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Flashcards in Cabling Deck (21):
1

What are the two types of SCS wiring? (4)

Vertical or Horizontal

2

An ________ product has an improved level of performance, such as Cat5 and Cat6. (5)

Evolved

3

What type of wiring standard is normally used to connect wiring closets between floors? (8)

Vertical

4

What type of wiring standard is normally used above the ceiling to connect to wall jacks? (8)

Horizontal

5

What would you use a Main cross-connect for? (32)

The building backbone connects to an outside service

6

What would you use a Intermediate cross-connect for? (32)

The building backbone connects to the telecom room

7

What would you use a Horizontal cross-connect for? (32)

Where the horizontal wiring connects to the telecom room (the rack).

8

What is impedance of a STP cable? (37)

150Ω

9

What is the maximum length of a STP cable? (37)

90 meters / ~300 feet.

10

What is NEXT? (49)

Near End Crosstalk

11

What pin number is the Green Striped cable on the left?

Q image thumb

Number 1.

12

What are the two solutions to Attenuation? (47)

  1. Don't buy cheap cables
  2. Keep length within specifications

13

What unit is used to measure network speed? (51)

Megabits per Second

14

One megabit (one million bits) is equal to how many kilobits? (51)

125KB

15

Megahertz refers to the analog frequency of the _______ signal that is used to transmit the data. (52)

Carrier

16

Category 5E cables are tested at ___ [number] megahertz or higher (53)

100

17

An electrical cable consisting of pairs of conductors that have identical electrical characteristics with respect to each other and with respect to ground is called? (56)

A Balanced Line

18

An electrical cable in which the potential of the signal- carrying conductor is above ground while the return-path conductor is at ground potential is called? (57)

Unbalanced Line

19

Coaxial cabling is a type of what line balance? (57)

Unbalanced Line

20

What type of line balance is pictured? (58)

Q image thumb

Balanced Line

21

It is common practice to keep total lengths well below the ___ [number] metre limit (62)

100