Practice exam 4 Flashcards
You should never look directly into the end of fiber cables especially with a microscope, until you are certain there is no light being transmitted down it
True
What is the maximum manufacture allowed arc count for the electrodes in a fusion splicer before it is recommended that the electrodes be replaced before they become rounded or corroded
1000
What is the diameter of a SC connector ferrule
2.5
The first event on and OTDR trace is known as
Dead Zone
For long-haul fiber runs which type of fiber has less loss and more bandwidth
Single Mode
What does “V” and “F” stand for in VFL
Visual
Fault
What is the term for the material used to polish the end face of connectors
Lapping Film
The Kevlar jacketing surrounding the optical fiber cable serves what purpose
Strength and protection
Mechanical spices in pre-polished connectors use what, to reduce loss from back reflections
Index Matching Gel
The infrared light used in fiber optic’s transmissions are viewable to the naked eye
False
The last event on an OTDR Trece is known as what
Noise Floor
An _______ test is performed by the fusion splicer when the equipment is first turned on, before starting daily splicing operations, and after replacing the electrodes
Arc
What is the name of the connector pictured below
LC Connector
Name the type of connector in the individual parts that make it up shown below
- Dust caps
- Connector housing
- Connector assembly
- Crimp sleeve
- Strain relief
The maximum insertion loss for a mated connector pair, as stated in the Optical Fiber Cabling Components Standard (ANSI/TIA-568-C.3) for commercial buildings, is how much
0.75db
________ is reduced significantly by using Physical Contact(PC) or Angled Physical Contact(APC) ferrule finishes
Connector back Reflection
Periodic and traceable calibrations are required by which piece of test equipment
Optical Power Meter
What tool is used to cut optical fibers in such a way that ends are cut to within 2° perpendicular
Precision Cleaving Tool
It is not important to keep splicing environment as clean as possible
False
The TIA/EIA GR-326 CORE specification states that fiber optic connectors have a repeatability value (10 repeated connections or cycles) of not greater ________
0.2dB
What is used to provide a central location for cross connecting, monitoring or testing a fiber connection
Patch Panel
What item is used, primarily by outside plant personnel, for the splicing and routing of optical cables
Splice Closure
A microscope can confirm fiber continuity of a short distances
False
Name the test instrument used for the testing of fiber optic cable spans, and includes loss per kilometer and total distance of span measurements
OTDR- Optical Time Domain Reflectometer
What general factor must fiber optic installers must consider when installing fiber optic cable’s
Individual Building Codes
