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NT1310 Unit 3 Exercise 1

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NT1310 Unit 3 Exercise 1
Cabling – Definitions
1. Application- A program running on a computer.
2. Unshielded Twisted-Pair- A pair of copper wires twisted together with no shielding.
3. Fiber-Optic Cable- Cable with one or more glass fibers that uses light to transfer data.
4. Dark Fiber- A fiber that is not carrying light. Used when extra fiber capacity is installed.
5. Coaxial Cable- Twisted-Pair cabling. It’s called coaxial because it has a single conductor surrounded by insulation and then a layer of shielding.
6. Plenum- Air space between walls, floors, drop ceilings used for circulating air in a building.
7. Riser- A space for indoor cables that allow cables to pass between floors, normally a vertical shaft or space.
8. Rip Cord- String built into fiber-optic cable that is used to split the outer jacket of the cable
9. Core- The central part of a fiber optic cable that the light transmitted on.
10. Attenuation- A term that indicates a decrease in power from one point to another.
11. Noise- A signal that interferes with the desired signal passing thru the cable.
12. Headroom- The number of db that a system exceeds the minimum defined requirements.
13. ANSI- The primary organization for developing technology standards in the U.S.
14. NFPA- A U.S organization with international membership, to establish and update fire protection and prevention safeguards.
15. FCC- A government agency that regulates interstate and international communications
16. NIST- A Technology Administration that sets standards as needed by industry or government programs.
17. OSHA- A government agency that makes and enforces rules to provide safe and healthy work environment.
18. Equipment Room- A space set aside for telecommunications equipment that serves the occupants of the building or multiple buildings in a campus environment.
19. Topology- The physical configuration that describes a local communications network, most common topologies is bus, ring and star.

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