_____ cabling provides interconnection between TRs, ERs, main terminal space & EF (entrance facilities)
backbone
horizontal
riser
To confine the light within the core by creating a reflective boundary is the purpose of the _______
cladding
buffer
acrylate
This space is a special purpose room that provides and maintains a suitable operating environment for large telecommunications equipment
ER
EF
TR
TE
During a retrofit, it is not required to remove all abandoned cable
This space should not serve more than 3,600 sq/ft
What is the most common specialty fastener used in ITS cabling
j-hook
toggle bolt
drive ring
bridal ring
Interbuilding circuits are considered to have lightning exposure unless 1 or more conditions exist (select all correct)
Buildings close together and sufficiently high
Cable run is 140ft or less (underground or in conduit)
Area having an avg. of 5 or fewer t-storms per year and earth resistivity less than 100 ohms
The ITS installer is allowed to add more firestopping product to get a higher rating
Cross-Connect Field Colors: Future (Key Telephone Systems)
Red
Yellow
Gray
Purple
What is used to flush electrolyte burns to the skin
water
milk
sodium bicarbonate
What is the minimum separation of telecommunications cabling and electric motors & transformers
12 inches
36 inches
48 inches
60 inches
This firestop material has the ability to absorb heat to prevent the temperature from rising on the other side of the fire barrier
endothermic
ablative
intumescent
Where does the SCS begin
where the SP terminates
What is the signal range for POTS
300Hz-3400Hz
300MHz-3400MHz
20Hz-20,000Hz
This type of protector has a reaction time of 1-2 ns
fire & data
carbon
gas
solid state
Cross-Connect Field Colors: Interbuilding Backbone
brown
gray
white
purple
The frequency of CAT5e is
100MHz
250MHz
500MHz
150MHz
The frequency of CAT3 is
16MHz
20MHz
50MHz
The frequency of CAT6a is
350MHz
The frequency of CAT6 is
How many pairs are in a super group
600
100
400
300
How many binder groups are in each super group
12
24
50
25
What are the 2 common methods of terminating balanced twisted pair cable (select all correct)
IDC
IPC
RJ45
Punch Down
Which of the following cables meet the minimum requirements for cabling to a work area (select all correct)
4 pair, 100 Ohm CAT5e cable
4 pair, 100 Ohm CAT6 cable
2 or more strands of 62.5 or 50 (OM1 or OM2)
2 or more strands of singlemode
Why is undercarpet cable not recommended (select all correct)
susceptibility to damage
limited flexibility for moves, adds or changes (MACs)
poor cable performance
damages carpet
The interconnection between undercarpet cable and horizontal cable is called what
TP (transition point)
CP (consolidation point)
MUTOA
If using undercarpet cable, what is recommended maximum length of the cable
33ft
50ft
20ft
100ft
What are the common modular connectors used in ITS (select all correct)
4P4C
6P6C
8P8C
What are the most predominant coaxial cables (select all correct)
Series 6
Series 59
Series 11
RG6
RG58
RG59
The F connector is the most commonly used connector for residential cable service
What are the common BNC connector types (select all correct)
3 piece crimp
1 piece compression
screw-on
What is the maximum pulling tension of 4-pair, balanced twisted pair cabling
25 pounds-force (lbf)
20 pounds-force (lbf)
30 pounds-force (lbf)
What is the minimum bend radius of 4 pair cable
4 times cable diameter
5 times cable diameter
4 inches
5 inches
What is the recommended service slack for 4-pair cables at the work area
24 inches
What is the recommended service slack for a 4 pair cable in the TR/ER
farthest corner of room plus floor to ceiling
length of backboard plus floor to ceiling
15 feet
10 feet
What is the recommended service slack for multipair cable in a TR/ER
farthest corner plus floor to ceiling
20 feet
What is the recommended service slack for 4 pair & multipair cable at a TE
10ft
15ft
6.6ft
The tensile strength of pull string is typically
75-200 lbf
100-200 lbf
50-100 lbf
75-150 lbf
A pull string should be attached to cable with what type of knot and how many knots
3 half hitches
2 half hitches
3 square knots
2 square knots
Structural steel members (red iron) can be used to support cables if they are spaced 4-5ft
What are the common splice connectors for copper (select all correct)
straight through
butt splice
half tap
What are the common splice enclosures (select all correct)
straight
butt
branch
Which copper splicing method allows the conductors to be folded into the splice and allows for maintenance, rearrangement and transfer of the conductors
Inline
Foldback
Butt
Branch
What is the minimum bend radius of a 4 pair balanced twisted pair cord
1x patch cord diameter
4x patch cord diameter
2 inches
What is the minimum bend radius of a multipair cable
follow manufacturer specifications
10x diameter of cable
15x diameter of cable
Cable pair twists for CAT3 must be maintained to within ____________ of termination
3 inches
1 inch
.5 inches
Cable pair twists for CAT5e or higher must be maintained to within ____________ of termination
.25 inches
.75 inches
110 blocks come in increments of ________ pairs (select all correct)
900
BIX blocks come in increments of ________ pairs (select all correct)
250
Field terminated patch cables are not recommended for CAT5e
What is the most common video connector in the industry
F
BNC
N
HDMI
Specification and visual inspection is what phase of testing
Phase 1
Phase 2
Phase 3
Testing with various test equipment is what phase of testing
Documentation is what phase of testing
Except in particular cases, what is the maximum length of equipment cords
16.5ft
5ft
A consolidation point will extend the horizontal cabling length
What is the maximum amount of work areas that a MUTOA should serve
10
20
A minimum of 1 dedicated, non-switched duplex receptacle should be available for equipment in each _________
What is the maximum square footage a TE should serve
3600
5000
2400
4000
What is minimum recommended cable tray width for an ER, TR or EF
18 inches
6 inches
Which grade of plywood has knotholes without any repair
Grade A
Grade B
Grade C
Grade D
Which grade of plywood contains some blemishes and the occasional knothole
Which grade of plywood has the knotholes cut out and replaced with a patch of clean wood
Which grade of plywood is the highest grade and is without any surface blemishes
Which grade of plywood should be used for ER, TR & EFs
A/C
A/B
A/A
A/D
How many walls should have plywood installed
2
3
4
Select all that apply to backboards in ERs, TRs & EFs
3/4" thick plywood
at least 2 coats of fire retardant paint
minimum 1/4" toggle bolts
toggle bolts should be spaced 24 inches
toggle bolts should be 2 inches from the edge of the plywood
plywood should be mounted 6 inches AFF
Most ITS installations will require a 19 inch by 7 ft rack
What are the common depths of racks (select all correct)
4 inch
6 inch
8 inch
What are the popular thread sizes for racks/cabinets (select all correct)
M5
M6
10-32
12-24
What is the preferred size of patch panels
48 port
24 port
2u
1u
What are the reasons that FMT is not recommended (select all correct)
creep
shift
damage cable sheath
If using FMT, what rules must be followed (select all correct)
up 1 trade size
limit to 20ft
no more than two 90 degree bends
How many 90 degree bends are allowed in conduit segment
If more than two 90 degree bends are needed, what must be done (select all correct)
run is not longer than 33ft
increase conduit 1 trade size
install one 90 degree bend within 12 inches of feed end
When conduits enter a TR through the floor, how far should they protrude
2-4 inches
1-3 inches
What are the 3 common depths of basket tray (rod stock tray) (select all correct)
1
6