CHAPTER 3 Flashcards
1
Q
ACCESS PROVIDER (AP)
A
- A COMPANY THAT PROVIDES A CIRCUIT PATH BETWEEN A SERVICE PROVIDER AND THE CLIENT USER. AN AP CAN ALSO BE THE SP.
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2
Q
ACS
A
ACCESS CONTROL SYSTEM
AN INTERCONNECTED SET OF CONTROLLERS MANAGING THE ENTRANCE AND EXIT OF PEOPLE THROUGH SECURE AREAS.
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3
Q
AHJ
A
AUTHORITY HAVING JURISDICTION
THE BUILDING OFFICIAL, ELECTRICAL INSPECTOR, FIRE MARSHAL, OR OTHER INDIVIDUALS OR ENTITIES RESPONSIBLE FOR INTERPRETATION AND ENFORCEMENT OF LOCAL BUILDING AND ELECTRICAL CODES.
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4
Q
BAS
A
BUILDING AUTOMATION SYSTEM
A CONTROL SYSTEM CONSISTING OF HARDWARE AND A SOFTWARE APPLICATION OR SUITE OF SOFTWARE APPLICATIONS THAT AUTOMATE THE ELECTRICAL, MECHANICAL, OR OTHER BUILDING AND FACILITY SUBSYSTEMS.
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5
Q
DEMARCATION POINT
A
- A POINT WHERE THE OPERATIONAL CONTROL OR OWNERSHIP CHANGES. (TIA)
- THE POINT OF INTERFACE BETWEEN SERVICE PROVIDERS AND CLIENT FACILITIES. ALSO REFFERED TO AS MAIN POINT OF ENTRY. (MPOE).
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6
Q
EF
A
ENTRANCE FACILITY
AN ENTRANCE TO A BUILDING FOR BOTH PUBLIC AND PRIVATE NETWORK SERVICE MEDIA, INCLUDING WIRELESS. THIS INCLUDES THE ENTRANCE POINT AT THE BUILDING WALL OR FLOOR, THE CONDUIT OR PATHWAY, AND CONTINUING ON TO THE ENTRANCE ROOM OR SPACE.
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7
Q
EP
A
ENTRANCE POINT
THE POINT OF EMERGENCE FOR TELECOMMUNICATIONS CABLING THROUGH AN EXTERIOR WALL, A FLOOR, OR FROM A CONDUIT.
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8
Q
ER
A
EQUIPMENT ROOM
AN ENVIRONMENTALLY CONTROLLED CENTRALIZED SPACE FOR TELECOMMUNICATIONS EQUIPMENT THAT USUALLY HOUSES AN MC (CD) OR IC (BD).
TDMM: PAGE 3-28
9
Q
HC (FD)
A
HORIZONTAL CROSS-CONNECT (FLOOR DISTRIBUTOR)
A GROUP OF CONNECTORS THAT ALLOW HORIZONTAL, BACKBONE, AND EQUIPMENT CABLING TO BE CROSS-CONNECTED WITH PATCH CORDS OR JUMPERS.
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10
Q
IC (BD)
A
INTERMEDIATE CROSS-CONNECT (BUILDING DISTRIBUTOR)
THE CONNECTION POINT BETWEEN A BACKBONE CABLE THAT EXTENDS FROM THE MAIN CROSS-CONNECT (MC/CD) AND THE BACKBONE CABLE FROM THE HORIZONTAL CROSS-CONNECT (HC/FD).
TDMM: PAGE G-100
11
Q
MC (CD)
A
MAIN CROSS-CONNECT (CAMPUS DISTRIBUTOR)
THE CROSS-CONNECT NORMALLY LOCATED IN THE MAIN EQUIPMENT ROOM FOR CROSS-CONNECTION AND INTERCONNECTION OF ENTRANCE CABLES, FIRST-LEVEL BACKBONE CABLES, AND EQUIPMENT CABLES.
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12
Q
SERVICE PROVIDER (SP)
A
THE OPERATOR OF ANY SERVICE THAT FURNISHES TELECOMMUNICATIONS CONTENT DELIVERED OVER ACCESS PROVIDER FACILITIES.
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13
Q
TE
A
TELECOMMUNICATIONS ENCLOSURE
A CASE OR HOUSING FOR TELECOMMUNICATIONS EQUIPMENT, CABLE TERMINATIONS, AND CROSS-CONNECTING CABLING.
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14
Q
TR
A
TELECOMMUNICATIONS ROOM
AN ENCLOSED ARCHITECTURAL SPACE FOR HOUSING TELECOMMUNICATIONS EQUIPMENT, CABLE TERMINATIONS, AND CROSS-CONNECT CABLING.
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15
Q
HOW ARE TELECOMMUNICATIONS SPACES DEFINED?
A
AS ROOMS AND AREAS WHERE TELECOMMUNICATIONS CABLING SYSTEMS ARE TERMINATED, CROSS-CONNECTED, AND INTERCONNECTED TO INSTALLED TELECOMMUNICATIONS EQUIPMENT.
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16
Q
WHY SHOULD A TELECOMMUNICATIONS SPACE THAT SERVES MULTIPLE TENANTS BE IN A COMMON SPACE THAT CAN BE ACCESSED THROUGH A COMMON CORRIDOR OR OUTSIDE DOOR?
A
THIS TYPE OF ACCESS WILL LIMIT INTERRUPTION TO THE BUILDING TENANTS. SERVICE FOR ONE TENANT WILL NOT INTERRUPT THE OTHER TENANTS.
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17
Q
WHO SHOULD HAVE ACCESS TO A LOCKED TELECOMMUNICATIONS SPACE, AREA, OR ROOM?
A
- THE OWNERS MAINTENANCE PERSONEL
- BUILDING MANAGEMENT
- COMMON KEY/ACCESS CONTROL CREDENTIAL HOLDERS
- EACH TENANT
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18
Q
NAME 2 STRATEGIES TO LIMIT ACCOUSTIC NOISE LEVELS IN A TELECOMMUNICATIONS SPACE.
A
- LOCATE NOISE-GENERATING EQUIPMENT OUTSIDE THE TELECOMMUNICATIONS SPACE WHENEVER POSSIBLE.
- SPECIFY THE USE OF SOUND BARRIERS IF SOURCES OF UNNACEPTABLE NOISE CANNOT BE LOCATED OUTSIDE THE TELECOMMNUICATIONS SPACE.
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19
Q
WHAT SHOULD BE THE MINIMUM CEILING HEIGHT IN A TELECOMMUNICATIONS SPACE?
A
2.4m (8FT) AFFF
TDMM: PAGE 3-3
20
Q
WHAT IS THE RECOMMENDED CEILING HEIGHT TO CONSIDER USING IN A TELCOMMUINCATIONS SPACE?
A
3m (10FT) AFF
TDMM: PAGE 3-3
21
Q
TRUE OR FALSE
SUSPENDED CEILINGS ARE PREFFERED IN TELECOMMUNICATIONS SPACES.
A
FALSE. SUSPENDED CEILINGS ARE NOT RECOMMENDED IN TELECOMMUNICATIONS SPACES UNLESS THEY ARE PART OF THE AIR COOLING STRATEGY.
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22
Q
NAME 2 POTENTIAL NEGATIVE CONSEQUENCES OF INSTALLING EXCESSIVELY TALL EQUIPMENT OR RACKS IN A TELECOMMUNICATIONS SPACE.
A
- MAY REQUIRE SPECIAL LIGHTING.
- MAY REQUIRE WIDER WORKING CLEARANCES.
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23
Q
WHY IS IT IMPORTANT TO SELECT A CEILING FINISH THAT IS LIGHT COLORED?
A
IT ENHANCES THE ROOM LIGHTING.
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24
Q
HOW MUCH CLEARANCE SHOULD BE PROVIDED FOR THE INSTALLATION AND MAINTENANCE OF CABLING THAT IS MOUNTED ON A WALL?
A
1m (3.28FT)
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25
WHAT IS THE MINIMUM RECOMMENDED DEPTH THAT SHOULD BE PROVIDED FOR WALL-MOUNTED EQUIPMENT?
150mm (6")
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26
HOW MUCH WORKING CLEARANCE (FRONT AND REAR) SHOULD BE PROVIDED AROUND INSTALLED EQUIPMENT?
1m (3.23')
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27
WHAT IS THE MINIMUM RECOMMENDED SIDE CLEARANCE WHEN EQUIPMENT WILL BE MOUNTED IN THE CORNERS OF A TELECOMMUNICATIONS SPACE?
300mm (12")
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28
TRUE OR FALSE
IF POSSIBLE, SLEEVES, SLOTS, AND CONDUITS SHOULD BE LOCATED WHERE THEY PERMIT CABLE TERMINATIONS TO BE PERFORMED FROM LEFT TO RIGHT.
TRUE, IF POSSIBLE, SLEEVES, SLOTS, AND CONDUITS SHOULD BE LOCATED WHERE THEY PERMIT CABLE TERMINATIONS TO BE PERFORMED FROM LEFT TO RIGHT.
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29
HOW FAR SHOULD A CABLE TRAY LOCATED WITHIN THE CEILING PROTRUDE INTO A ROOM?
25.4mm (1") TO 51 mm (2") WITHOUT A BEND.
TDMM: PAGE 3-4
30
HOW HIGH SHOULD A CABLE TRAY BE LOCATED WITHIN THE CEILING BE PLACED WHEN IT PROTRUDES INTO A ROOM?
ABOVE 2.4 m (8') AFF
TDMM: PAGE 3-4
31
WHAT IS THE MINIMUM SIZE AND NUMBER OF SLEEVES TO BE USED FOR BACKBONE PATHWAYS FOR A TR, ER, OR EF?
AT LEAST FOUR 103 mm (4" TRADE SIZE) SLEEVES.
TDMM: PAGE 3-4
32
HOW SHOULD MULTIPLE TELECOMMUNICATIONS SPACES ON THE SAME FLOOR BE INTERCONNECTED?
BY AT LEAST TWO 103 mm (4" TRADE SIZE) CONDUITS OR A PATHWAY THAT PROVIDES EQUIVALENT CAPACITY.
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33
TRUE OR FALSE
DOORS FOR TELECOMMUNICATIONS SPACES ARE PERMITTED TO HAVE A LOWER FIRE RATING THAT THE REST OF THE ROOM.
FALSE, DOORS SHALL HAVE THE SAME FIRE RATING AS THE ROOM.
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34
WHAT SHOULD BE THE FOCUS OF THE FIRE PROTECTION SYSTEM?
PREVENTION, EARLY WARNING, AND CONTAINMENT.
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35
WHERE SHOULD LIGHT SWITCHES BE LOCATED IN TELECOMMUNICATIONS SPACES?
NEAR THE ENTRANCE TO THE SPACE.
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36
TRUE OR FALSE
DIMMERS AND VACANCY SENSORS ARE RECOMMENDED FOR REDUCING ENERGY CONSUMPTION IN TELECOMMUNICATIONS SPACES.
FALSE. DIMMERS AND VACANCY SENSORS ARE NOT RECOMMENDED FOR USE IN TELECOMMUNICATIONS SPACES.
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37
HOW MUCH LIGHT SHOULD BE PROVIDED WITHIN THE TELECOMMUNICATIONS SPACE?
500 lx (46 FOOT-CANDLES) IN THE HORIZONTAL PLANE
200 lx (18.6 FOOT-CANDLES) IN THE VERTICAL PLANE, MEASURED 1m (3.28') AFF IN THE MIDDLE OF ALL AISLES BETWEEN CABINETS AND RACKS.
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38
WHERE SHOULD LIGHT FIXTURES BE LOCATED IN THE TELECOMMUNICATIONS SPACES?
A MINIMUM OF 2.6m (8.5') AFF WHEN POSSIBLE AND CLOSELY COORDINATING WITH RACK, CABINET OR ENCLOSURE PLACEMENTS.
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39
HOW SHOULD TELECOMMUNICATIONS SPACES IN MULTI-FLOOR BUILDINGD BE ALIGNED?
VERTICALLY ALIGNED
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40
WHAT IS AN ADVANTAGE OF USING ONE OR MORE LOAD-BEARING WALL TO BUILD THE TELECOMMUNICATIONS SPACE?
USING ONE OR MORE LOAD-BEARING WALLS REDUCES THE POSSIBILITY OF RELOCATING THE SPACE IF THE FLOOR OR BUILDING IS EXPANDED IN THE FUTURE.
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41
WHAT IS THE PURPOSE OF LOCATING A TELECOMMUINCATIONS SPACE AS NEAR AS POSSIBLE TO THE CENTER OF THE AREA TO WHICH IT WILL PROVIDE CONNECTIVITY?
IT MINIMIZES CABLE LENGTHS.
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42
WHAT ARE THE MINUMUM INTERIOR DIMENSIONS OF A TELECOMMUNICATIONS SPACE IF THE SERVING AREA IS 465 sqm (5000 SQFT) OR LESS?
3m (10') BY 2.4m (8')
TDMM: PAGE 3-11, TABLE 3.1
43
WHAT ARE THE MINUMUM INTERIOR DIMENSIONS OF A TELECOMMUNICATIONS SPACE IF THE SERVING AREA IS LARGER THAN 465 SQM (5000 SQFT) AND LESS THAN OR EQUAL TO 742 SQM (8000 SQFT)?
3m (10') BY 2.74m (9')
TDMM: PAGE 3-11, TABLE 3.1
44
WHAT ARE THE MINUMUM INTERIOR DIMENSIONS OF A TELECOMMUNICATIONS SPACE IF THE SERVING AREA IS LARGER THAN 743 SQM (9000 SQFT) AND LESS THAN OR EQUAL TO 929 SQM (10000 SQFT)?
3m (10') BY 3.4m (11')
TDMM: PAGE 3-11, TABLE 3.1
45
WHERE ARE SHALLOW ROOMS PERMITTED TO SERVE AS TELECOMMUNICATIONS SPACES?
IN BUILDINGS THAT ARE SMALLER THAN 465 sqm (5000 sqft)
TDMM: PAGE 3-11, TABLE 3.2
46
NAME 3 TYPES OF CABINETS THAT MAY SERVE A BUILDING THAT IS SMALLER THAN 93 sqm (1000 sqft)
1. WALL CABINETS
2. SELF CONTAINED CABINETS
3. ENLCOSED CABINETS
TDMM: PAGE 3-11, TABLE 3.2
47
IF THE MINIMUM SIZE GUIDELINES CANNOT BE MET FOR REASONS OUTSIDE THE CONTROL OF THE ICT DESIGNER, WHAT SPACE GUIDLINE SHOULD BE FOLLOWED INSTEAD?
IF MINIMUM SPACE GUIDLINES CANNOT BE MET, PROVIDE
1.2m (4') DEPTH BY
1.83m (6') WIDTH BY
2.6m (8.5') HEIGHT (INSIDE DIMENSIONS)
FOR EVERY 240 FOUR-PAIR CABLE TERMINATIONS SERVED.
TDMM: PAGE 3-11
48
HOW MUCH TERMINATIONS SPACE SHOULD BE ALLOCATED FOR BALANCED TWISTED-PAIR CABLES UTILIZING PATCH PANEL CONNECTIONS?
2580 sqmm (4 sqin) FOR EACH 4-PAIR TO BE PATCHED OR CROSS CONNECTECTED.
TDMM: PAGE 3-12, TABLE 3.3
49
HOW MUCH TERMINATION SPACE SHOULD BE ALLOCATED FOR OPTICAL FIBER CABLES?
1290 sqmm (2 sqin) FOR EACH OPTICAL FIBER CORE/STRAND TO BE PATCHED OR CROSS CONNECTED,
TDMM: PAGE 3-12, TABLE 3.3
50
HOW MUCH TERMINATIONS SPACE SHOULD BE ALLOCATED FOR COAXIAL CABLES?
1290 sqmm (2 sqin) FOR EACH COAXIAL CABLE TO BE PATCHED OR CROSS CONNECTED.
TDMM: PAGE 3-12, TABLE 3.3
51
HOW MUCH ADDITIONAL TERMINATION SPACE MAY NEED TO BE ALLOCATED FOR THE PROPER ROUTING OF CABLES, JUMPERS, EQUIPMENT CORDS, AND PATCH CORDS>?
UP TO 20% MORE SPACE.
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52
NAME 3 FACTORS THAT DETERMINE HOW MUCH ADDITIONAL TERMINATION SPACE IS NEEDED OF PROPER CABLE ROUTING.
1. MOUNTING SCHEME USED.
2. TYPE AND LAYOUT OF CONNECTING HARDWARE USED.
3. ACTIVE EQUIPMENT.
TDMM: PAGE 3-12
53
NAME 3 FORMS OF PROTECTION AGAINST CONTAMINANTS IN TELECOMMUNICATIONS SPACES.
1. VAPOR BARRIERS,
2. POSITIVE ROOM PRESSURE
3. ABSOLUTE FILTERS
TDMM: PAGE 3-13
54
HOW MUCH CLEAR SPACE SHOULD BE ABOVE AND BELOW THE TOP AND BOTTOM OF THE CONNECTING HARDWARE FOR CABLE MANAGEMENT?
127 mm (5")
TDMM: PAGE 3-14
55
WHAT IS THE MAXIMUM LENGTH OF PATCH CORDS, EQUIPMENT CORDS, OR JUMPERS IN AN HC (FD)?
5m (16.5')
TDMM: PAGE 3-14
56
WHAT IS THE MAXIMUM LENGTH TOTAL FOR PATCH CORDS/JUMPERS, EQUIPMENT CORDS CONNECTED TO THE HC (FD)?
10m (33')
TDMM: PAGE 3-14
57
WHAT IS THE MAXIMUM LENGTH OF PATCH CORDS OR JUMPERS THAT SERVE THE MC (CD) OR IC (BD)?
20m (66')
TDMM: PAGE 3-14
58
WHAT IS THE RECOMMENDED HEIGHT FOR RACKS, CABINETS, AND ENCLOSURES?
2.1m (7')
TDMM: PAGE 3-14
59
HOW MANY WALLS IN A TELECOMMUNICATIONS SPACE SHOULD BE LINED WITH AC GRADE OR BETTER, VOID-FREE PLYWOOD?
AT LEAST 2
TDMM: PAGE 3-16
60
HOW HIGH SHOULD PLYWOOD BE MOUNTED IN A TELECOMMUNICATIONS SPACE?
200mm (8") AFF
TDMM: PAGE 3-16
61
WHAT TYPE OF TELECOMMUNICATIONS SPACE IS DEFINED AS AN ENCLOSED ARCHITECTURAL SPACE FOR HOUSING TELECOMMUNICATIONS EQUIPMENT, CABLE TERMINATIONS, AND CROSS-CONNCECT CABLING?
TELECOMMUNICATIONS ROOM (TR)
TDMM: PAGE 3-19
62
WHAT TYPE OF TELECOMMUNICATIONS SPACE IS DEFINED AS A CASE OR HOUSING FOR TELECOMMUNICATIONS EQUIPMENT, AND CROSS-CONNECT CABLING?
TELECOMMUNICATIONS ENCLOSURE (TE)
TDMM: PAGE 3-19
63
TRUE OR FALSE
A TR IS LIMITED TO SERVING ONE TENANT.
FALSE. A TR MAY SERVE ONLY ONE TENANT, OR IT MAY SERVE MULTIPLE TENANTS.
TDMM: PAGE 3-19
64
TRUE OR FALSE
THERE IS NO MAXIMUM NUMBER OF TRs OR TEs THAT MAY BE PROVIDED IN A BUILDING.
TRUE. THERE IS NOT MAXIMUM NUMBER OF TRs OR TEs THAT MAY BE PROVIDED IN A BUILDING.
TDMM: PAGE 3-19
65
NAME 3 TYPES OF CABLING FACILITIES THAT MAY BE HOUSED IN A TR.
1. HC (FDs)
2. ICs (BDs)
3. MCs (CDs)
TDMM: PAGE 3-19
66
WHICH TYPE OF CABLING FACILITY IS USED TO MAKE CONNECTIONS TO THE HORIZONTAL CABLING IN THE TR AND THE TE?
HC (FD)
TDMM: PAGE 3-19
67
TRUE OR FALSE
AN EF MAY CONTAIN AN TR,
TRUE. AN EF MAY CONTAIN A TR.
TDMM: PAGE 3-20
68
WHAT IS THE MINIMUM NUMBER OF TRs FOR A FLOOR THAT DOES NOT CONTAIN AN ER?
AT LEAST ONE. THERE SHALL BE AT LEAST ONE TR OR ER PER FLOOR.
TDMM: PAGE 3-21
69
WHAT IS A SHALLOW ROOM?
AN ENCLOSED SPACE FOR HOUSING CABLE TERMINATIONS, CROSS-CONNECT CABLING, AND TELECOMMUNICATIONS EQUIPMENT
TDMM: PAGE 3-25
70
HOW MANY DEDICATED NON-SWITCHED DUPLEX RECEPTACLES SHOULD BE AVAILABLE FOR EQUIPMENT POWER IN EACH TE?
A MINIMUM OF 1
TDMM: PAGE 3-26
71
WHAT IS THE MINIMUM LIGHT REQUIREMENT FOR A TE?
538 LUX (50 FOOT-CANDLES)
TDMM: PAGE 3-27
72
WHAT IS THE MAXIMUM AREA THAT SHOULD BE SERVED BY A SINGLE TE?
334 SQM (3600 SQFT)
TDMM: PAGE 3-27
73
WHAT IS AN EQUIPMENT ROOM?
AN ENVIRONMENTALLY CONTROLLED CENTRALIZED SPACE FOR TELECOMMUNICATIONS EQUIPMENT THAT USUALLY HOUSED AN MC (CD) OR AN IC (BD),
TDMM: PAGE 3-28
74
HOW DO ERs DIFFER FROM TRs?
ERs ARE GENERALLY CONSIDERED TO SERVE A BUILDING, CAMPUS, TENANT, OR SP, WHERES TRs SERVE A FLOOR AREA OF A BUILDING.
TDMM: PAGE 3-28
75
NAME 4 REASONS A BUILDING WOULD CONTAIN MULTIPLE ERs
1. SEPERATE FACILITIES FOR DIFFERENT TYPES OF EQUIPMENT AND SERVICES.
2. REDUNDANT FACILITIES AND DISASTER RECOVERY STRATEGIES.
3. A SEPERATE FACILITY FOR EACH TENANT IN A MULTI-TENANT BUILDING.
4. A SEPERATE FACILITY FOR EACH ACCESS PROVIDER AND SERVICE PROVIDER.
TDMM: PAGE 3-28
76
TRUE OR FALSE
AN ER MAY PROVIDE ANY OR ALL OF THE FUNCTIONS OF A TR OR AN EF.
TRUE. AN ER MAY PROVIDE ANY OR ALL OF THE FUNCTIONS OF A TR OR AN EF.
TDMM: PAGE 3-29
77
NAME 3 COMPONENTS COMMONLY FOUND IN AN ER.
1. ACTIVE EQUIPMENT
2. CROSS-CONNECT FACILITIES
3. BASs OR OTHER BUILDING SYSTEM EQUIPMENT.
TDMM: PAGE 3-30
78
NAME 5 TYPES OF APPARATUS TYPICALLY HOUSED IN AN ER.
1. POWER CONDITIONING AND BACKUP SYSTEMS.
2. ENVIRONMENTAT CONTROLS
3. TELECOMMUNICATIONS EQUIPMENT.
4. FIRE SUPPRESSION OR SMOKE/HEAT DETECTION SYSTEMS.
5. ACCESS CONTROL SYSTEMS (ACSs) AND INTRUSTION DETECTION SYSTEMS. (IDSs)
TDMM: PAGE 3-30
79
NAME THE 4 MOST COMMON TYPES OF BACKBONE CABLING/MEDIA
1. BALANCED TWISTED-PAIR
2. MULTIMODE FIBER OPTIC CABLE
3. SINGLEMODE FIBER OPTIC CABLE
4. COAXIAL
TDMM: PAGE 3-31
80
NAME 5 FACTORS TO CONSIDER WHEN PERFORMING AN INITIAL ASSESMENT OF AN ER DESIGN.
1. CUSTOMER REQUIREMENTS
2. TELECOMMUNICATIONS PATHWAY LOCATIONS
3. ACCESS PROVIDER AND SERVICE PROVIDER REQUIREMENTS
4. ENVIRONMENT/FACILITY CONDITIONS AND RESOURCES
5. BUILDING REQUIREMENTS
TDMM: PAGE 3-31
81
WHAT IS THE MOST BASIC STEP IN PLANNING AN ER?
SELECTING A SUITABLE LOCATION.
TDMM: PAGE 3-32
82
NAME THE 2 FACTORS THAT GENERALLY DICTATE THE AMOUNT OF SPACE ALLOCATED FOR THE ER.
1. SIZE AND VARIETY OF SYSTEMS TO BE INSTALLED
2. SIZE OF THE AREA THAT THE ROOM WILL SERVE
TDMM: PAGE 3-32
83
TRUE OR FALSE
LAYOUTS FOR CABLING PATHWAYS ARE GENERALLY DETERMINED AFTER THE LOCATION OF ERs, AND TRs ARE ESTABLISHED.
TRUE. LAYOUTS FOR CABLING PATHWAYS ARE GENERALLY DETERMINED AFTER THE LOCATION OF ER, EF AND TRs ARE ESTABLISHED.
TDMM: PAGE 3-33
84
IF A SEPARATE ACCESS PROVIDER SPACE IS REQUIRED, WHERE SHOULD IT BE LOCATED?
IN OR ADJACENT TO THE EF.
TDMM: PAGE 3-33
85
HOW MUCH SPACE SHOULD BE ALLOCATED FOR EACH ACCESS PROVIDER IN AN EF?
AT LEAST 1.2m BY 1.83m (4' X 6')
TDMM: PAGE 3-33
86
NAME 2 BENEFITS OF LOCATING THE ER NEAR THE ELECTRICAL SERVICE ENTRANCE.
1. AIDS IN DESIGNING AN OPTIMAL BONDING AND GROUNDING ARRANGEMENT.
2. MINIMIZES BONDING AND GROUNDING DISTURBANCES.
TDMM: PAGE 3-35
87
WHO CONTROLS THE ACCESS TO AN ER THAT IS SHARED BY MULTIPLE TENANTS?
THE BUILDING OWNER OR AGENT
TDMM: PAGE 3-35
88
TRUE OR FALSE
WHENEVER PRACTICABLE, THE ER SHOULD BE LOCATED NEXT TO THE MECHANICAL ROOM.
FALSE. AN ER SHOULD NOT SHARE SPACE OR BE LOCATED ADJACENT TO A MECHANICAL ROOM OR ANY OTHER ROOM SPACE THAT IS SUBJECT TO AND ADVERSE ENVIRONMENTAL CONDITIONS.
TDMM: PAGE 3-36
89
WHAT IS THE MINIMUM AMOUNT OF FLOOR SPACE THAT SHOULD BE ALLOCATED FOR AN ER?
3m (10') BY 4.9m (16')
TDMM: PAGE 3-37
90
WHAT CAN AN ICT DESIGNER USE TO DETERMINE THE MINIMUM SIZE OF THE ER IF THE SPECIFIC EQUIPMENT THAT WILL BE USED IS UNKNOWN?
THE AMOUNT OF FLOOR SPACE THAT THE ER WILL SERVE.
TDMM: PAGE 3-39
91
WHAT INDUSTRY AVERAGE IS USED TO CALCULATE SPACE FOR WORK AREAS?
9.3 SQM (100 sqft)
TDMM: PAGE 3-39, STEP 1, NOTES
92
WHAT IS THE MINIMUM SIZE PERMITTED FOR AN ER THAT WILL SERVE FEWER THAN 200 WORK AREAS?
14 sqm ( 150 sqft)
TDMM: PAGE 3-39
93
NAME 5 FACTORS THAT ARE USED TO DETERMINE THE MINIMUM WORKING CLEARENCE AROUND EQUIPMENT IN THE ER.
1. VOLTAGE
2. EXPOSURE OF LIVE PARTS
3. EQUIPMENT ORIENTATION
4. AHJ
5. LOCATION OF GROUNDED PARTS
TDMM: PAGE 3-40
94
HOW MUCH FLOOR AREA IS TYPICALLY REQUIRED FOR EQUIPMENT CABINETS IN AN ER?
.9 sqm (10 sqft) OF FLOOR AREA PLUS AN ADDITIONAL .9 sqm (10 sqft) FOR WORKING CLEARENCE
TDMM: PAGE 3-40
95
WHAT TYPES OF CABLE PATHWAYS ARE COMMONLY USED TO ROUTE BULK CABLES WITHIN THE ER?
1. CABLE TRAY OR LADDER RACK SYSTEMS
2. ACCESS FLOORS
TDMM: PAGE 3-42
96
WHAT IS THE MINIMUM AMOUNT OF ACCESS HEADROOM THAT IS REQUIRED WHEN A CABLE TRAY SYSTEM IS INSTALLED IN AN ER?
203 mm (8")
TDMM: PAGE 3-42
97
WHAT IS THE RECOMMENDED AMOUNT OF ACCESS HEADROOM FOR A CABLE TRAY SYSTEM THAT IS INSTALLED IN AN ER?
305mm (12")
TDMM: PAGE 3-42
98
TRUE OR FALSE
ALL CABLE MUST BE PLENUM RATED WHEN COOLING OR RETURN AIR IS PROVIDED UNDER ACCESS FLOORING
TRUE. WHEN COOLING OR RETURN AIR IS PROVIDED UNDER ACCESS FLOORING, ALL CABLING MUST BE PLENUM RATED.
TDMM: PAGE 3-42
99
NAME 2 CHARACTERISTICS OF STRAPPING, HOOKING, AND LASHING THAT MAKE THEM UNSUITABLE FOR BEING THE PRIMARY MEANS OF CABLE DISTRIBUTION WITHIN AN ER?
1. LIMITED BULK CABLE CAPACITY
2. INABILITY TO ACCOMODATE CHANGE
TDMM: PAGE 3-43
100
WHAT TYPES OF CABLE PATHWAYS ARE COMMONLY USED TO ALLOW TELECOMMUNICATIONS CABLES TO ENTER AND EXIT THE ER?
1. SLOTS AND SLEEVES
2. CONDUITS
TDMM: PAGE 3-44
101
SLEEVES AND SLOTS ARE THE MOST COMMON METHOD FOR ROUTING CABLE THROUGH BUILDING WALLS AND FLOORS. WHY ARE SLEEVES PREFERRED?
SLEEVES ARE PREFERRED BECAUSE THEY ARE EASIER TO FIRESTOP
TDMM: PAGE 3-44
102
HOW MANY SLEEVES SHOULD BE PROVIDED TO RUN CABLE TO AN ER?
A MINIMUM OF (4) 4" SLEEVES WITH AT LEAST ONE SPARE SLEEVE
TDMM: PAGE 3-44
103
WHY SHOULD SLEEVES AND SLOTS BE SPECIFIED BEFORE THE BUILDING IS CONSTRUCTED?
BECAUSE CORING HOLES THROUGH EXISTING CONCRETE:
1. IS EXPENSIVE
2. CAN CREATE DUST OR WATER DAMAGE
3. CAN COMPROMISE STRUCTURAL INTEGRITY
TDMM: PAGE 3-44
104
WHAT IS THE PURPOSE OF USING A BUSHING ON THE END OF A CONDUIT?
IT HELPS AVOID DAMAGING THE CABLE SHEATH.
TDMM: PAGE 3-44
105
WHAT COMPONENT SHOULD BE USED IF CABLE BENDS WILL BE REQUIRED NEAR A CONDUIT?
CABLE SHEAVES
TDMM: PAGE 3-44
106
NAME 3 REASONS CONDUITS ARE NOT RECOMMENDED FOR USE IN AN ER UNLESS THEY ARE REQUIRED BY CODE.
THAT ARE GENERALLY NOT RECOMMENDED BECAUSE THEY:
1. ARE EXPENSIVE
2. HAVE LIMITED BULK CAPACITY
3. ACCOMODATE CHANGE POORLY
107
WHY SHOULD ER CROSS-CONNECTS BE LOCATED NEAR THE END OF THE BACKBONE PATHWAYS?
BECASUE IT WILL MINIMIZE THE NEED FOR CABLE ROUTING IN THE ER.
TDMM: PAGE 3-44
108
TRUE OR FALSE
THE ICT DESIGNER IS USUALLY RESPONSIBLE FOR DESIGNING AND INSTALLING ELECTRICAL POWER EQUIPMENT IN THE ER.
FALSE. THE ICT DESIGNER IS USUALLY NOT RESPONSIBLE FOR DESIGNING AND INSTALLING ELECTRICAL POWER EQUIPMENT; HOWEVER; THE ICT DESIGNER SHALL BE CAPABLE OF SPECIFYING ELECTRICAL POWER REQUIREMENTS FOR THE ER.
TDMM: PAGE 3-45
109
NAME 5 COMPONENTS THAT CAB BE USED TO PROTECT ER FROM POWER FLUCTUATIONS.
1. DEDICATED BRANCH CIRCUITS SERVING INDIVIDUAL OUTLETS.
2. DEDICATED ELECTRICAL FEEDERS
3. POWER CONDITIONING
4. BACKUP POWER
5. EFFECTIVE TELECOMMUNICATIONS BONDING AND GROUNDING INFRASTUCTURE.
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110
WHAT DOES A DEDICATED BRANCH CIRCUIT SERVE?
A SINGLE OUTLET UTILIZING A DEDICATED PHASE, NUETRAL, AND GROUND CONDUCTOR.
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111
WHY SHOULD AN ELECTRICAL POWER QUALITY AUDIT BE PERFORMED BEFORE TELECOMMUNICATIONS EQUIPMENT IS INSTALLED?
TO ASSESS THE NEED FOR ADDITIONAL POWER CONDITIONING.
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112
TRUE OR FALSE
BACKUP POWER IS STRONGLE RECOMMENDED FOR ERs.
TRUE. BECAUSE OF THE MISSION CRITICIAL NATURE OF THE ER, IT IS STRONGLY RECOMMENDED THAT BACKUP POWER BE PROVIDED IN THE EVENT OF A POWER FAILURE.
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NAME 3 ENVIRONMENTAL REQUIREMENTS FOR THE TELECOMMUNICATIONS EQUIPMENT.
1. TEMPERATURE CONTROL
2. HUMIDITY CONTROL
3. DUST AND CONTAINMENT CONTROL
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114
LIMIT CHANGES IN TEMPERATURE AND HUMIDITY TO AROUND ___ PERCENT.
1%
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115
WHERE SHOULD HVAC SENSORS AND CONTROLS BE LOCATED IN AN ER?
IDEALLY 1.52m (5') AFF
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116
NAME 6 ALARMS THAT SHOULD BE INSTALLED FOR HVAC SYSTEM FOR AN ER.
1. AC POWER LOSS
2. HIGH AND LOW TEMPERATURE
3. HIGH AND LOW HUMIDITY
4. SMOKE DETECTION
5. COMPRESSOR FAILURE
6. WATER FLOODING
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117
WHAT IS CONDENSATE?
MOISTURE OBTAINED THROUGH THE AIR DURING THE DEHUMIDIFICATION PROCESS
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118
HOW OFTEN SHOULD BELTS AND FILTERS BE CHECKED AS PART OF ROUTINE MAINTENANCE FOR THE HVAC SYSTEM IN AN ER?
AT LEASY EVERY 6 MONTHS
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119
WHAT SHOULD THE ICT DESIGNER DO TO ENSURE THAT THE WARRANTIES ON EQUIPMENT REMAIN IN FORCE?
THE ICT DESIGN SHOULD FOLLOW THE MANUFACTURER'S INSTRUCTIONS AND REQUIREMENTS EXACTLY TO ENSURE THAT THE WARRANTIES REMAIN IN FORCE.
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WHAT SHOULD THE ICT DESIGN DO IN CASES WHERE SITE CONSTRAINTS MAKE IT IMPOSSIBLE TO FOLLOW THE MANUFACTURER'S INSTRUCTIONS OR REQUIREMENTS?
CONSULT THE MANUFACTURER ABOUT ALTERNATIVES THAT WILL NOT VOID THE WARRANTY; THEN ASK THE MANUFACTURER ACKNOWLEDGE ANY ACCEPTABLE ALTERNATIVES IN WRITING.
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WHAT SHOULD THE ICT DESIGNER CHECK AFTER EQUIPMENT INSTALLATION FOR THE ER IS COMPLETE?
1. WORKMANSHIP FOR SAFETY, STANDARDS, AND CODE COMPLIANCE
2. CLEANUP
3. COMPLIANCE WITH CONSTRUCTION DOCUMENTS.
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WHAT IS AN ENTRANCE FACILITY?
AN ENTRANCE TO A BUILDING FOR BOTH PUBLIC AND PRIVATE NETWORK SERVICE MEDIA, INCLUDING WIRELESS. THIS INCLUDES THE ENTRANCE POINT AT THE BUILDING WALL, OR FLOOR, THE CONDUIT OR PATHWAY, AND CONTINUING ON TO THE ENTRANCE ROOM OR SPACE.
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123
TRUE OR FALSE
EFs MUST BE LOCATED IN A SEPARATE ROOM FROM THE ER.
FALSE. AN EF MAY BE LOCATED IN A SEPARATE ROOM OR WITHIN THE ER.
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124
NAME 3 ELEMENTS INCLUDED IN A SERVICE ENTRANCE.
1. PATH THAT TELECOMMUNICATIONS ENTRANCE FACILITIES FOLLOW ON PRIVATE OR PUBLIC PROPERTY.
2. SINGLE OR MULTIPLE EPs TO THE BUILDING.
3. TERMINATION POINT OF DP.
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NAME 4 FACTORS THAT INFLUENCE THE TYPE AND LOCATION OF THE ENTRANCE THAT WILL BE USED.
1. TYPE OF FACILITY BEING USED
2. PATH THE FACILITY FOLLOWS
3. BUILDING ARCHITECTURE
4. AESTHETICS
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NAME 4 TYPES OF MEDIA THAT CAN ENTER AN EF.
1. BALANCED TWISTED-PAIR COPPER
2. COAXIAL
3. OPTICAL FIBER
4. WIRELESS
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NAME 3 TYPES OF OSP FACILITIES THAT CAN BE USED FOR A SERVICE ENTRANCE.
1. UNDERGROUND
2. DIRECT-BURIED
3. AERIAL
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