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Chapter 2 NT1230 10/3/2014

1. When was the first major standard describing a structured cabling system released? c. 1995

2. What doe EIA and TIA stand for? i. EIA – Electronics Industries Alliance ii. TIA – Telecommunications Industry Association 3. What are the three parts of the EIA/TIA 568-B standard? i. EIA/TIA-568-B.1: Commercial Cabling Standard, Master Document ii. EIA/TIA-568-B.2: Twisted-pair Media iii. EIA/TIA-568-B.3: Optical Fiber Cabling Standard

4. Identify the six subsystems of a structured cabling system. i. Building Entrance (Also called (EF) Entrance Facilities) ii. Equipment Room (ER) iii. Telecommunications Closet (Also
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ii. Most manufacturers are recommending the use of UTP cable for cabling computer networks except for very noisy environments.

Section 2-4

21. What are the color maps and pin # assignments for T568A and T568B? i. T568A – White-Green/Green/White-Orange/Blue/White-Blue/Orange/White-Brown/Brown a. 1 2 3 4 5 6 7 8 ii. T568B – White-Orange/Orange/Blue/White-Blue/Green/White-Green/White-Brown/Brown a. 1 2 3 4 5 6 7 8

22. What is the difference between T568A and T568B? i. They are just two different manufacturer standards used to wire the modular connector hardware. a. There is no performance improvement with either, just a color order choice. b. Industry tends to favor T568A wiring order; however, either order can be used as long as the order is maintained throughout the network.

23. How many wires are in a CAT6 twisted-pair cable? i. 8

24. How many wire pairs are in a CAT6 twisted-pair cable? i. 4

25. In regards to a CAT6 cable, what pin numbers in an RJ-45 connecter are used to carry data in a FastEthernet network?

26. What does an “X” on

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