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BICSI Installer 2 copper study Exam/51 Questions and Answers (Principles of Transmission)
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BICSI Installer 2 copper study Exam/51 Questions and Answers (Principles of Transmission)
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BICSI Installer 2 copper study Exam/51Questions and Answers (Principles of
Transmission)
There are four classes of administration of Structure cabling system (SCS) - -
Class 1 single ER equipment room
Class 2 multiple telecommunication spaces
Class 3 multiple buildings on campus
Class 4 multiple sites -Endothermic - -Ability to absorb heat -3 basic types of crosstalk of interest for balaced twisted pair - -Near End (NEXT)
Attenuation to crosstalk far end (ACRF)
Alien crosstalk -intumescent - -Ability to expand heat -Three transmission methods are - -Simplex
Half duplex
Full duplex -Simplex - -Transmits signals in one direction -Half Duplex - -Transmits signals in either direction but only One Direction at a time -Direct current (DC) - -Refers to a study value that does not change the polarity of the voltage or the direction of the current -Frequency - -1 cycle in 1 s = 1 Hz -Full duplex - -Transmit signals in both directions at the same time -Capacitance 1 - -Properties of conductors that allows storage of electric charges when potential differences (voltage) exist between the Conductors -Capacitance 2 - -Causes a voltage difference between two wires when separated by insulation
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