Gradespins

The buffer diameter for fiber used in light-buffered cables is what? correct answers250mm 900 mm What jacket color does single-mode fiber have ? correct answersYellow Twelve colors comprise the fiber color code. What are they in order? correct answersblue, orange, green, brown, slate white, re, black, yellow, violet, rose, aqua OM1 and OM2 are known as what type of fiber? correct answerslegacy multimode Why does Graded index fiber use numerous concentric layers of glass? correct answ...

What is the difference between light and radio freq? correct answersLight uses high freq Radio uses short freq What type of light is used in Fiber Optic Transmissions? correct answersInfrared Light What are the 4 items needed for a fiber optic system to work? correct answersTransmitter, fiber optic cable, receiver, connectors. 1 mW is the same as what in dBM? correct answers0 dBM How is power measured in fiber optic correct answersdBM What is the best wavelength to use in fiber o...

Electrostatic Discharge correct answersWhat does the acronym ESD stand for? 100mA, 200mA correct answersCurrent amounts between __ and __ can be lethal. Shock correct answersWhat is the number one concern in regards to electrical safety? Protons, neutrons, electrons correct answersBohr's Atomic Model consists of what three components? Shells correct answersElectrons are arranged in __ around the nucleus. Conductors, semi-conductors, and insulators correct answersWhat are three ty...

Light is electromagnetic energy with a ____________ frequency and a ___________ wavelength compared to radio waves. correct answersHigher/Shorter Fiber optic transmission takes place in the ___________ portion of the light spectrum. correct answersInfrared A simple fiber optic system would consist of what 4 parts? correct answersTransmitter/Fiber optic Cable/Receiver/Connector What absolute power value is zero dBm referenced to? correct answers1 miliwatt Absolute power in optical fib...

Never look directly into the end of fiber cables -especially with a microscope until you are certain there is no light being transmitted down it. True or False correct answersTrue Electrodes in a fusion splicer become rounded or corroded when worn and should be replaced when the arc count reaches ____ or at the interval recommended by the manufacturer. correct answersloop What is the ferrule diameter for a ST or SC connector? correct answers2.5 mm What is the first event on an OTDR trac...

List the two types of multimode fiber correct answersgraded index and step index List the core and cladding sizes for the US and European standards of graded index fiber correct answers62.5/125 and 50/125 microns List the two wavelengths used in multimode fiber correct answers850 and 1300 nanometers What type of dispersion is found in multimode fibers? correct answersmodal List two types of intrinsic attenuation correct answersabsorption and scattering List the four examples of ex...

OFNR stands for correct answersOptical Fiber Non Conductive Riser Installers must consider ______ _______ when installing FOC correct answersBuilding Codes _______ Safety forms must be acailable when chemicals are used correct answersMSDS The three most common wavelengths windows used for communicataions thruough optical fibers are ___nm,___nm,and ___nm correct answers850 1300 1550 When installing fiber cable, it is recommended that extra _____ be available for future changes and r...

the applications of optical fiber communications have increased at a rapid rate, since the first commercial instillation of a fiber optic system in the correct answers1970's The loss of a signal strength is called correct answersattenuation A single binary digit Is called a correct answersBit An eight bit group is called a correct answersBite The _______ is used to express gain or loss in a fiber optic system or component correct answersDecibel 1mw of power is ___dbm correct answ...

The class designation for lasers that run at low power levels so that prolonged exposure will not cause eye damage is correct answersClass I Each chemical you use should be accompanied by a/an correct answersMaterial Safety Data Sheet (MSDS) What is the best practice for disposing of fiber optic waste? correct answersDispose of all fiber optic waste in debris, sealable containers provided. What year was the first North American fiber optic telephone system installed? correct answers1977...

L.A.S.E.R correct answerslight amplification by stimulated emission of radiation GTE installs first commercial fiber systems in place for service in correct answers1977 Advantages of Fiber correct answersBandwidth weight security fiber fabrication steps correct answersmaking a preform; drawing fiber preform types (3) correct answersMCVD, OVD, VAD layers of fiber correct answerscore, cladding, acrylate coating, buffer Core size of multimode cables correct answers62.5um and 50...