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Unit 4 Exercise 1

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Horizontal Cable - The wiring/cabling between the telecommunications outlet/connector and the horizontal cross-connect.
Backbone Cable - cabling is the inter-building and intrabuilding cable connections in structured cabling between entrance facilities
Patch Cords - an insulated cord with a plug at each end, for use with a patch panel
Connectors - a device for keeping two parts of an electric circuit in contact
Conduit - a protective cover, tube or piping system for electric cables
Racks - are usually made of aluminum or stainless steel. The Electronics Industries Association establishes standards for cabinets and racks intended for use with computers and other electronic equipment.
Punch down block - A punch-down block is a type of electrical connection often used in telephony.
Consolidation Points - a location defined by the ANSI standard for interconnection between horizontal cables
Crimpers - joining two pieces of metal or other ductile material by deforming one or both of them to hold the other
Fish Tape - is a tool used by electricians to route new wiring through walls and electrical conduit
Cable Toner - professional telephone and network cable tracking system, consisting of receiver and emitter, enables you to find where a cable is laid and whether or not
Continuity Tester - an item of electrical test equipment used to determine if an electrical path can be established between two points; that is if an electrical circuit can be made
Category 5e/6 Cable - provides performance of up to 250 MHz and is suitable for 10BASE-T, 100BASE-TX (Fast Ethernet), 1000BASE-T/1000BASE-TX (Gigabit Ethernet) and 10GBASE-T (10-Gigabit Ethernet).
Binder Groups - Cable pairs are typically arranged under the cable sheath in binder groups. The binder is a spirally wound colored thread or plastic ribbon used to separate and identify cable pairs by means of color coding.
Hybrid/Composite Cable - are used for standard definition connections. There are three separate colored wires in a composite cable: Red and white for left audio and right audio. Yellow for video.
Pulling Cable - A substance which facilitates the pulling of wires through a cable duct or conduit
Wavelengths of light - One wavelength. equals the distance between two successive wave crests or troughs. Frequency (Hertz) equals the number of waves that passes a given point per second
EMI - is the disruption of operation of an electronic device when it is in the vicinity of an electromagnetic field
Optical-Fiber Strand - An optical fiber is a thin fiber of glass or plastic that can carry light from one end to the other. The study of optical fibers is called fiber optics, which is part of applied science and engineering.
Index of Refraction - The index of refraction is defined as the speed of light in vacuum divided by the speed of light in the medium
Cable Jacket - The outer protective coating which covers the core of the cable.
Cladding Size - is one or more layers of materials of lower refractive index, in intimate contact with a core material of higher refractive index
Multifiber Cables - An optical fiber cable is a cable containing one or more optical fibers. The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable will be deployed.
Differential Modes Delay - Differential mode delay is the difference in the time delays amongst the fiber's propagating modes caused by imperfections or nonideality of the fiber refractive index profile.
Chromatic Dispersion - The chromatic dispersion of an optical medium is the phenomenon that the phase velocity and group velocity of light propagating in a transparent medium depend on the optical frequency. A related quantitative measure is the group velocity dispersion.

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