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Cabling Notes Essay

930 words - 4 pages

Notes

What is the speed of light- 186000miles a second or 700 million miles an hours?How fast dose sound travel.-340mdHow fast dose sound travel in water -33502mph |

Cabling Notes 6/20/12

Name three rules of Data cabling
1. Networks never get smaller or less complicated.
2. Don’t scrimp on installation cost. Quality components and cable must be installed, No poor workmanship allowed.
3. Plan for higher –speeds technologies than are commonly available today. Just because 1000Base-TEthernet seems unnecessary today doesn’t mean in five years you will need to use it.

The cost of poor cabling – The cost that results from poorly planned and poorly implemented cabling ...view middle of the document...

What does all that mean to you? Clarity. In most cases, you'll get distortion-free conversations and clearer TV pictures.

What is the stander for telephone –RJ11

Proprietary- is designed for one systems state of the art the most expensive.

What are the 3 types of technology.
1. FDDI – Fiber Distributed Data Interface.
2. 16mb Token ring
3. 10mb Ethernet the fastest

Attenuation- is a general term that refers to any reduction in the strength of a signal.

bandwidth/ˈbandˌwidTH/
Noun:
1.A range of frequencies within a given band, in particular.
2.The range of frequencies used for transmitting a signal.

Dark fiber- fiber that is not in use.
Coaxial Cable -copper in the middle

Fep-Fluorinated ethylene- propylene (FEP)
A thermoplastic with excellent dielectric properties that is often used as insulation in plenum-rated cable. FEp has good electrical-insulation properties and chemical and heat resistance and is an excellent alternative to PTFE (Teflon). FEp is the most common material used for wire insulation in Category 5 and better cables that are rated for use in plenums.

Pe-Polyethylene- A thermoplastic material with excellent electrical properties. PE is used as an insulating material and as jacket material where flame-resistance requirements allow.

Pp-

Plenum- The air-handling space between the walls, under structural floors, and above drop ceiling when used to circulate and otherwise handling air in a building. Plenum-grade cable can be run through these spaces if local building codes permit it.
PVC is useful because it resists two things that hate each other: fire and water. Because of its water resistance it's used to make raincoats and shower curtains, and of course, water pipes. It has flame resistance, too, because it contains chlorine. When you try to burn PVC, chlorine atoms are released, and chlorine...

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