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EEU 5 > 5.2 STRUCTURED BUILDING TELECOMMUNICATION SYSTEMS > Flashcards

5.2 STRUCTURED BUILDING TELECOMMUNICATION SYSTEMS Flashcards

1
Q

Prior to ________, End-users were frequently confused by manufacturers’ conflicting claims concerning TRANSMISSION performance and were forced to pay high installation and administration costs for __________ systems.

A

1991, proprietary

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2
Q

The __________________________ (EIA), ____________________ (TIA), and a large consortium of leading telecommunications companies worked cooperatively to create the _________________________ (ANSI)/TIA/EIA-__________ Commercial Building Telecommunications Wiring Standard.

A

Electronic Industries Association

Telecommunications Industry Association

American National Standards Institute

568-1991

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3
Q

The ANSI/TIA/EIA-568-1991 was revised in 1995, and is now referred to as ANSI/TIA/EIA-568- A Commercial Building Telecommunications _________ Standard.
– goal of these standards is to define ____________ a telecommunications cabling system that can support virtually any voice, imaging, or data application that an end-user chooses.

A

Cabling, structured cabling

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4
Q

_______________ is the medium through which voice and data move from one TELECOMMUNICATION DEVICE to another. Cabling _________ carries _________ or _________ signals to and from devices and equipment in a telecommunication system.

A

Telecommunication cabling, physically, electrical, optical

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5
Q

___________ is a passageway, and thus a path, for cable to travel when interconnecting devices, components, and equipment in a telecommunication system.

A

pathways

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6
Q

_____________ are typically a raceway, a channel, or trough designed
to hold wires and cables.

A

Pathways

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7
Q

( T/F)

Pathways can carry existing cable and does not allow additional
cabling to be installed to accommodate the addition of equipment or upgrades in technology.

A

F, it easily allow

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8
Q

_______________ is a generic term used to describe a main pathway or cabling media that interconnects a number of telecommunication devices.

A

backbone

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9
Q

Backbone is used to connect networks in a building or in separate buildings. ______________ is typically used for this type of backbone.

A

Fiber optic cable

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10
Q

______________ may be attached from the backbone to connect individual workstations.

A

Drop cables

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11
Q

A _______________ is the cabling, devices, and equipment that INTEGRATE the voice, data, video, and electronic management systems of a building.

A

structured cabling system

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12
Q

The ______________ is the cabling and pathways _________ of the building and caries telecommunication services to the building these includes:
• _______ carrying local exchange carrier (LEC) services
(e.g., outside telephone company)
• Internet service provider services
• ____________ telecommunication cable
(e.g., private phone network between buildings at a school campus or business park)

A

interbuilding backbone, outside

Cables

Private branch exchange

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13
Q

The _______________________ is an entrance to the building for both public and private network service cables. It includes the cables, connecting hardware, protection devices, and other equipment
needed to connect the ____________ backbone cabling to the backbone cabling in the building.

A

building entrance facility, interbuilding

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14
Q

In buildings with a finished floor area larger than _____________ ft² (1870 m²), a secured (locked), dedicated, _________ room is recommended for the building entrance. An industry standard is to allow __ ft² (0.1 m²) of ___-in (20-mm) plywood wallmountarea for each _______ ft² (19m²) area of finished floor area.

A

20,000, enclosed, 1 , 3/4, 200

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15
Q

Serves a building or multiple building in a campus or business park environment and the building entrance facilities

It is a room dedicated to provides a CONTROLLED ENVIRONMENT to the important equipments.

It is a centralized space for housing main telecommunications equipment.

A

Telecommunications Equipment Room

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16
Q

-DEDICATED ROOM ON EACH FLOOR in a building that houses INTERMEDIATE voice and data telecommunications equipment and related cable connections.
- serves as a location where JUNCTIONS between the backbone pathway and horizontal pathways are made at one or more patch panels.
- large buildings will have several ________________ and should be located in a space that is central to the work areas it serves.

A

Telecommunications Closet x2

17
Q

-a MOUNTED hardware unit containing an assembly of rows of connecting locations in a communications system, called PORTS.

-located in a TELECOMMUNICATIONS CLOSET to serve as a type of switchboard-like device in a network.

A

patch panel

18
Q

is receptacle that is a specific place for physically connecting a device or piece of equipment to another.

A

Port

19
Q

a cable that is used to create a connection from one port in a patch panel to another port.

A

Patch Cord

20
Q

____________ is the recommended closet size More than 1 telecommunications closet if area exceeds 90m or 940
squares meters.

A

10 ft x 12 ft

21
Q

Two walls in a telecommunications closet should be covered with __ft high, ___ mm thick wood to attach equipment.

A

8, 20

22
Q

Telecommunications closet should be stacked vertically
above each other or else __in horizontal conduit runs are
required with no more than ___ deg bends between pull
points.

A

4, 90

23
Q

An industry standard is to provide at least three 4-in diameter sleeves (a stub of conduit through the floor) per 50000 ft-squared.

A

FACT

24
Q

multiple telecommunications closets on a single floor
must be _______________.

A

interconnected

25
Q

To prevent the spread of fire, provisions for a _______ are required in every opening that penetrates the telecommunications closet compartment (e.g., walls and floors).

A

firestop

26
Q
  • is located within a building telecommunications
    system
  • it connects the entrance facilities /equipment room to the telecommunications closets for cabling that inter connects equipment’s and devices in the spaces
  • it contains several backbone (main) cables that carry
    the ___________ telecommunications TRAFFIC throughout
    the building.
A

backbone pathway, heaviest

27
Q

can hold any type or combination of ____________ media, but CABLING typically includes UTP, STP, and optical fiber cable.

A

backbone pathway, transmission

28
Q

____________ distances are dependent on
the type of system, data speed, and the
manufacturer’s specifications for the system
electronics and the associated components used
(e.g., adapters, line drivers, and so)

A

backbone cabling

29
Q

connect the backbone cabling entering the telecommunications closet with the terminal equipment in the work area (e.g., computers, data terminals, telephones, and so on).

A

Horizontal pathways

30
Q

can include underfloor DUCTS embedded in concrete
decks or slabs, modular/cellular (raised) floors,
underground trench ducts, and raceways (e.g.,
conduits, cable trays, recessed molding).

A

horizontal pathways

31
Q

The most commonly used horizontal pathway consists of cable bundles run from the telecommunications closet along _______ or cable trays suspended above a plenum ceiling.

A

J-hooks

32
Q

All cables in horizontal
pathways should be
strung in a ______ topology
so cables directly link the
telecommunications
closet with each
telecommunications
outlet.

A

star

33
Q

The ______________
system extends from the
work area (workstation)
outlet to the
telecommunications closet
and consists of horizontal
cabling, telecommunications
outlet, table terminations,
and cross-connections.

A

horizontal cabling

34
Q
  • An industry standard is to size horizontal pathways by providing __ in2 (645 mm2) of cross-section area for every ____ ft2 (9.3 m2) of
    workspace area being served.
  • Easy access to the horizontal cabling is
    desirable.
A

1, 100,

35
Q

The ___________ is the space containing work station (terminal), equipment and components.

A

work area

EEU 5 (7 decks)

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