QUESTIONS AND ANSWERS
Code - ANS Addresses the safety of persons, property and the environment associated with
the ITS cabling Installation
NEC - ANS National electric code
Frequency conversion chart - ANS One thousand hertz = 1KHz
One million Kilohertz = 1 MHz
One billion Megahertz = 1 GHz
NFPA - ANS National Fire protection association
AHJ - ANS Authorities having jurisdiction
TIA/EIA - ANS - Telecommunications Industry association
- Electronic industries alliance
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BICSI - ANS - Building
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, - Industry
- Consulting
- Service
- International
Frequency - ANS Optical pulses using cycles per second, 1 unit of hertz = 1 cycle per second
4hz = 4 cycles per second
Definition of transmission - ANS The movement of information in the form of electrical or
optical signals from one point to another through a transport medium
Refraction - ANS Bending of the light as it passes from one medium into another
MHz - ANS - Quantifies the bandwidth of a cabling system in a frequency range
- Information handling capabilities of the medium
Megabits - ANS - transmission rate
- Number of bits information that can be transported over the medium(vehicles of the highway)
Anatomy of a fiber - ANS - Core
- Cladding
- Coating
Attenuation = - ANS The decrease in magnitude of transmission signal strength between
points, expressed in decibel as the ratio of out put to input signal
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Attenuation [insertion loss] = - ANS Light pulses traveling along fiber are subjected to loss
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due to absorption or scattering of the light
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