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