Chp 3

Question 1

Telecommunications Room (TR)

Answer 1

Architectural space

Question 2

Equipment Room (ER)

Answer 2

Environmentally controlled

Question 3

Entrance Facility (EF)

Answer 3

OSP

Question 4

Loud equipment should be located ___ the telecommunications space

Answer 4

Outside

Question 5

Sleeves/slots should be located

Answer 5

adjacent to a wall which can support the cables and not above the termination point (to be sure equipment is accessible)

Question 6

Three types of steel conduit

Answer 6

Rigid metal conduit (RMC)
Intermediate metal conduit (IMC)
Electrical metallic tubing (EMT)

Question 7

EMT

Answer 7

Thin wall

Question 8

EMT is the ___ weight steel conduit

Answer 8

Lightest

Question 9

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

Answer 9

4

Question 10

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

Answer 10

1

Question 11

Recommended door dimensions

Answer 11

3’ X 6.5’ - minimum

Double door recommended (slide side to side or removable)

Question 12

Used to reduce static electricity

Answer 12

Antistatic floor tile

Question 13

ER power provisions

Answer 13

Two dedicated duplex receptacles on individual circuits

Question 14

HVAC should run

Answer 14

24 hours a day/365 days a year

Question 15

Temperature of room that does not contain active equipment

Answer 15

95°

Question 16

Rooms with active equipment should be kept at ___

Answer 16

77° and 55% humidity

Question 17

Interchange per hour for TR

Answer 17

1

Question 18

Air change per hour for tunnel

Answer 18

3

Question 19

Air change per hour for battery plant

Answer 19

4

Question 20

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

Answer 20

Fire extinguishers

Question 21

Telecommunication spaces should be located away from ___

Answer 21

Threats of flooding

Question 22

Minimum lighting in TE

Answer 22

50 foot-candles

Question 23

Shallow room

Answer 23

an enclosed space for housing cabling terminations, cross connect cabling, and telecom equipment

Question 24

Building less than 1000 sq’

Answer 24

Cabinet

Question 25

Wall field sizing

Answer 25

4 sq" / balanced twisted-pair 4-pair circuit | 2 sq" / optical fiber strand

Question 26

Wire management spacing

Answer 26

5-6" above and below connecting hardware

Question 27

Corners result in ___ of lost space

Answer 27

12"

Question 28

Standard for racks, cabinets or enclosures

Answer 28

(EIA/ECA) 310-E

Question 29

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

Answer 29

TRs TEs serve a floor, ERs and EFs server buildings, tenants, or SP

Question 30

TRs or ERs should be located on every ___

Answer 30

Floor

Question 31

One TR or ER for every ___ square feet

Answer 31

10,000

Question 32

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

Answer 32

480

Question 33

A small TR can support ___ 4-pair cables

Answer 33

240

Question 34

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

Answer 34

Less than 5000 sq'

Question 35

TE doors may be?

Answer 35

Hinged or removable

Question 36

TE service area

Answer 36

3,600 sq'

Question 37

ERs should be located in the ___

Answer 37

Center

Question 38

255 work areas 55 BAS devices ER size ___

Answer 38

205 sq' 1 Divide the amount of usable floor space by ≈9.3 m2 (100 ft2) to determine the number of individual work areas that the ER will serve through both backbone and horizontal cabling. NOTES: Usable floor space includes the building area used by occupants in their normal daily work functions. For planning purposes, this should include hallways but not other common areas of the building. If the usable floor space is unknown, deduct 20 percent of the total floor area to estimate the usable floor space. An area of ≈9.3 m2 (100 ft2) is an industry average used to calculate work areas. If work areas are smaller, the size of the ER shall be increased accordingly. 2 3 Divide the amount of total floor space by ≈23.2 m2 (250 ft2) to determine the number of BAS devices that the ER will serve through both backbone and horizontal cabling. Multiply the number of work areas to be served by ≈0.07 m2 (0.75 ft2) and the number of BAS devices to be served by ≈0.023 m2 (0.25 ft2) to determine the ER size. If there are fewer than 200 work areas, the ER shall be no less than ≈14 m2 (150 ft2). For special-use buildings (e.g., hospitals, hotels), ER size requirements may vary

Question 39

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

Answer 39

10 sq' & 10 sq'

Question 40

Recommended cable pathways entering TR

Answer 40

(4) 4" + spare if over 40,000sq'

Question 41

Cable pathways entering ER

Answer 41

4, 4" conduits minimum with at least 1 spare

Question 42

Cable pathways entering EF

Answer 42

(5) 4" + (3) 2"

Question 43

ER temperature

Answer 43

77°

Question 44

ER humidity

Answer 44

55%

Question 45

ER heat dissipation

Answer 45

5000 BTUs (British Thermal Unit)

Question 46

HVAC sensors/controls located @ ___ AFF

Answer 46

5'

Question 47

MC / HC

Answer 47

Main Crossconnect / Horizontal Crossconnect

Question 48

The MC should be located ___

Answer 48

Close to the ER / center of building

Question 49

Size of telecom spaces

Answer 49

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

Question 50

TE power requirements

Answer 50

1 outlet

Question 51

Standard working height means ___

Answer 51

No scaffold or ladder req'd

Question 52

Avoid placing the TR near ___

Answer 52

Kitchens Bathrooms Janitor closets

Question 53

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

Answer 53

Blue

Question 54

___ protect telecommunications systems from contaminants

Answer 54

Positive room pressure Vapor barriers Absolute filters

Question 55

Recommended space height for rack, cabinet or enclosure

Answer 55

7.5'

Question 56

ER minimum size

Answer 56

10' x 16'

Question 57

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

Answer 57

20%

Question 58

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

Answer 58

Orange

Question 59

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

Answer 59

20

Question 60

Telecommunications Enclosure (TE)

Answer 60

Case

Question 61

TR Plywood required specs

Answer 61

4'x8'x 0.75" AC rated or better. Mounted at 8" AFF on at least 2 walls.

Question 62

Required clearance space for wall mounted equipment

Answer 62

12in

Question 63

Required space by code in front, and behind, rack

Answer 63

1m in front and 1m behind largest equipment (4 post rack, or deepest mounted equipment)

Question 64

Space allocated for rack mounted equipment

Answer 64

18in