Chapter 3: Flashcards
In Telecom spaces, the min. ceiling height 1. _____ AFF, Consideration should be given to be 2. _____ AFF.
- 2.4 m (8ft) AFF
- 3 m (10ft) AFF
In Telecom spaces, allocate _____ termination space for each 4-pair circuit to be patch or cross connect.
2580 mm² ( 4 in²)
Suspended ceiling is not recommended in telecommunications spaces. True or False?
True
In Telecom spaces, suspended ceiling is not recommended unless it is part of the air-cooling strategy. If used, should be 1. _____ and no larger than 2. _____.
- Grid system non-fibrous tiles
- 0.6 m x 0.6 m (2 ft x 2 ft)
In Telecom spaces, avoided excessive equipment and rack height (taller than 2.4 m [8 ft], because 1. _____ and 2. _____ .
- it may require special lighting
- wider working clearances.
Why the ceiling finish should be light colored in Telecom spaces,?
to enhance the room lighting
In Telecom spaces, provide _____ clearance, unobstructed space for the installation and maintenance of all cabling and equipment mounted on walls, racks, cabinets, or enclosure.
1.0 m (3.28 ft)
In Telecom spaces, provide at least _____ depth (D) off the wall for wall-mounted equipment.
150 mm (6 in)
In Telecom spaces, provide min. working clearance (front and rear) of _____.
1.0 m (3.23 ft)
What is the min. side clearance of equipment from the wall In Telecom spaces,?
300 mm (12 in)
In many cases, clearance is measured from the center of the devices rather than from the mounting surface of the rack, cabinet, enclosure, or backboard. True or False?
False (outermost surface of the devices)
In Telecom spaces, sleeves, slots, or conduits should be located such that cable terminations on the wall can be performed from _____ if possible.
left to right
In Telecom spaces, trays and conduits located within the ceiling should protrude into the room _____ to _____ without a bend.
25.4 mm (1 in) to 51 mm (2 in)
In Telecom spaces, trays and conduits shall be located within the ceiling above _____high.
2.4 m (8 ft)
In Telecom spaces, the location of structural and facility systems elements shall be identified prior to locating _____.
penetrations
In Telecom spaces, slot/sleeve systems should be located in places where pulling and termination will be easy to achieve. Bend radius and service loop requirements should be considered. True or False?
True
In Telecom spaces, sleeves and slots should have _____ .
fire stopped
At least _____ SLEEEVES are recommended to serve a TR, ER, or EF.
four (4) 103 mm (4in)
Multiple telecommunications spaces on the same floor shall be interconnected with a minimum of _____ conduits or a pathway that provides equivalent capacity.
two (2) 103 mm (4”)
IMPORTANT: The ICT designer shall coordinate all of the above requirements concerning backbone pathways with the applicable stakeholders (e.g., client, other trades and disciplines, AHJs). True or False?
True
Entryways that are planned for use during equipment delivery shall be fully opening (e.g., to 180 degrees if local building codes permit). True or False?
True
Telecommunications space doors shall be a minimum of 1. _____ wide. If it is anticipated that large equipment will be delivered, a 2. _____ wide should be provided.
- 0.91 m (3 ft)
- double door I.83 m (6 ft)
Avoid multiple entrances in the telecommunication space, all doors shall have _____ .
access control
In Telecom spaces door, _____ should be considered instead of thresholds.
Door sweeps
In Telecom spaces, doors shall have the same __________ as the room.
fire rating
To avoid dust and static electricity inside telecommunications space, ICT designer should:
a. Installing antistatic floor tile bonded to ground.
b. Installing grounded floor tiles and mats bonded to ground.
c. Remove any non related materials and devices inside the Telecommunication space
d. Use antistatic clothes and shoes
e. The use of antistatic coatings on concrete floors.
f. Placing active printers outside of telecommunications spaces.
g. Treating all surfaces to minimize dust.
a. Installing antistatic floor tile bonded to ground.
b. Installing grounded floor tiles and mats bonded to ground.
e. The use of antistatic coatings on concrete floors.
f. Placing active printers outside of telecommunications spaces.
g. Treating all surfaces to minimize dust.
IMPORTANT: Carpet is not recommended inside telecommunication space unless AHJ allowed. True or False?
False (Carpet is not totally recommended)
NOTE: The building contractor should be consulted for recommendations on preferred treatments, paints, or other coatings that may be applied to minimize dust and static electricity inside the Telecommunication space. True or False?
True
Each telecom space may share electrical distribution panel with other building facilities. True or False?
False ( should have its own dedicated electrical distribution panel)
what is GFCI means?
Ground-Fault Circuit Interrupter
You are working as ICT designer, and AHJ advice to provide GFCI to IT equipment branch circuits. Will you accept or not?
Will not accept.
(IT equipment branch circuits should not have Ground-Fault Circuit Interrupter-GFCI (earth leakage type) breakers unless this is a specific requirement of the AHJ)
A minimum of two (2) non-switched AC receptacles for equipment power, each on individual branch circuits rated at minimum 1. _____ or 2. _____ based on country specific requirements.
- 16 A at 220V
- 20 A at 120 V
Formula to calculate Heat Dissipation.
Heat Dissipation = Total Power requirement (W) x 3.412
If heat loads are not available for individual equipment, determine the _____ of all equipment installed.
true power load
Telecommunication space shall be protected with a fire alarm system. True or False?
False
(A fire alarm should be provided according to applicable codes)
Telecommunications spaces shall be equipped with portable fire extinguishers approved by AHJ. True or False?
False
(Portable fire extinguishers shall be provided per AHJ requirement)
Fire protection system focus should be 1. _____ , 2. _____ and 3. _____. Type of fire suppression system shall be coordinated with the owner and AHJ.(preacon)
- prevention
- early warning
- containment
The recommendations for fire protection for the telecommunication space include:
a. Ensure electrical safety
b. Coordinating the layout of fire protection systems to avoid obstructing sprinklers, access to the alarm, or other protective measures.
c. Use fire-resistant building materials
d. Re-establishing the integrity of fire-rated structures (e.g., walls, floors, ceilings) shall be observed when penetrated by cables, pathways.
e. Rejecting fire-rated tape wrap.
f. Implement emergency communication systems
g. Installing firestop systems by qualified personnel.
b. Coordinating the layout of fire protection systems to avoid obstructing sprinklers, access to the alarm, or other protective measures.
d. Re-establishing the integrity of fire-rated structures (e.g., walls, floors, ceilings) shall be observed when penetrated by cables, pathways.
e. Rejecting fire-rated tape wrap.
g. Installing firestop systems by qualified personnel.
The recommendations for fire protection for the telecommunication space include:
a. Use pre-action sprinkler systems to minimize water damage.
b. Covering walls with two coats of fire-retardant white paint
c. Ensure electrical safety
d. Implement emergency communication systems
e. Using clean agent fire suppression systems.
f. Using early warning smoke sampling/detector and monitoring systems.
g. Use fire-resistant building materials
a. Use pre-action sprinkler systems to minimize water damage.
b. Covering walls with two coats of fire-retardant white paint
e. Using clean agent fire suppression systems.
f. Using early warning smoke sampling/detector and monitoring systems.
Locations (e.g., restrooms, kitchens) that are below or adjacent to areas of potential water ingress should be avoided. True or False?
True
Liquid carrying pipes (e.g., water, waste, steam) shall not be routed through, above, or in the walls encompassing the telecommunications space. True or False?
True
In telecommunications spaces, if water ingress risks are unavoidable, consider a _______ system with alarms to a manned location.
water leak detection system
License structural designer shall determine what floor loading will be needed for the equipment. True or False?
False (ICT distribution designer shall determine what floor loading will be needed for the equipment)
If multiple equipment grounding or intersystem grounding is necessary, a _____ shall be provided.
copper busbar
In telecommunication spaces. where the control of light should be located?
near the entrance
Providing electrical power for the lighting may come from the same circuits as the telecommunications equipment. True or False?
False (should not come from the same circuits as the telecommunications equipment)
light/s should be connected to normal power and shall not be connected to emergency power. True or False?
False (One light/s on normal power and one light/s on emergency power)
Locate light fixtures a minimum of _____ AFF.
2.6 m (8.5 ft) AFF
Telecommunications spaces in multi-floor buildings should be aligned vertically (stacked). True or False?
True
Telecommunications spaces should be located in areas that are dedicated to telecommunications use. Equipment that is not related to the support of telecommunications spaces (e.g., piping, duct work, distribution of building power) should not be located in or pass through a telecommunications space. True or False?
True
Telecommunications spaces should be located as near as possible to the center of the area to __________.
minimize cable lengths
One individual work area per _____ of usable floor space.
9.3 m² (100 ft²)
What is the minimum telecommunications space if the serving area is 465m² (5000ft²) or less?
3.0m (10ft) x 2.4m (8ft)
What is the minimum telecommunications space if the serving area is greater 465m² (5,000ft²) but less 743m² (8,000ft²)?
3.0m (10ft) x 2.74m (9ft)
What is the minimum telecommunications space if the serving area is greater 743m² (8,000ft²) but less 929m² (10,000ft²)?
3.0m (10ft) x 3.4m (10ft)
What is the minimum telecommunications space if the building area is less than 465m² (5,000ft²)?
Shallow rooms
What is the minimum telecommunications space if the building area is less than 93m² (1,000ft²)?
Wall cabinet or telecom enclosure
What is the typical shallow room size
2.6m x 0.6m
1m = _____ ft
3.28 ft
1 inch = _____ mm
25.4mm
1m² = _____ ft²
10.76 ft²
For existing installations and building retrofits, if the minimum size cannot be met, 1. _____ width by 2. _____ depth by 3. _____ height (inside dimensions) should be provided with sliding or double 0.914 m (36 in) doors for every 240, 4-pair cable terminations served.
- 1.83 m (6 ft) width
- 1.2 m (4 ft) depth
- 2.6 m (8.5 ft) height
A minimum clear space of _____ above and below the top and bottom of the connecting hardware for cable management.
127 mm (5 in)
Do not mount termination hardware closer than ______ to any corner.
152 mm (6 in)
Do not exceed _____ for patch cords, equipment cords, or jumpers in the (HC)
5 m (16.5 ft)
Do not exceed _____ total for patch cords/jumpers, equipment cords connected to the HC (FD), plus the work area equipment cord.
10 m (33 ft)
Jumpers, patch cords, and equipment cords do not exceed _____ for patch cords or jumpers that serve MC (CD) or IC (BD).
20 m (66 ft)
Racks or cabinets are recommended height is 1. __________ and have a rail size and top flange width of 2. ________.
- 2.1 m (7 ft)
- 483mm (19 in)
Each set of three holes creates a 1. _____ space of 2. _____.
- Rack Unit (RU)
- 49 mm (1.75 in)
In rooms with limited floor space, you can use __________ to compensate for the inability to add another rack or cabinet.
taller equipment racks, cabinets, or enclosures
Provide vertical cable management on at least one side of the rack or between the rack and the room wall. True or False?
True
When multiple racks are used, panels should be placed between each rack, with additional panels at left end row. True or False?
False
(When multiple racks are used, panels should be placed between each rack, with additional panels at each end)
Cabinets and enclosures should have __________ for cable management.
self-contained or integrated vertical cable management.
One RU patch panel to one RU horizontal cable manager is recommended. True or False?
False
(One RU patch panel to one RU horizontal cable manager plus one is recommended)
For angled patch panels, use proper horizontal cable management. True or False?
False
(For angled patch panels, use Vertical cable management)
All unused rack and cabinet spaces should have __________ installed.
blank panels
NOTE: Some mounting systems require rack widths greater than 483 mm (19 in) like 584 mm (23in). True or False?
True
Cabinets may be used to provide:
a. Cross-connection
b. Cable terminations
c. Physical and security protection.
d. Electromagnetic enclosure isolation.
e. Housing for telecommunications equipment
f. Dust and contaminant protection
c. Physical and security protection.
d. Electromagnetic enclosure.
f. Dust and contaminant protection
telecommunications spaces walls should have a _____ fire rating.
2-hour
telecommunications spaces walls should have be light in color to reflect light. True or False?
True
telecommunications spaces walls should have at least 1. _____ walls w/ 2. _____ plywood, 3. _____ high with a minimum thickness of 4. ______. Mount plywood 5. _____ AFF to prevent damage in the event of water ingress. Flush hardware and supports should be to secure plywood to the wall.
- two walls
- kiln-dried
- 2.4 m (8 ft) high
- 19 mm (0.75 in)
- 200 mm (8 in) AFF
Telecommunications space’s Plywood should be painted on all sides with at least two coats of fire-retardant colored paint. True or False?
False
(Plywood should be painted on all sides and within cutout areas with at least two coats of fire-retardant light-colored paint.)
TER and TRs are floor-serving or tenant-serving spaces that provide a connection between backbone and horizontal pathways. True or False?
False
(TRs and TEs are floor-serving or tenant-serving spaces that provide a connection between backbone and horizontal pathways.)
__________ is an enclosed architectural space for housing telecommunications equipment, cable terminations, and cross-connect cabling within the floor.
TR
__________ is a case for telecommunications equipment, cable terminations, cross connect cabling and is typically used to service a specific area of a building floor.
TE
The Company in a multi-storey building is planning to renovate their 1st floor office, base on initial horizontal distribution design the fartest outlet will require 160m length of cable. As ICT designer, what solution you will may recommend.
Multiple rooms are required if the cable length between the HC (FD) and the telecom outlet, including slack, exceeds 90 m (295 ft).
If the usable floor space to be served exceeds __________ , consider additional TRs.
929 m² (10,000 ft²)
You are assigned as ICT designer for a new company building project. The project is a three-storey building and you are asked for the number and typed of telecommunications spaces needed for the project. What should be the recommendation.
At least one TR or ER serves every building with a minimum of one TR/TE per floor.
Types of facilities that may be housed in the TRs (Except):
a. Horizontal Cross-Connect
b. Intermediate Cross-Connect
c. Network Equipment
d. Main Cross-Connect
e. Grounding System
f. Entrance Facility
d. Main Cross-Connect
A project has a scope to connect the Horizontal Cables with the Company’s Backbone cable terminated on the building. As ICT designer what type of cabling facility is need?
HCs (FDs)
In TR layout consideration design, If a substantial portion of the TR is dedicated to backbone cable distribution include _________ .
space for splicing and cable ladder racking
In TR layout consideration design, if more than one tenant is served from same TR, provide __________ .
Separation and identification of each tenant equipment and termination.
In TR layout consideration design, if an entrance facility is housed at the location, include __________ .
space for cabling protection, grounding enclosures and splice case.
A 2-storey office building houses four different companies. The service provider facility is available in the basement. As ICT designer what is your recommendation to connect each tenant to SP facility.
Consider providing separate TRs located in or directly accessible to each tenant’s leased space.
The owner ask you to evaluate if you can relocated the the TR equipment inside the ER to save the space for the new office as expansion is not possible. As ICT designer what is your assessment and response?
In some cases, it may be necessary to combine the building and floor-serving functions of the ER and TR in one room especially for smaller buildings and those with limited space for distribution facilities.
__________ is simply a case or housing for telecommunications equipment, cable terminations, and cross-connect cabling.
TE
In TE, a minimum of 1. __________ dedicated, 2. __________ receptacle should be available.
- one
- non-switched duplex
The network equipment in telecom room was powered from a commercial power source and you are planning to add a standby power through UPS. As ICT designer, what is your recommendation should be added to the power system so that no interruption on the power source.
automatic switchover
In design, if sprinklers are required within the area of the TE, the sprinklers heads should be __________.
specified with a protective cover to prevent accidental actuation
A TE should not be installed were subject to leakage from fire suppression sprinklers. If cannot be avoided, a __________ shall be placed under the sprinkler pipes.
Drainage troughs
You are done installing a Telecom Equipment Enclosure along with the EMT conduit with busing, cables, active equipment and receptacles. As ICT designer what more should be considered to finalized the installation?
TE metallic part shall be bonded and grounded
TE may install inside a modular furniture cabinet as long as it is securely mounted and fixed to furniture. True or False?
False.
(The TE should not be installed in furniture systems unless that unit of furniture is permanently secured to the building structure)
Pathways may pass through TEs and Terminated using approve HC hardware. True or False?
False.
(Pathways shall not pass through TEs).
A TE should serve an area not greater than __________.
334 m² (3600 ft²)
__________ is an environmentally controlled centralized space for telecommunications equipment that usually houses an MC (CD) or IC (BD)
ER
What are the differences of TRs to ERs:
a. ERs are generally considered to serve a building, campus, tenant, or SP, whereas TRs serve a floor area of a building.
b. TRs are generally considered to serve a building, campus, tenant, or SP, whereas ERs serve a floor area of a building.
c. ERs may house MC, IC & HC, whereas TRs only houses HC
d. b & c
e. a & c
f. a & b
f. All of the above.
e. a & c
__________ is a type of telecommunication space that may be connected to backbone pathways that run both within and between buildings.
ERs
ER may include workspace for telecommunications personnel. True or False?
True
As ICT designer, are you going to allow a desktop workstation in ER to perform network maintenance. Yes or no?
No.
(Although desktop placement may be suitable for some equipment, ICT distribution designers should avoid this practice for telecommunications equipment that is used to perform network functions or serve the user community (e.g., LAN servers).)
ER usually serves an entire building, many building designs use more than one ER to provide one or more of the following:
a. To provide connection flexibility
b. Separate facilities for different types of equipment and services
c. Redundant facilities and disaster recovery strategies
d. To cluster the tenant users base on application use.
e. To distribute evenly the horizontal cabling to avoid over crowding in single ER.
f. A separate facility for each tenant in a multi-tenant building
g. A separate facility for each Access Provider and Service Provider
b. Separate facilities for different types of equipment and services
c. Redundant facilities and disaster recovery strategies
f. A separate facility for each tenant in a multi-tenant building
g. A separate facility for each Access Provider and Service Provider
In some cases, an MC may also contain the EF (for campus backbone, APs, or both) and serve as a TR. True or False?
False
(In some cases, an ER may also contain the EF (for campus backbone, APs, or both) and serve as a TR)
An MC may provide any or all the functions of a TR or an EF. True or False?
False
(An ER may provide any or all the functions of a TR or an EF.)
Horizontal and backbone cables shall be permanently terminated on connecting hardware that is securely mounted. True or False?
True
In Telecom Spaces with different cable types, how to facilitate changes and minimize the lengths of patch cords, jumpers, and equipment cables?
terminate cables of the same type adjacent to each other
If multiple types of cables are used, they may be installed in the same areas within the ER as long as proper identification is provided. True or False?
False.
(If multiple types of cables are used, they should be installed in distinct areas within the ER)
The design of a new ER shall begin with an initial assessment with the factors:
a. Customer requirements.
b. Provisions for future expansion
c. Telecommunications pathway locations.
d. Access Provider and Service Provider requirements.
e. Equipment type and size
f. Environment/facility conditions and resources.
g. Equipment delivery access and clearance
h. Building requirements.
a. Customer requirements.
c. Telecommunications pathway locations.
d. Access Provider and Service Provider requirements.
f. Environment/facility conditions and resources.
h. Building requirements.
The major factors that shall be considered when choosing the location for an ER:
a. Space required for the equipment.
b. Building requirements.
c. Provisions for future expansion.
d. Delivery Access.
e. Building facilities that serve and are served by the ER.
f. Size and type of user.
g. Access Provider requirements.
h. Security and work safety.
a. Space required for the equipment.
c. Provisions for future expansion.
d. Delivery Access
e. Building facilities that serve and are served by the ER.
g. Access Provider requirements.
The major factors that shall be considered when choosing the location for an ER:
a. Proximity to Electrical Power Service
b. Sources of EMI.
c. Entrance Facility (EF) Requirements
d. Most economic and reliable
e. Security and work safety.
f. Access to Cable Pathways
g. Floor loading.
h. Size and type of user
a. Proximity to Electrical Power Service
b. Sources of EMI.
c. Entrance Facility (EF) Requirements
f. Access to Cable Pathways
g. Floor loading.
Place the ER at a location that minimizes the 1. __________ & 2. __________:
- Size and length of the backbone cables, especially in multiple-backbone situations.
- Length of horizontal cable
Considering the delivery Access for ER, the following should be considered when choosing its location and designing its layout
a. Accessibility
b. Size of doors
c. Spaces that cannot be traversed by pathways
d. Ceiling height
e. Weight capacity of floors
f. Corridors
g. traffic
a. Accessibility
b. Size of doors
e. Weight capacity of floors
f. Corridors
In some cases, an ER design shall allow the reuse of existing telecommunications equipment or cabling. Although the selection of an ER location may be influenced by the location of existing telecommunications facilities, consider the long-term benefits of a properly located and designed facility that is capable of meeting present and future needs. True of False?
True
Minimize the length of the electrical power feeds from the electrical service entrance to the ER to __________ and __________ ):
a. minimize the EMI emission.
b. avoid collision with horizontal cables
c. aid in designing optimal bonding and grounding arrangement.
d. minimize bonding and grounding disturbances
f. avoid voltage drop in the power cable line.
c. to aid in designing optimal bonding and grounding arrangement.
d. to minimize bonding and grounding disturbances
Electrical outlet in Telecom Space should have spacing of __________ to each other.
1.83m (6ft)
In a multi-tenant building, whenever possible, each tenant should have a dedicated ER. True of False?
True
In a multi-tenant building, If a dedicated ER is not possible for each tenant, the recommendation is to get direct service from SP. True of False?
False
(In a multi-tenant building, If a dedicated ER is not possible for each tenant, lockable cabinet(s) should be specified for each tenant.)
In a multi-tenant building,, when multiple tenants share ERs, each tenant should be given control with equal access. True of False?
False
(In a multi-tenant building,, when multiple tenants share ERs, the building owner or agent shall control access)
In a Multi-Tenant Buildings with shared ER, an access control guidelines was imposed with all tenants regarding the access to equipment room. Acceptable or not acceptable.
Acceptable
(Access control guidelines will need to be discussed with all tenants who share the space to mitigate security concerns)
The ICT distribution designer should not locate ERs in any place that may be subject to:
a. excessive EMI.
b. Water or steam infiltration.
c. Humidity from nearby water or steam.
d. Floor Flooding
e. Heat (e.g., direct sunlight).
f. Any other corrosive atmospheric or adverse environmental conditions.
g. Excessive horizontal and grounding cable route.
h. a, c, f and g
i. b, c, e and f
j. All of the above
i. b, c, e and f
b. Water or steam infiltration.
c. Humidity from nearby water or steam.
e. Heat (e.g., direct sunlight).
f. Any other corrosive atmospheric or adverse environmental conditions.
COMPANY Building A laid a cable to COMPANY Building B to connect to ER that houses SP equipment. To comply with standard, each equipment should be tagged. Acceptable or not acceptable.
not acceptable.
(Shared use of ER space with other building facilities shall be avoided)
Locations that are unsatisfactory for ERs:
a. Access door to Mechanical rooms.
b. Washrooms inside ER
c. Beside custodial closets
d. ER with Storage rooms
e. ER is located adjacent to loading docks.
f. Beside Shear walls.
g. Any area that contains sources of excessive EMI, hydraulic equipment, and other heavy machinery.
h. Beside elevator shafts and stairs.
i. b, f, g and h
j. All of the above
j. All of the above
In some case, ER may be provided with door between Electrical and mechanical room as long as the door will be provided with Access Control. True of False?
False
(The ICT distribution designer should avoid using the ER as a means of accessing the spaces listed above or using the spaces listed above to access the ER)
Each set of three holes creates a rack unit space of _____ .
49 mm (1.75 in)
You will need 3.0m (10ft) x 2.4m (8ft) telecom room if the serving area is __________?
465m² (5000ft²) or less
You will need 3.0m (10ft) x 2.74m (9ft) telecom room if the serving area is __________?
greater 465m² (5,000ft²) but less 743m² (8,000ft²)
You will need 3.0m (10ft) x 3.4m (10ft) telecom room if the serving area is __________?
greater 743m² (8,000ft²) but less 929m² (10,000ft²)
Considering the delivery Access for ER, the following should be considered when choosing its location and designing its layout (choose-4):
a. Elevators or hoists for vertical transport of equipment
b. Loading docks
c. Other access routes to the ER
d. Ceiling height
e. Spaces that cannot be traversed by pathways
f. Traffic
g. Any potential difficulties in scheduling the use of these routes and facilities for moving large equipment during installation or future changes
a. Elevators or hoists for vertical transport of equipment
b. Loading docks
c. Other access routes to the ER
g. Any potential difficulties in scheduling the use of these routes and facilities for moving large equipment during installation or future changes
The ICT distribution designer should consider all manufacturers’ guidelines when designing the ER layout. True or False?
True
ER size of at least ___________m x __________m should be allocated.
3m x 4.9 m (10 ft x 16 ft)
What is the formula of ER sizing?
ER size = No. of IWA (0.007m²) + No. of BAS (0.023m²)
No. of IWA = total UFSA/9.3m²
No. of BAS = total FSA/23.2m²
In a office building, if there are fewer than 200 IWA, the ER smallest area shall be no less than __________.
15m² (160 ft²)
Hospitals & hotels having fewer than 200 IWA should follow the minimum ER size. True or False?
False
(hospitals, hotels, ER size requirements may vary)
When designing equipment layouts, the ICT distribution designer should review all manufacturer’s documentation for all specifications, including the: choose-3
a. Weight of equipment.
b. EMI Requirement
c. Equipment Accessibility
d. Physical dimensions.
e. Equipment warranty
f. Number of Rack Units
a. Weight of equipment.
d. Physical dimensions.
f. Number of Rack Units
When designing equipment layouts, the ICT distribution designer should review all manufacturer’s documentation for all specifications, including the (Choose-3):
a. Seismic requirement
b. Temperature requirement
c. Clearances.
d. Cable management (e.g., vertical, horizontal).
e. Dust protection and isolation requirement
f. Installation requirements.
c. Clearances.
d. Cable management (e.g., vertical, horizontal).
f. Installation requirements.
When designing equipment layouts, the ICT distribution designer should review all manufacturer’s documentation for all specifications, including the (Choose-3):
a. EMI Requirement
b. Power requirements (e.g., ac, dc).
c. Dust protection and isolation requirement
d. Humidity Requirement
e. Cable management (e.g., vertical, horizontal).
f. Installation requirements.
b. Power requirements (e.g., ac, dc).
e. Cable management (e.g., vertical, horizontal).
f. Installation requirements.
__________ commonly are used for routing equipment and backbone cables between cross-connects, equipment, and backbone pathways.
Cable tray or ladder rack systems
For cable ladder/tray installation, a minimum of 1. __________ above access headroom is required, with 2. __________ recommended.
- 203 mm (8 in)
- 305 mm (12 in)
The project is to renovate the ground floor of a 3-storey building. The reason for the renovation is to expand and free spaces for the additional room. Although, doing this project is still not enough to accommodate the requirement. You was assigned as ICT Designer to work on telecommunication scope. And your initial observation was the ER has a workstation space for telecommunications personnel working. As new ICT designer are you going to suggest to remove the workspace. Yes or no?
No.
(If workspace is planned for telecommunications personnel, it should be limited to those who work within the ER)
You are involved in a renovation project and the Architect ask you to coordinate with Electrical, Mechanical and Fire Protection regarding the ER layout. As ICT designer do you agree with this recommendation? Yes and no?
Yes
(Coordinate tray locations with lighting, air-handling systems, and fire suppression systems so that fully loaded trays will not obstruct or impede their operation.)
An ER is locate adjacent to Service provider room. The SP room was configured with false ceiling and raised floor. The plan is to bring all bunch of connections from old SP room to the new SP room via routing two 4 inch EMT conduit under raised floor. And you was assigned to evaluate the initial plan. Is it acceptable or not?
Not
(Access floors (raised floors) are used to route equipment cables to cross-connects in large ERs.)
Type of cable with special insulation that has low smoke and low flame characteristics
plenum rated cable
When cooling or return air is provided under access flooring, all cabling must be riser rated. True or False?
False
(Plenum rated)
When using the space under raised floors for routing communications, ground, or ac power cables, careful consideration needs to be given to its design becasue….
It could create air flow dams when the space is also to be used as an HVAC system air supply or return plenum.
You are planning to route a Optical Fiber Optic cable under the access floor. What should be consider to provide cable management and protection to the cable?
should be placed into a separate trough system specifically designed as an optical fiber cabling pathway in order to protect the cabling from damage.
If ER walls are needed for such cable routing, what should be considered?(choose 1)
a. provide proper cable management.
b. ensure no obstruction and free from any cable kinks.
c. allocate suitable wall space and allow for growth.
d. should be properly installed and managed to avoid transmission degradation
e. Check proper installation of cable as per manufacturer recommendations.
c. allocate suitable wall space and allow for growth.
__________ that mount on walls, racks, cabinets, or enclosures are useful for providing cable management between connecting hardware and the primary distribution pathways (e.g., overhead cable trays) within the ER.
Cable routing systems
Slots and sleeves are the most common methods for routing cable through building walls and floors. A minimum of ___________ sleeves with at least one spare sleeve should be provided.
Four (4) - 103 mm (4 in)
Which is true, slots and sleeves should be specified before the building is constructed because coring holes through existing concrete:
a. Is not that expensive.
b. Accommodate change poorly
c. Can avoid dust or water damage.
d. Can compromise structural integrity.
e. Have limited bulk capacity.
f. Prone to obstruction with other facilities.
d. Can compromise structural integrity.
Conduits are a common method for routing cable through building walls and floors. Specify __________ at the conduit ends to avoid damage to cable sheaths.
bushings
Although conduits may be used both within and between ERs, they generally are not recommended for cable distribution within ERs (unless required by code) because conduits (Choose-3):
a. Are expensive.
b. Accommodate change poorly
c. Hard to bend during installation
d. Can compromise structural integrity.
e. Have limited bulk capacity.
f. Prone to obstruction with other facilities.
a. Are expensive.
b. Accommodate change poorly
e. Have limited bulk capacity.
In ER, locate cross-connects near the end of the backbone pathways to __________.
To minimize the need for cable routing in the ER.
Telecommunications equipment is sensitive to electrical power fluctuations. The ICT distribution designer should consider providing (choose the correct):
a. Dedicated branch circuits serving individual racks.
b. Shared electrical power feeders.
c. Power conditioning.
d. Backup Air Conditioning.
e. Effective Electrical bonding and grounding infrastructure.
c. Power conditioning.
As ICT designer how you will design the power for the rack, cabinet, or enclosure?
Should be fed from an electrical subpanel with its own overcurrent protection device (e.g., circuit breaker).
NOTE: individual allocation of branch circuit conductors or receptacles in each rack or cabinet increases the likelihood of overloading the branch circuit, causing the overcurrent device (circuit breaker) to trip. True or False?
False.
NOTE: Sharing or daisy-chaining any branch circuit conductors or receptacles increases the likelihood of overloading the branch circuit, causing the overcurrent device (circuit breaker) to trip. True or False?
Using 1. _____ minimizes electrical interference between systems. 2. _____ reduces the chance that electrical noise and impulses generated by the other loads that mayl degrade the performance of the telecommunications equipment.
- dedicated circuits
- Separating feeders
Separate feeders greatly enhance equipment operation and has a cheaper initial installation. True or False?
False.
Although their initial installation cost is higher, separate feeders greatly enhance equipment operation.
It is strongly recommended that backup power be provided in the ER in the event of a power failure. True or False?
True
as ICT distribution designer, never allow the standby power (e.g., a UPS or generator) to connect to the electrical circuits that feed the ER. True or False?
False.
If standby power (e.g., a UPS or generator) is available in the building, the ICT distribution designer should consider connecting it to the electrical circuits that feed the ER
TRs should not be connected to a backup generator that is dedicated to emergency or legally required loads unless otherwise required or allowed by applicable codes. True or False?
True
ER shall have either dedicated HVAC equipment or access to the main building HVAC delivery system with __________ from other rooms in the building.
separate controls
If a building’s HVAC system cannot ensure continuous operation, a __________ with independent controls should be provided.
stand-alone HVAC unit
Telecommunications equipment is sensitive to electrical power fluctuations. The ICT distribution designer should consider providing (choose the correct):
a. Dedicated branch circuits serving individual racks.
b. Shared electrical power feeders.
c. Power conditioning.
d. Backup Power.
e. Effective Electrical bonding and grounding infrastructure.
c. Power conditioning.
d. Backup power.
(a. Dedicated branch circuits serving individual outlets.
b. Dedicated electrical power feeders.
c. Power conditioning.
d. Backup power.
e. Effective Telecommunications bonding and grounding infrastructure.)
If an emergency power source is available in the building, connect the HVAC system that serves the ER to the power source. True or False?
True
The HVAC system should be tuned to maintain a __________ pressure.
positive air
HVAC sensors should be installed __________ AFF.
1.53m (5ft) AFF.
Choose the correct 2 answers:
a. The HVAC designer shall consider the heat produced by each piece of equipment (e.g., BTU) that will be placed in the ER.
b. Air return systems are required to minimize particle levels in the air.
c. To ensure that the warranties on equipment remain in force, the ICT distribution designer should keep the the receipt and all transaction records
d. If site constraints make it impossible to follow the instructions or requirements, consult the manufacturer about alternatives that will not void the warranty.
e. A good practice is to assemble a binder for the ER that contains equipment, HVAC, structural, ac power, UPS, and alarm monitoring system warranties and specifications.
d. If site constraints make it impossible to follow the instructions or requirements, consult the manufacturer about alternatives that will not void the warranty.
e. A good practice is to assemble a binder for the ER that contains equipment, HVAC, structural, ac power, UPS, and alarm monitoring system warranties and specifications.
(a. The ICT distribution designer shall consider the heat produced by each piece of equipment (e.g., BTU) that will be placed in the ER.
b. Filtration systems are required to minimize particle levels in the air.
c. To ensure that the warranties on equipment remain in force, the ICT distribution designer should follow the manufacturer’s instructions and requirements exactly.
d. If site constraints make it impossible to follow the instructions or requirements, consult the manufacturer about alternatives that will not void the warranty.
A good practice is to assemble a binder for the ER that contains equipment, HVAC, structural, ac power, UPS, and alarm monitoring system warranties and specifications.)
HVAC systems can have alarm wiring capabilities. At a minimum except one:
a. power loss
b. high and low temperature,
c. high and low humidity
d. smoke detection.
e. Waste water leak
f. compressor failures
g. water flooding.
e. Waste Water leak
A __________ should be built around the HVAC system to ensure that condensate does not leak to other areas of the ER instead of flow into the drain.
manufactured condensate pan, or barrier
As ICT distribution designer your design should conform with industry standard. As much as possible, don’t let other discipline or personnel to influence the design to prevent increase of cost and unnecessary addition of facilities inside the ER. True or False?
False
(The ICT distribution designer should review the ER design with the architect, engineers, building owner, property manager, and customer before proceeding with the buildout and equipment installation.)
Equipment should not be installed until the room is clean, meaning that all other trades have completed their construction work for the room. True or False?
True
When the equipment installation is completed, all work should be inspected. The ICT distribution designer should:
a. Power up the equipment and test for any faulty wiring.
b. Secure warranty and manual documents and place it inside the cabinet
c. Check workmanship for safety, standards, and codes compliance.
d. Check for cleanup.
e. Check for compliance with construction documents using a checklist
f. Check the installation manual compliance
c. Check workmanship for safety, standards, and codes compliance.
d. Check for cleanup.
e. Check for compliance with construction documents using a checklist
The EF can be located within a separate room or within the ER. If the EF is within the ER, __________ should be considered.
additional space shall be designed within the ER.
The type and location of the entrance depend upon the (Choose-4):
a. Type of facility being used.
b. Height of floor slab
c. Path the facility follows.
d. Building architecture.
e. Number of cables
f. Equipment Location
g. Aesthetics.
a. Type of facility being used.
c. Path the facility follows.
d. Building architecture.
g. Aesthetics.
To ensure that the warranties on equipment remain in force, the ICT distribution designer should follow the industry installation guidance. If site constraints make it impossible to follow the instructions or requirements, do not enforce the and issue letter to AHJ to resolve the issue. True of False
False.
(To ensure that the warranties on equipment remain in force, the ICT distribution designer should follow the manufacturer’s instructions and requirements exactly. If site constraints make it impossible to follow the instructions or requirements, consult the manufacturer about alternatives that will not void the warranty.)
If acceptable alternatives can be agreed upon, the manufacturer should be __________.
asked to acknowledge the alternatives in writing.
Within the ER’s HVAC pan or barrier, a set of contacts is installed, which sets off an alarm notifying personnel that condensate is not properly draining out of the building. True or False?
True
