerical aperture of an optical fiber Relate how the number of modes in an optical fiber is defined by core diameter and wavelength 5.4.1 Define cut off wavelength of a single-mode fiber Describe microbends in an optical fiber Explain macrobends in an optical fiber FIBER OPTIC SAFETY 6.1 6.2 6.3 6.4 6.5 7.0 4.3.2 Single-mode optical fibers Describe the characteristics of a single-mode optical fiber: 4.4.1 ITU-T-G.652 4.4.2 ITU-T-G.652D 4.4.3 ITU-T-G.655 non-zero dispersion-shifted Define differences between ISO/IEC 11801 OM1, OM2, OM3 and OM4 fiber designations Cite commercially available: 4.6.1 Plastic Clad Silica (PCS) and Hard Clad Silica (HCS) optical fiber 4.6.2 Plastic Optical Fiber (POF) Explain how to safely handle and dispose of fiber optic cable, optical fiber chips, and debris List the safety classifications of fiber optic light sources Discuss the potential chemical hazards in the fiber optic environment and the purpose of the material safety data sheet (MSDS) Cite potential electrical hazards in the fiber optic installation environment Outline typical workplace hazards in the fiber optic environment FIBER OPTIC CABLES 7.1 7.2 7.3 7.4 7.5 7.6 7.7 Draw a cross section of a fiber optic cable and explain the purposes of each segment Identify why and where loose tube fiber optic cable is used Describe tight buffer fiber optic cable Compare common strength members found in fiber optic cables Name common jacket materials found in fiber optic cables Describe simplex and duplex cordage and explain the difference between cordage and cable Describe the characteristics of the following: 7.7.1 Loose Tube Gel Filled (LTGF) and Loose Tube Gel Free cable 7.7.1.1 Dry water block 7.7.2 Distribution cable 7.7.3 Breakout cable 7.7.4 Armored cable 7.7.5 Figure 8 (Messenger) cable 7.7.6 Ribbon cable 7.7.7 Submarine cable 7.7.8 Composite cable 7.7.8.1 Electrical and Optical FOI Competencies 2 © Copyright 2013, ETA®International ® ETA International – Fiber Optics Installer Knowledge Competencies 7.8 7.9 7.10 7.11 7.12 7.13 7.14 7.15 7.16 7.17 8.0 SPLICING 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 9.0 7.7.9 Hybrid cable Discuss ANSI/TIA-568-C. performance specifications for the optical fiber cables recognized in premises cabling standards to include: 7.8.1 Inside plant cable 7.8.2 Indoor-outdoor cable 7.8.3 Outside plant cable 7.8.4 Drop cable Review how and when a fan-out (furcation) kit is used Identify how and when a breakout kit is used ® List the National Electrical Code (NEC ) optical fiber cable types including: 7.11.1 Abandoned optical fiber cable 7.11.2 Nonconductive optical fiber cable 7.11.3 Composite optical fiber cable 7.11.4 Conductive optical fiber cable ® Describe the NEC listing requirements for: 7.12.1 Optical fiber cables 7.12.2 Optical fiber raceways Outline the ANSI/TIA-598-C color code and cable markings Identify the ISO/IEC 11801 international cabling standard Identify the ANSI/TIA-568-C. minimum bend radius specifications for inside plant, indoor/outdoor, outside plant, and drop cables Cite the ITU-T G.652, G.657 and the Telcordia GR-20-CORE minimum bend radius specification for outside plant fiber optic cables Identify the ANSI/TIA-568-C. maximum tensile load ratings during installation for inside plant, indoor/outdoor, outside plant, and drop cables. Explain the intrinsic factors that affect splice performance Relate the extrinsic factors that affect splice performance Recall the basic parts of a mechanical splicer Discuss how to perform a mechanical splice Explain the operation of a fusion splicer 8.5.1 Describe the different types of fusion splicers Explain how to perform and protect a fusion splice List ANSI/TIA-568-C. inside plant splice performance requirements Cite ANSI/TIA-758-, Telcordia GR-20 and GR-765 outside plant splice performance requirements CONNECTORS 9.1 9.2 9.3 Indicate the basic parts of a fiber optic connector Describe the physical difference and the importance to reflection values for the following connector polishes: 9.2.1 Flat polished endfaces 9.2.2 Physical Contact (PC) polished endfaces 9.2.3 Angled Physical Contact (APC) polished endfaces 9.2.4 Ultra-Physical Contact (UPC) polished endfaces Distinguish between: 9.3.1 ANSI/TIA-568-C. recognized connectors 9.3.2 Small form factor (SFF) connectors 9.3.3 MPO/MTP multi-fiber connectors 9.3.4 An optical fiber pigtail FOI Competencies 3 © Copyright 2013, ETA®International ® ETA International – Fiber Optics Installer Knowledge Competencies 9.4 9.5 9.6 9.7 9.8 9.9 9.10 9.11 9.12 9.13 9.14 9.15 9.16 9.3.5 ANSI/TIA-568-C. multimode and single-mode connector and adapter identification Describe common connector ferrule materials 9.4.1 PC beige colored connectors 9.4.2 APC green colored connectors 9.4.3 UPC blue colored connectors Explain the intrinsic factors that affect connector performance Explain the extrinsic factors that affect connector performance Describe reflectance caused by interconnections Identify the steps involved in an anaerobic epoxy connector termination and polish List the steps involved in an oven cured epoxy connector termination and polish Relate the steps involved in a pre-load epoxy connector termination and polish Describe how to construct a no-polish, no-epoxy connector termination 9.11.1 Mechanical termination spliced on connector Explain how to properly clean a connection Describe how to examine the end-face of a connector per IEC 61300-3-35 and ANSI/TIA-455-57B List the ANSI/TIA-568-C. connector performance requirements List the ITU-T G.671 requirements for single-mode connectors Compare the following fiber connectorization methods: 9.16.1 Field termination 9.16.2 Factory terminated assemblies 10.0 FIBER OPTIC LIGHT SOURCES 10.1 Describe the basic operation and types of LED light sources used in fiber optic communications. 10.1.1 Describe LED performance characteristics 10.1.2 Describe the performance characteristics of a LED transmitter 10.2 Describe the basic operation and types of laser light sources used in fiber optic communication: 10.2.1 Multimode 10.2.2 Single-mode 10.3 Describe laser performance characteristics 10.4 Describe the performance characteristics of a laser transmitter 10.5 Explain the benefit of using a laser light source in fiber optic communication systems 10.6 Identify which fiber type is best used for communications systems with VCSEL light sources 11.0 FIBER OPTIC DETECTORS AND RECEIVERS 11.1 Summarize the basic operation of a photodiode 11.2 Explain why an optical attenuator is occasionally used in a communication system 11.3 Explain sensitivity and responsivity of a receiver 12.0 CABLE INSTALLATION AND HARDWARE 12.1 12.2 12.3 12.4 Cite manufacturer installation cable specifications Explain the static and dynamic loading on a fiber optic cable during installation List commonly used installation hardware Describe these types of installations: 12.4.1 Tray and duct installation 12.4.2 Conduit installation 12.4.3 Direct burial installation 12.4.3.1 Minimum buried depth of drop cable 12.4.4 Aerial installation 12.4.5 Blown fiber installation 12.4.6 Wall outlet installation ® 12.5 Explain entrance cable bonding and grounding per NEC Article 770.100 and Article 250 FOI Competencies 4 © Copyright 2013, ETA®International ® ETA International – Fiber Optics Installer Knowledge Competencies 12.6 Summarize these types of preparation: 12.6.1 Patch panel 12.6.2 Rack mountable hardware housings and cable routing guides for cable/fiber bend radius control 12.6.3 Splice enclosure 12.7 Recognize that ANSI/TIA-606 standard concisely describes the administrative record keeping elements of a modern telecommunications infrastructure that is used for premises installations 12.8 Explain that the administration includes basic documentation and timely updating of drawings, labels and records that is used for premises installations in accordance with ANSI/TIA-606 ® ® 12.9 Explain the role of the NEC /Canadian Electrical Code (CEC ) 12.10 Explain the role of the National Electrical Safety Code (NESC) 12.11 Identify the role of the ANSI/TIA 590 standard 13.0 FIBER OPTIC SYSTEM ADVANTAGES 13.1 Compare the following advantages of optical fiber over twisted pair and coaxial cables: 13.1.1 Weigh the bandwidth advantages of optical fiber over twisted pair and coaxial copper cables 13.1.2 Relate the attenuation advantages of optical fiber over twisted pair and coaxial copper cables 13.1.3 Explain the electromagnetic immunity advantages of fiber optic cable over copper cable 13.1.4 Compare the weight saving advantages of fiber optic cable over copper cable 13.1.5 Describe the size advantages of fiber optic cable over copper cable 13.1.6 Identify the security advantages of fiber optic cable over copper cable 13.1.7 Define the safety advantages of fiber optic cables over copper cables 14.0 TEST EQUIPMENT AND LINK/CABLE TESTING 14.1 Recognize that field test instruments for multimode fiber cabling that meet the requirements of ANSI/TIA-526-14- in accordance with ANSI/TIA-568-C. 14.2 Identify field test instruments for single-mode fiber cabling shall meet the requirements of TIA526-7 in accordance with ANSI/TIA-568.C. 14.3 Describe the types of fiber optic test equipment that are used for continuity testing 14.4 Explain the usage of a visual fault locator (VFL) when troubleshooting a fiber span 14.5 Describe the basic operation of a single-mode and a multimode light source and optical power meter 14.5.1 Explain why a light source should not be disconnected during testing for zero calibration changes 14.6 Review the difference between a measurement quality jumper (MQJ) and a patch cord 14.7 Define the purpose of a mode filter by having five non-overlapping wraps of multimode fiber on a mandrel in accordance with ANSI/TIA-568.C. (Annex E) 14.7.1 Explain that the procedure is also applicable to single-mode cabling with a single 30 mm (1.2 in) diameter loop of single-mode fiber in accordance with ANSI/TIA-526-7 14.8 Describe how to measure the optical loss in a patch cord with a light source and optical power meter using Method A 2-Jumper Reference in accordance with ANSI/TIA-526-14 14.9 Summarize the basic operation and tasks of an optical time domain reflectometer (OTDR) End of Fiber Optic Installer Competencies Listings (with 14 major Categories) Find An ETA Approved School Site http://www.eta-i.org/eta_schools.html Find An ETA Test Site http://www.eta-i.org/testing.html FOI Competencies 5 © Copyright 2013, ETA®International ® ETA International – Fiber Optics Installer Knowledge Competencies Suggested Study Materials and Resources for ETA Fiber Optics Installer Certification: Cabling: The Complete Guide to Copper and Fiber-Optic Networking, 4E; Andrew Oliviero, Bill Woodward; ISBN 978-0470477076; Sybex, Inc; July 2009; Paperback; 1144 ppg. Troubleshooting Optical Fiber Networks: Understanding and Using Optical Time-Domain Reflectometers, 2E; Duwayne Anderson, Larry Johnson, Florian Bell; ISBN 978-0120586615; Elsevier Academic Press; May 2004; hardcover; 437 ppg; 800-545-2522 Technology Series Videos and CDs; The Light Brigade, 800-451-7128, www.lightbrigade.com Technicians Guide to Fiber Optics, 4E; Donald J. Sterling; ISBN 1-4018-1270-8; Delmar Learning; Dec 2003; hardcover; 384 ppg; Available through ETA 800-288-3824, www.eta-i.org Fiber Optic Installer's Field Manual; Bob Chomycz; ISBN 0-07-135604-5; McGraw-Hill; Jun 2000; softcover; 368 ppg; —Available through ETA at 800-288-3824, www.eta-i.org Fiber Optic Installer and Technician Guide; Bill Woodward, Emile Husson; ISBN 978-0782143904; Sybex, Inc; July 2005; hardcover; 496 ppg; Available through ETA 800-288-3824, www.eta-i.org Fiber Optic Communications; James N. Downing; ISBN 978-1401866358; Delmar Cengage Learning; September 2004; softcover; 378 ppg; Available through ETA 800-288-3824, www.eta-i.org Understanding Fiber Optics, 5E; Jeff Hecht; ISBN: 978-0131174290; Prentice-Hall; April 2005; hardcover; 800 ppg Introduction to Fiber Optics, 3E; John Crisp, Barry Elliott; ISBN 978-0750667562; Newnes; Dec 2005; paperback; 245 ppg Fiber Optic Theory & Applications; Jeffrey Dominique; 1993; FNT Publ.; paperback www.f-n-t.com Designers Guide to Fiber Optics; AMP Corp., Harrisburg, PA 17105; ASIN B000IU64O; 1982; paperback; 209 ppg National Electrical Code, 2011; National Fire Protection Assn., Sept.,2010; www.nfpa.org ETA Fiber Optics Installer Committee Committee Chairman, Agard, Rich, FOI, RESIma Arndt, David, FOI Booth, Richard, FOI, FOT Burch, Glenn, SAEFAB, FOT Casbeer, Chuck, FOD Dadaian, Scott DiMauro, Michael Dominique, Jeffrey, FOI, FOT Giordano, Timothy, FOT, CETsr Gosnay, Greg, FOI, FOT Groves, JB, FOI, FOT, et al Guadalupe, Felipe Johnson, Larry Limtiaco, John, FOI, DCI McLaughlin, Barry, FOI Morris, Rohan, FOT-OSP Quinby, Eric, FOI Rivera, Kenneth Siverling, Wayne, FOI,FOT,DCI Smith, Joe, FOI Stone, Don, SAEFAB,FOT,CFODE Stover, Robert, FOI, FOT, DCI Taha, Khalid, FOD,FOT,FOI Woodward, Bill, P.E., FOD FOI Competencies Bill Woodward, P.E.,FOD Phila. Fiber Optic Training, (PA) Casper College, (WY) ETA International, (AZ) Kitco Fiber Optics, (VA) Infotec, ECPI University, (VA) Kitco Fiber Optics, (VA)) Focus Educational Services, (FL) Fiber Network Training, (AZ) USMC, (CA) Yeager Career Ctr, (WV) WCJC Ft. Bend Tech. Ctr., (TX) Kitco Fiber Optics, (VA) The Light Brigade, (WA) L & K Communications, (Guam) TTA of NE (MA) Vector Tech. Institute, (FL, Jam) Corning Cabling Systems, (NC) J M Fiber Optics, (CA) USAF, Sheppard Tech. School, (TX) Telecom Training Div-TEEX, (TX) Kitco Fiber Optics, (VA) Advanced Tech. Ctr. (VA) ECPI University (VA) Ursa Navigations Solutions, (VA) 6 wwoodward@ursanav.com ragard@aol.com darndt@caspercollege.edu richard.w.booth@gmail.com glenn.burch@kitcofo.com ccasbeer@infotecpro.com scott.dadaian@kitcofo.com m_dimauro@bellsouth.net jeffdominique@f-n-t.com gio0905@gmail.com ggosnay@access.k12.wv.us jbgroves@wcjc.edu felipe.guadalupe@kitcofo.com larry@thelightbrigade.com anital@teleguam.net bmclaughlin02@verizon.net rohmor@cwjamaica.com eric.quinby@corning.com krivera@jmfiberoptics.com wayne.siverling@us.af.mil joe.smith@teexmail.tamu.edu dstone@kitcofo.com rstover@vbschools.com ktaha@ecpi.edu wwoodward@ursanav.com © Copyright 2013, ETA®International