(OLD) €h 07 - Telecom Spaces Flashcards by Ali Jeffery

Q

7-1 Telecom Spaces

Telecom Enclosure (TE) =
Telecom Room (TR) =

A

a case

* architectural spaces

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7-1 Telecom Spaces

Equipment Room (ER) = 
Entrance Facility (EF) =

A

environmentally controlled

* OSP

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7-2 Acoustic Noise Levels

acoustic noise levels =
2

A

photo copy equip.

* outside telecom spaces

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7-4 ceilings

min. ceiling height =
consideration =

A

8 ft

* 10 ft

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7-4 clearances

clearances =
wall mounted equipment =
Corners =

A

3.28 ft
6 in depth
12 in

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7-5 conduits, trays, slots, sleeves and ducts

Sleeves, slots, and/or conduits =

A

Left side of room

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7-5 conduits, trays, slots, sleeves and ducts

Trays and conduits =

A

Protrude 1 inch to 2 inch

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7-5 conduits, trays, slots, sleeves and ducts

Three types steel conduits =

A

Except black steel/iron pipe

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7-5 conduits, trays, slots, sleeves and ducts

EMT =
3

A

thin walled
unthreaded
lightest-weight steel conduit

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7-5 conduits, trays, slots, sleeves and ducts

Sleeves, slots =

A

Not to be left open

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7-5 conduits, trays, slots, sleeves and ducts

At least four =

A

(4 trade size) sleeves

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7-5 conduits, trays, slots, sleeves and ducts

Interconnected =

A

(3 trade size) conduits

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7–9 doors

Doorway lockable doors =

A

3 ft wide and 6.5 ft high

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7–9 doors

ER doors =

A

Double door recommended

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7–9 doors

Doors that open =

A

Outward provide additional usable space

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7–9 doors

Door sills =

A

Not recommended

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7–9 doors

Doors =
2

A

slide side to side
Or
removable

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7–9 dust and static electricity

Avoided by =

A

Tiles instead of carpet

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7–10 electrical power

Minimum of two dedicated =

A

Non-switched AC

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7–10 electrical power

Duplex or quad convenience receptacles =

A

6 in and 6 ft

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7–10 electrical power

One receptacle =

A

Emergency power

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7–11 environmental control

TR no equipment =

A

95°F 85%

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7–11 environmental control

TR housing equipment =

A

77°F 55%

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

7–11 environmental control

1 air change per hour =
3

A

TR
TE
ER

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

7–11 environmental control 3 air changes per hour = 4 air changes per hour =

Tunnel | Battery plant

7–12 fire protection Portable fire extinguishers =

Close to the entrance as possible

7–12 fire protection Wire cages =

Sprinkler heads

7–12 fire protection Drainage troughs =

Wet pipe systems

7–12 fire protection Wall linings =

Two coats of fire retardant

7–12 Q/A flood prevention =

Move TR to alternate location

7–13 lighting Light switches =

Near the entrance

7–13 lighting Coordinating the lighting layout =

Equipment layout

7–13 lighting Providing a minimum =

500lux (50foot-candles) measured at the point of cable termination

7–14 safe and clean environment Standard working height=

Avoid the use of ladder or scaffold

7–15 size guidelines 5000 ft.² or less =

10ft x 8ft

7–15 sizing guidelines > 5000 ft.² to 8000 ft.² =

10ft x 9ft

7–15 sizing guidelines > 8000 ft.² to 10,000 ft.² =

10ft x 11ft

7–16 sizing guidelines – smaller buildings Walk-in rooms =

4ft x 6ft

7–16 size guidelines – smaller building Shallow rooms =

2ft x 8.5ft

7–17 size guidelines termination space allocation Balance twisted-pair =

4 in sq 4 pair circuit

7–17 size guidelines termination space allocation Optical fiber =

2 in.² Fiber Core/stand

7–19 wall and rack, cabinets, or enclosure space for terminations Clear space 5 in to 6 in =

Connecting hardware for cable handling

7–19 wall and rack, cabinets, or enclosure space for terminations Corners result in =

12in of lost space

7–20 racks, cabinets, enclosures (ANSI/CEA)-310-E = ^

Cabinets, racks, panels, and associated equipment E = enclosures

7–20 wall linings | At least two walls lined = 2

* void – free plywood | * 8ft x 3/4in

7–21 wall linings Reduce warping plywood =

Kiln-dried to maximize moisture content of 15%

7–20 wall linings Mount plywood =

8in AFF to avoid damaging

7–21 TR's TE's TR & TE serves =

Serves tenants and floor area

7–21 TR & TE ER & EF serves =

Serves other buildings

7–23 TR & TE applications At least on TR or ER =

Serves every building

7–22 TR and TE applications Minimum of one TR =

Per floor

7–22 TR and TE applications No maximum number =

TR's or TE that may be provided within a building

7–24 TR guidelines Q/A 20,000 ft.² serve =

2 TR design

7–29 general TE's TE doors =

Hinged or removable

7–29 general TE's TE electrical power =

Minimum one dedicated

7–30 general TE TE lighting =

Minimum 500 lux (50foot-candles)

7–30 general TE TE size and spacing =

3600 ft.²

7–37 ER access to cable pathways 3 examples of ER access to cable pathways =

* 10th floor of a 20 floor * Center single floor * Center large campus

7–43 determining size based on area served Q/A 255 work area x .75 = 191.25 55 BAS devices x .25 = 13.75 =

191 ft.² + 14 ft.² = 205 ft.² ER size

743 determining size based on area size Work areas =

.75 ft.²

7–43 determining size based on area served BAS devices =

.25 ft.²

7–43 determining size based on area served 200 work areas =

No less than 160 ft.²

7–44 working clearances Equipment cabinets =

10 ft.² x 10 ft.² for working clearance

7–49 cable pathways entering ER Circular sleeves =

Easier to fire stop

7–49 cable pathway and ER Four 100mm (4trade size) =

One spare sleeve

7–49 cable pathway entering ER TR =

(4) 4 in add spare per 40,000 ft.²

7–49 cable pathways entering ER ER =

(5) 4in

7–49 cable pathway entering ER EF =

(5) 4in & (3) 2in = total 8

7–54 environment control requirements Temperature = Relative humidity = Heat dissipation =

* 77°F * 55% * 5000 British thermal (Btu)

7–50 for the environment control requirements HVAC sensors=

5ft AFF

7-55 Floor requirement Instead of carpet =

Tile or other smooth surface that does not produce dust or static

7-11 environmental control HVAC =

365 days per year

Junction box =

60ft