bisci chapter 5 Flashcards
Which of the 2 standard modular jack pin/pair assignments is optional?
T568B
What type of equipment is used to determine the length of UTP or coaxial cable, where the NVP is known?
TDR
When installing F/UTP (ScTP) cable, bonding the drain wire to ground is optional.
False
Select the appropriate description of a Branch and Butt splice.
Branch Splice → 3 or more cables entering form any direction,
Butt Splice → 2 or more cables entering from the same side
What does SFF stand for?
Small Form Factor
ASED ON “THE A-B-C’s OF FIBER POLARITY” HANDOUT: Method A for duplex applications, making the transceiver-receiver flip for Position 1 (Tx) to Position 2 (Rx) is required in a patch cord at one end. This is achieved with a A-A patch cord
true
BASED ON “POLARITY AND MPO” HANDOUT: Which duplex fiber patch cords are considered cross-over type?
a-to-a
BASED ON “FIBER CABLE” HANDOUT: Please select the appropriate cable to the densities provided
Highest density → Ribbon,
Second highest density → Loose-tube,
Lowest density → Breakout,
Second lowest density → Distribution (Tight-buffered)
BASED ON TRADE KNOWLEDGE: An optical fiber cable is to be placed under a paved private driveway. Which of the following installation methods results in the least repairs to the driveway?
Horizontal Boring
Series-11 and Series-6 are the only coaxial cables that can use ‘F” connectors.
False
BASED ON “POLARITY AND MPO” HANDOUT: Please select the appropriate description for the following MPO adapters.
Type A → Key-up to key-down,
Type B → Key-up to key-up
what is the appropriate minimum radius bend for
4-pair UTP horizontal
4 times the cable OD
what is the appropriate minimum radius bend for
25-pair UTP backbone cable
10 times the cable OD
what is the appropriate minimum radius bend for
4-strand fiber cable at rest
1 inch inside bend radius
what is the appropriate minimum radius bend for
12-strand intrabuilding fiber cable under at rest
10 times the cable OD
what is the appropriate minimum radius bend for
96-strand interbuilding fiber cable under stress
20 times the cable OD
What are the 3 benefits of fusion splicing over fiber termination technology?
Reduced cost,
Reduced attenuation,
Reduced reflectance
Select 2 coaxial cable types used on CATV
Series-6,
RG-59
Select all the methods that are used to terminate fiber connectors.
Heat-cured epoxy termination,
Heat-activated adhesive,
UV light-cured termination,
Crimp termination,
Pre-polished connectors,
Anaerobic termination
BASED ON TRADE KNOWLEDGE: List in sequence of use, the tools required to prepare a jacketed singlemode cable for termination on an anaerobic connector.
Scissors, Jacket Strippers, Scissors, Buffer Stripper, Alcohol Wipe, Scribe, Polishing Jig, Lapping Film, Inspection Scope.
Choose the appropriate termination methods for Stranded conductor
IPC
Choose the appropriate termination methods for Solid conductor
IDC
What type of coaxial connector can only be terminated on cables with a solid center conductor?
F Connector
Which two pairs and pin assignments are swapped in a T568A to T568B crossover cable
2-3
1-3
2-6
BASED ON TRADE KNOWLEDGE: Which of the following cable pulling lubricants provide the lowest pulling tension?
Silicone-based
BASED ON TRADE KNOWLEDGE: List in sequence of use, the tools required to terminate at a wall outlet, a single category 5e cable to a 110 jack.
Scissors, Jacket stripper, Scissors, 110 punch down tool, Screwdriver
BASED ON “THE A-B-C’s OF FIBER POLARITY” HANDOUT: TIA-568-C standard recommends the A-B polarity scenario for duplex patch cords
True
Other than an F connector, what type of coaxial cable uses a large threaded coupling nut?
N connector
What 3 additional components does a screened/shielded cabling system require?
A metal screen/shield typically surrounds each modular connector,
Each Plug has a metal shield surrounding it,
Screened/shielded cables typically include a drain wire and a foil screen
An adapter can be used to mate 2 male MPO connectors together.
False
BASED ON “POLARITY and MPO” HANDOUT: Select the following to describe fiber position one (1) on a male MPO connector is by viewing the connector face.
Key → up,
Positon 1 is on the → left,
A white dot on one side denotes position → 1
What are the 3 combination of buffer sizes that may be used om mechanical splices?
250 to 250,
250 to 900,
900 to 900
the Inline splicing method should be used when rearranging is not needed.
True
The half-tap module allows a second cable to be spliced into the middle of an existing cable without service interruption.
True
Please select SM or MM for the connector colours provide below
Aqua
Beige
Blue
Green
Black
Aqua → MM,
Beige → MM,
Blue → SM,
Green → SM,
Black → MM
When terminating UTP cable, how much cable sheath should be removed?
Only as much as necessary to terminate
Describe what 8P8C represents.
8P → 8 position,
8C → 8 contact
What is the minimum bend radius for a 2-strand fiber patch cable?
1 inch
A 6P6C modular connector is used on 4-pair twisted cable.
false
Which one of the following is not a common optical fiber connector
BNC
Two x 4-pair cables and 2 x 25-pair cables are bundled together. What is the minimum bend radius of the bundle?
10 times the largest cable OD
Select 3 types of connectors used on coaxial cable.
BNC,
F Connector,
N Connector
Match the following to describe how contact pin-1 of a jack is identified.
The jack is viewed from → the front,
The contact pins are → up,
The locking tab indentation is → down,
Pin 1 is on → the left