BICSI INSTALLER 2: FIBER MODULE QUESTIONS WITH ACCURATE ANSWERS

BICSI INSTALLER 2: FIBER MODULE QUESTIONS WITH ACCURATE ANSWERS BICSI - ANSWER -- Building - Industry - Consulting - Service - International Frequency - ANSWER -Optical pulses using cycles per second, 1 unit of hertz = 1 cycle per second 4hz = 4 cycles per second Definition of transmission - ANSWER -The movement of information in the form of electrical or optical signals from one point to another through a transport medium Refraction - ANSWER -Bending of the light as it passes from one medium into another MHz - ANSWER -- Quantifies the bandwidth of a cabling system in a frequency range - Information handling capabilities of the medium Megabits - ANSWER -- transmission rate - Number of bits information that can be transported over the medium(vehicles of the highway) Anatomy of a fiber - ANSWER -- Core - Cladding - Coating Attenuation = - ANSWER -The decrease in magnitude of transmission signal strength between points, expressed in decibel as the ratio of out put to input signal Attenuation [insertion loss] = - ANSWER -Light pulses traveling along fiber are subjected to loss due to absorption or scattering of the light Intrinsic = - ANSWER -Controlled by the manufacture/expresses in decibels perkilometer impacts the signal to reach the receiver with sufficient power Extrinsic = - ANSWER -Controlled by the installer/expresses in decibels per-kilometer impacts the signal to reach the receiver with sufficient power Attenuation loss = - ANSWER -- Expressed in decibels per kilometers - Impacts the ability of the signal to reach the receiver with sufficient power dBm = - ANSWER -Optical power referred to as 1 milliwatt of power CWDM = - ANSWER -Coarse wave division multiplexing DWDM = - ANSWER -Dense wave division multiplexing APC - ANSWER -Angle polish connector SCS = - ANSWER -Structured cabling system Tight buffered = - ANSWER -Zipcord Distribution = - ANSWER -- Most popular backbone cable - High fiber density - Terminated in patch panels and wall mounted box - Breakout cable Loose tube = - ANSWER -Outdoor Tight buffer breakout = - ANSWER -Indoor Zip-Cord = - ANSWER -Short runs, patch cords, laid in cable trays OPGW = - ANSWER -Optical power ground wire Fiber is immune to = - ANSWER -Electrical interference Air blown fiber = - ANSWER -- Blow special fibers in to tubes - Easy upgrades VCSEL = - ANSWER -Vertical cavity surface emitting laser Singlemode common wave lengths = - ANSWER -1310 nano meters, 1490 nm, 1550 nm and 1625 nm Multimode common wave lengths = - ANSWER -850 nm and 1300 nm Different types of fiber - ANSWER -- Simplex - Duplex - Distribution - Breakout - Ribbon Single-mode optical fiber color = - ANSWER -Yellow Multi-mode optical fiber with 50 micron core diameter = - ANSWER -Orange Multi-mode optical fiber with 50 micron core diameter laser optimized = - ANSWER - Aqua Code - ANSWER -Addresses the safety of persons, property and the environment associated with the ITS cabling Installation NEC - ANSWER -National electric code Frequency conversion chart - ANSWER -One thousand hertz = 1KHz One million Kilohertz = 1 MHz One billion Megahertz = 1 GHz NFPA - ANSWER -National Fire protection association AHJ - ANSWER -Authorities having jurisdiction TIA/EIA - ANSWER -- Telecommunications Industry association - Electronic industries alliance Multi-mode optical fiber with 62.5 micron core diameter = - ANSWER -Orange Multi-mode optical fiber with 100 micron core diameter = - ANSWER -Orange Dispersion-shifted singlemode = - ANSWER -Red Polarization maintaining singlemode optical fiber = - ANSWER -Blue Loose tube furcating harness = - ANSWER -- Provides support of 250 micron - Provides stand management - Sizes strand for 900 micron connection Couplers/adapters = - ANSWER -To create a mated pair Aramid yarn = - ANSWER -Protects fibers from stress SC Subscriber connector = - ANSWER -* A keyed, contact, moderate loss, pull and wiggle-proof connector - Beige in multimode - Blue in singlemode Fire stopping ASTM = - ANSWER -American standard test method for test of firestop systems UL 1479 = - ANSWER -Standard for fire test of a through penetration firestops