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Copied RCDD > Ch. 7 * (Telecommunications Spaces) > Flashcards

Ch. 7 * (Telecommunications Spaces) Flashcards

1
Q

Telecommunications Room (TR)

A

Architectural space

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2
Q

Equipment Room (ER)

A

Environmentally controlled

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3
Q

Entrance Facility (EF)

A

OSP

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4
Q

Loud equipment should be located ___ the telecommunications space

A

Outside

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5
Q

Sleeves/slots should be located on the ___ side of the room

A

Left

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6
Q

Three types of steel conduit

A

Rigid metal conduit (RMC)
Intermediate metal conduit (IMC)
Electrical metallic tubing (EMT)
Except “black iron pipe”

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7
Q

EMT

A

Thin wall

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8
Q

EMT is the ___ weight steel conduit

A

Lightest

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9
Q

At least ___ 4” conduits should serve an ER, TR, EF

A

4

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10
Q

TRs on the same floor should be connected with at least ___ 3 inch conduit

A

1

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11
Q

Recommended door dimensions

A

3’ X 6.5’ - minimum

Double door recommended (slide side to side or removable)

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12
Q

Used to reduce static electricity

A

Antistatic floor tile

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13
Q

ER power provisions

A

Two dedicated duplex receptacles on individual circuits

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14
Q

HVAC should run

A

24 hours a day/365 days a year

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15
Q

Temperature of room that does not contain active equipment

A

95°

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16
Q

Rooms with active equipment should be kept at ___

A

77° and 55% humidity

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17
Q

Interchange per hour for TR

A

1

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18
Q

Air change per hour for tunnel

A

3

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19
Q

Air change per hour for battery plant

A

4

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20
Q

___ should be kept close to the entrance of the telecommunications space

A

Fire extinguishers

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21
Q

Telecommunication spaces should be located away from ___

A

Threats of flooding

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22
Q

Minimum lighting

A

50 foot-candles

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23
Q

Building less than 5000 sq’

A

Shallow room

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24
Q

Building less than 1000 sq’

A

Cabinet

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25
Q

Wall field sizing

A

4 sq” / balanced twisted-pair 4-pair circuit

2 sq” / optical fiber strand

26
Q

Wire management spacing

A

5-6” above and below connecting hardware

27
Q

Corners result in ___ of lost space

A

12”

28
Q

Standard for racks, cabinets or enclosures

A

(ANSI/CEA) 310-E

29
Q

TR’s and TE’s differ from ERs and EFs how?

A

They serve tenants as opposed to buildings or campuses

30
Q

TRs or ERs should be located on every ___

A

Floor

31
Q

One TR or ER for every ___ square feet

A

10,000

32
Q

A full-size TR can support ___ 4-pair cables

A

480

33
Q

A small TR can support ___ 4-pair cables

A

240

34
Q

How many square feet does this room serve (2 racks)?

A

Less than 5000 sq’

35
Q

TE doors may be?

A

Hinged or removable

36
Q

TE service area

A

3,600 sq’

37
Q

ERs should be located in the ___

A

Center

38
Q

255 work areas
55 BAS devices
ER size ___

A

205 sq’

39
Q

Typical equipment cabinets require ___ of floor area and ___ working clearance

A

10 sq’ & 10 sq’

40
Q

Recommended cable pathways entering TR

A

(4) 4” + spare if over 40,000sq’

41
Q

Cable pathways entering ER

A

(5) 4”

42
Q

Cable pathways entering EF

A

(5) 4” + (3) 2”

43
Q

ER temperature

A

77°

44
Q

ER humidity

A

55%

45
Q

ER heat dissipation

A

5000 BTUs (British Thermal Unit)

46
Q

HVAC sensors/controls located @ ___ AFF

A

5’

47
Q

MC / HC

A

Main Crossconnect / Horizontal Crossconnect

48
Q

The MC should be located ___

A

Close to the ER / center of building

49
Q

Size of TR

A

5000 sq’ - 8’ x 10’
5000-8000 sq’ - 9’ x 10’
8000-10,000 sq’ - 10’ x 11’

50
Q

TE power requirements

A

1 outlet

51
Q

Standard working height means ___

A

No scaffold or ladder req’d

52
Q

Avoid placing the TR near ___

A

Kitchens
Bathrooms
Janitor closets

53
Q

Color code for 4”, 5” & 6” conduit thread protectors

A

Blue

54
Q

___ protect telecommunications systems from contaminants

A

Positive room pressure
Vapor barriers
Absolute filters

55
Q

Recommended space height for rack, cabinet or enclosure

A

7.5’

56
Q

ER minimum size

A

10’ x 16’

57
Q

Allow ___ more space for routing of cables, jumpers and patch cords

A

20%

58
Q

Color code for 1”, 2” & 3” conduit thread protectors

A

Orange

59
Q

If usable space is unknown, deduct ___ % of the total floor area to estimate usable floorspace

A

15%

60
Q

Telecommunications Enclosure (TE)

A

Case

Copied RCDD (24 decks)

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