Describe an optical fiber cable component (OFCC).

Describe an optical fiber cable component (OFCC).
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1 Answer

Answer :

OFCCs are tight-buffer fiber surrounded by arimid yarn and a  low-halogen outer jacket.
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Related questions

OFCC, stranded, and ribbon cables have different fiber worst bend performance?

Description : OFCC, stranded, and ribbon cables have different fiber worst bend performance?

Last Answer : Ribbon.

If an installed optical fiber cable does not have connectors or terminations on both ends, how should the cable be tested?

Description : If an installed optical fiber cable does not have connectors or terminations on both ends, how should the cable be tested?

Last Answer : With an OTDR unless it is less than 50 meters in length. If it is less than 50 meters in length, continuity should be verified with a flashlight.

When is an optical power meter measurement recommended for conducting field measurements on installed optical fiber cables or cable plants?

Description : When is an optical power meter measurement recommended for conducting field measurements on installed optical fiber cables or cable plants?

Last Answer : When an installed optical fiber cable or cable plant is less than 50 meters in length.

Two layers of arimid yarn strength members encase the OFCC units. Why are these strength members stranded in opposing directions?

Description : Two layers of arimid yarn strength members encase the OFCC units. Why are these strength members stranded in opposing directions?

Last Answer : To minimize microbending of the fibers.

Two methods describe how light propagates along an optical fiber. These methods define two theories of light propagation. What do we call these two theories?

Description : Two methods describe how light propagates along an optical fiber. These methods define two theories of light propagation. What do we call these two theories?

Last Answer : The ray theory and the mode theory.

Which type of optical splitter (Y-coupler or T-coupler) splits only a small amount of power from the input fiber to one of the output fibers?

Description : Which type of optical splitter (Y-coupler or T-coupler) splits only a small amount of power from the input fiber to one of the output fibers?

Last Answer : T-coupler

Which type of fiber optic connector (butt-jointed or expanded beam) brings the prepared ends of two optical fibers into close contact?

Description : Which type of fiber optic connector (butt-jointed or expanded beam) brings the prepared ends of two optical fibers into close contact?

Last Answer : Butt-jointed connectors.

What is the basic fiber cleaving technique for preparing optical fibers for coupling?

Description : What is the basic fiber cleaving technique for preparing optical fibers for coupling?

Last Answer : Score-and-break.

Quality fiber-end preparation is essential for proper system operation. What properties must an optical fiber-end face have to ensure proper fiber connection?

Description : Quality fiber-end preparation is essential for proper system operation. What properties must an optical fiber-end face have to ensure proper fiber connection?

Last Answer : Be flat, smooth, and perpendicular to the fiber axis.

Which types of LEDs are the preferred optical sources for short-distance, low-data-rate fiber optic systems?

Description : Which types of LEDs are the preferred optical sources for short-distance, low-data-rate fiber optic systems?

Last Answer : SLEDs and ELEDs.

The amount of optical power coupled into an optical fiber depends on what four factors?

Description : The amount of optical power coupled into an optical fiber depends on what four factors?

Last Answer : (1) The angles over which the light is emitted. (2) The size of the source's light-emitting area relative to the fiber core size. (3) The alignment of the source and fiber. (4) The coupling characteristics of the fiber (such as the NA and the refractive index profile)

Which part of a fiber optic transmitter converts the processed electrical signal to an optical signal?

Description : Which part of a fiber optic transmitter converts the processed electrical signal to an optical signal?

Last Answer : The optical source.

Give two reasons why optical fiber manufacturers depart from the traditional circular core and cladding, low-loss glass fiber design?

Description : Give two reasons why optical fiber manufacturers depart from the traditional circular core and cladding, low-loss glass fiber design?

Last Answer : To increase performance and reduce cost

Multimode optical fibers can have a step-index or graded index refractive index profile. Which fiber, multimode step-index or multimode graded-index fiber, usually performs better?

Description : Multimode optical fibers can have a step-index or graded index refractive index profile. Which fiber, multimode step-index or multimode graded-index fiber, usually performs better?

Last Answer : Multimode graded-index fiber

List the two principal optical detectors used in fiber optic systems.

Description : List the two principal optical detectors used in fiber optic systems.

Last Answer : The semiconductor positive-intrinsic-negative (PIN) photodiode and avalanche photodiode (APD).

Delay differences between the source wavelengths occur as the optical signal propagates along the fiber. What is this called?

Description : Delay differences between the source wavelengths occur as the optical signal propagates along the fiber. What is this called?

Last Answer : Differential group delay t(l).

A mode filter is a device that attenuates specific modes propagating in the core of an optical fiber. What mode propagating along single mode fibers do mode filters eliminate?

Description : A mode filter is a device that attenuates specific modes propagating in the core of an optical fiber. What mode propagating along single mode fibers do mode filters eliminate?

Last Answer : Second-order mode.

optical launch conditions exists if the launch spot size and angular distribution are larger than that of the fiber core?

Description : optical launch conditions exists if the launch spot size and angular distribution are larger than that of the fiber core?

Last Answer : Overfilled.

Does underfilling a multimode optical fiber excite mainly high-order or low-order modes?

Description : Does underfilling a multimode optical fiber excite mainly high-order or low-order modes?

Last Answer : Low-order modes.

What are the main causes of absorption in optical fiber?

Description : What are the main causes of absorption in optical fiber?

Last Answer : Intrinsic and extrinsic material properties.

What type of optical fiber operates below the cutoff

Description : What type of optical fiber operates below the cutoff

Last Answer : The order of a mode is indicated by the number of field maxima within the core of the fiber. The order of a mode is also determined by the angle that the wavefront makes with the axis of the fiber

A light ray incident on the optical fiber core is propagated along the fiber. Is the angle of incidence of the light ray entering the fiber larger or smaller than the acceptance angle

Description : A light ray incident on the optical fiber core is propagated along the fiber. Is the angle of incidence of the light ray entering the fiber larger or smaller than the acceptance angle

Last Answer : Smaller.

List the three parts of an optical fiber.

Description : List the three parts of an optical fiber.

Last Answer : Core, cladding, and coating or buffer.

The index of refraction measures the speed of light in an optical fiber. Will light travel faster in an optically dense material or in one that is less dense?

Description : The index of refraction measures the speed of light in an optical fiber. Will light travel faster in an optically dense material or in one that is less dense?

Last Answer : Light will travel faster in an optical material that is less dense.

What is the basic optical-material property relevant to optical fiber light transmission?

Description : What is the basic optical-material property relevant to optical fiber light transmission?

Last Answer : The index of refraction.

Low-order and high-order modes propagate along an optical fiber. How are modes determined to be low-order or high order modes?

Description : Low-order and high-order modes propagate along an optical fiber. How are modes determined to be low-order or high order modes?

Last Answer : Depends on the bending caused by the velocity difference of the wave traveling through different mediums

Which type of optical fiber (multimode or single mode) tends to have lower loss and produces less signal distortion?

Description : Which type of optical fiber (multimode or single mode) tends to have lower loss and produces less signal distortion?

Last Answer : Single mode fiber.

In 1969, what did several scientists conclude about optical fiber loss?

Description : In 1969, what did several scientists conclude about optical fiber loss?

Last Answer : mpurities in the fiber material caused the signal loss in optical fibers. The basic fiber material did not prevent the light signal from reaching the end of the fiber.

What mechanisms in the fiber waveguides weaken and distort the optical signal?

Description : What mechanisms in the fiber waveguides weaken and distort the optical signal?

Last Answer : Scattering, absorption, and dispersion.

Identify the fastest wired media out of the following: Ethernet cable, Optical fiber, Co_axial cable -Technology

Description : Identify the fastest wired media out of the following: Ethernet cable, Optical fiber, Co_axial cable -Technology

Last Answer : Optical fiber

Optical fiber cable is more suitable in wired media- ?

Description : Optical fiber cable is more suitable in wired media- ?

Last Answer : Optical fiber cable is more suitable in wired media. Because optical fiber cable is a type of cable made of thousands of glass fibers through which data is transmitted at the speed of light. Laser beams are used to transfer data through this cable.

Which transmission media provides the highest transmission speed in a network? a. coaxial cable b. twisted pair cable c. optical fiber d. electrical cable

Description : Which transmission media provides the highest transmission speed in a network? a. coaxial cable b. twisted pair cable c. optical fiber d. electrical cable

Last Answer : c. optical fiber

Identify the non suitable medium for 802.3 ethernet?a. A thin coaxial cable b. A twisted pair cable c. A microwave link d. A fiber optical cable

Description : Identify the non suitable medium for 802.3 ethernet? a. A thin coaxial cable b. A twisted pair cable c. A microwave link d. A fiber optical cable

Last Answer : c. A microwave link

Which of the following cannot be used as a medium for 802.3 ethernet? a) A thin coaxial cable b) A twisted pair cable c) A microwave link d) A fiber optical cable

Description : Which of the following cannot be used as a medium for 802.3 ethernet? a) A thin coaxial cable b) A twisted pair cable c) A microwave link d) A fiber optical cable

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What kind of transmission medium is most appropriate to carry data in a computer network that is exposed to electrical interferences? a) Unshielded twisted pair b) Optical fiber c) Coaxial cable d) Microwave

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Which of this is not a guided media? a) Fiber optical cable b) Coaxial cable c) Wireless LAN d) Copper wire

Description : Which of this is not a guided media? a) Fiber optical cable b) Coaxial cable c) Wireless LAN d) Copper wire

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Which transmission media provides the highest transmission speed in a network? a) coaxial cable b) twisted pair cable c) optical fiber d) electrical cable

Description : Which transmission media provides the highest transmission speed in a network? a) coaxial cable b) twisted pair cable c) optical fiber d) electrical cable

Last Answer : c) optical fiber

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Description : The optical fiber is not free to move around in a ____________________ cable.

Last Answer : tight-buffer

For a 300-m optical fiber cable with a bandwidth distance product of 600 MHz-km, determine the bandwidth. ∙ A. 5 GHz ∙ B. 1 GHz ∙ C. 2 GHz

Description : For a 300-m optical fiber cable with a bandwidth distance product of 600 MHz-km, determine the bandwidth. ∙ A. 5 GHz ∙ B. 1 GHz ∙ C. 2 GHz

Last Answer : C. 2 GHz

Optical cable testers are used for ∙ a. Checking refractive index ∙ b. Light power out of a fiber ∙ c. Non-calibrated light into a fiber

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Last Answer : b. Light power out of a fiber

Optical cable testers are used for ∙ a. Checking refractive index ∙ b. Light power out of a fiber ∙ c. Non-calibrated light into a fiber

Description : Optical cable testers are used for ∙ a. Checking refractive index ∙ b. Light power out of a fiber ∙ c. Non-calibrated light into a fiber

Last Answer : ∙ b. Light power out of a fiber

An optical fiber cable laid underground has developed a discontinuity at a distance d from the source end.

Description : An optical fiber cable laid underground has developed a discontinuity at a distance d from the source end. The fault can be located using the instrument  (a) Optical spectrum Analyzer (OSA) (b) Optical Time Domain Reflectometer (OTDR) (c) Optical Power Meter (OPM) (d) Laser Diffractometer (LD)

Last Answer : An optical fiber cable laid underground has developed a discontinuity at a distance d from the source end. The fault can be located using the instrument Optical Time Domain Reflectometer (OTDR) 

Which fiber optic component (splice, connector, or coupler) makes a permanent connection in a distributed system?

Description : Which fiber optic component (splice, connector, or coupler) makes a permanent connection in a distributed system?

Last Answer : Splice.

List the types of fiber optic components considered part of a fiber optic cable plant.

Description : List the types of fiber optic components considered part of a fiber optic cable plant.

Last Answer : Optical fiber cables, connectors, splices, mounting panels, jumper cables, and other passive components.

Describe the operation of an optical detector

Description : Describe the operation of an optical detector

Last Answer : It is a transducer that converts an optical signal into an electrical signal. It does this by generating an electrical current proportional to the intensity of incident optical radiation.

Describe the -3 decibel (dB) optical power frequency (f3dB).

Description : Describe the -3 decibel (dB) optical power frequency (f3dB).

Last Answer : The -3 decibel (dB) is the lowest frequency at which the magnitude of the fiber frequency response has decreased to one half its zero-frequency value.

Fiber splicing is divided into two broad categories that describe the techniques used for fiber splicing. What are they?

Description : Fiber splicing is divided into two broad categories that describe the techniques used for fiber splicing. What are they?

Last Answer : Mechanical and fusion splicing.

The mode theory uses electromagnetic wave behavior to describe the propagation of the light along the fiber. What is a set of guided electromagnetic waves called?

Description : The mode theory uses electromagnetic wave behavior to describe the propagation of the light along the fiber. What is a set of guided electromagnetic waves called?

Last Answer : Modes of the fiber.

Describe the basic functions of a fiber optic data link

Description : Describe the basic functions of a fiber optic data link

Last Answer : The basic functions of a fiber optic data link are to convert an electrical input signal to an optical signal, send the optical signal over an optical fiber, and convert the optical signal back to an electrical signal.