Optical fiber - Study guides, Class notes & Summaries

NCTI Final Exam Maintance Tech 2-3 Conventional| New Update 2023/ 2024| Verified Questions and ANSWERs In a hybrid fiber/coax HFC fiber optic node, what are common voltages produced by DC power supplies? - ANSWER Common Voltage includes +5, +12 and +24 VDC Why do many optical nodes accept two independent power supplies? - ANSWER For redundant Powering of the node. What is an o...

NCTI Field Tech 2 to 3 Questions with Correct Answer 2023/2024 What is one reason why broadband cable operators install fiber optic cables in stages instead of changing the infrastructure all at once - Correct Answer Changing the infrastructure all at once would cause too many service disruptions What is the difference between FTTN and FTTC - Correct Answer FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises Which of these components is us...

Code Addresses the safety of persons, property and the environment associated with the ITS cabling Installation NEC National electric code Frequency conversion chart One thousand hertz = 1KHz One million Kilohertz = 1 MHz One billion Megahertz = 1 GHz NFPA National Fire protection association AHJ Authorities having jurisdiction TIA/EIA - Telecommunications Industry association - Electronic industries alliance BICSI - Building - Industry -...

BICSI IN250 OPTICAL FIBER REVIEW EXAM STUDY MATERIALS QUESTION AND ANSWERS (VERIFIED ANSWERS)

FOA CFOT Certification Fiber optics Questions and Answers True - CORRECT ANSWER-A fiber optic inspection microscope can increase the danger of high powered light sources by focusing the light out of a fiber into your eye. True - CORRECT ANSWER-The fiber optic power meter measures absolute power in dBm (dB referenced to 1 mw) and, when used with a light source, measures insertion loss in dB. Total internal reflection - CORRECT ANSWER-Confining light in a material by surrounding it by...

SAFETY REVIEW OSHA - Answer-Occupational Safety and Health Administration What is the 1st step you should take to safely assist an injured person during an emergency? - Answer-Survey the Scene When Surveying a Victim what does the B in ABC stand For? - Answer-Breathing When do safety codes normally require the use of a GFCI? - Answer-Extension Cords & Temporary Wiring What Ladder Materials Can be used around electricity? - Answer-Wood, Fiberglass & NonConductive How far should th...

buffer tubes - A flexible cylindrical structure that houses, compartmentalizes, and protects smaller groups of optical fibers within larger multi-fiber cables. pigtails - A length of optical fiber with a connector at only one end, which may be spliced to a smaller diameter optical fiber for testing or termination. acceptance testing - Length and loss test of fiber-optic cable that is typically performed twice—when the cable is received from the manufacturer and after the cable is i...

BICSI - Installer 1 – Exam Review | 120 Questions | 100% Correct Answers B A third 90-degree bend may be permitted in a conduit run if the run does NOT exceed ______? A 5 m (16.5') B 10 m (33') C 15 m (50') D 30 m (100') C Which of the following is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit? A Impedance B Capacitance C Inductance D Resistance A Which of the following markings is used for no...

SAFETY REVIEW OSHA - Answer-Occupational Safety and Health Administration What is the 1st step you should take to safely assist an injured person during an emergency? - Answer-Survey the Scene When Surveying a Victim what does the B in ABC stand For? - Answer-Breathing When do safety codes normally require the use of a GFCI? - Answer-Extension Cords & Temporary Wiring What Ladder Materials Can be used around electricity? - Answer-Wood, Fiberglass & NonConductive How far should the base o...

FOA CFOT Certification Exam v11 Questions and Answers (100% Correct). A fiber optic inspection microscope can increase the danger of high powered light sources by focusing the light coming out of a fiber into your eye. True or False? - ANSWER-True A fiber optic power meter measures absolute power in dBM (dB referenced to 1 mw) and, when used with a light source, can measure insertion loss expressed in dB. True or False? - ANSWER-True When we say 62.5/125 fiber, what does "62.5" mean? -...