Why is it generally only necessary to refer to point-to-point data links when discussing the process of fiber optic system design?

Why is it generally only necessary to refer to point-to-point  data links when discussing the process of fiber optic system  design?
by

1 Answer

Answer :

Because fiber optic systems that incorporate complex  architectures can be simplified into a collection of point-to-point data  links before beginning the design process.
by

Related questions

List four system topologies that can be constructed using point-to-point fiber optic links.

Description : List four system topologies that can be constructed using point-to-point fiber optic links.

Last Answer : Linear bus, ring, star, and tree topologies.

Why is detector saturation not generally a problem in fiber optic communications systems?

Description : Why is detector saturation not generally a problem in fiber optic communications systems?

Last Answer : Because fiber optic communications systems operate at low optical power levels.

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.

List the three parts of a fiber optic data link

Description : List the three parts of a fiber optic data link

Last Answer : Transmitter, optical fiber, and receiver.

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.

Fiber optic connectors can reduce system performance by increasing what two types of noise?

Description : Fiber optic connectors can reduce system performance by increasing what two types of noise?

Last Answer : Modal and reflection.

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.

What is the difference between passive and active fiber optic couplers?

Description : What is the difference between passive and active fiber optic couplers?

Last Answer : Passive couplers redistribute optical signals without optical-to electrical conversion.

The Navy classifies fiber optic connectors in what two ways?

Description : The Navy classifies fiber optic connectors in what two ways?

Last Answer : Light-duty and heavy-duty connectors.

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 connection properties result in fiber optic connector coupling loss?

Description : What connection properties result in fiber optic connector coupling loss?

Last Answer : Poor fiber alignment and end preparation, fiber mismatches, and Fresnel reflection.

Define a fiber optic splice.

Description : Define a fiber optic splice.

Last Answer : A permanent fiber joint whose purpose is to establish an optical connection between two individual optical fibers.

List five common fiber optic transmitter packages.

Description : List five common fiber optic transmitter packages.

Last Answer : TO can, DIP, butterfly lead microcircuits, circuit cards, and stand-alone optical fiber converters.

What are the two types of output interfaces for fiber optic transmitters?

Description : What are the two types of output interfaces for fiber optic transmitters?

Last Answer : Optical connectors and optical fiber pigtails.

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.

What are the three parts of a fiber optic transmitter?

Description : What are the three parts of a fiber optic transmitter?

Last Answer : Interface circuit, source drive circuit, and an optical source.

What are the two basic types of preamplifiers used in fiber optic receivers?

Description : What are the two basic types of preamplifiers used in fiber optic receivers?

Last Answer : The high-impedance amplifier and the transimpedance amplifier.

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).

What is a fiber optic receiver?

Description : What is a fiber optic receiver?

Last Answer : An electro-optic device that accepts optical signals from an optical fiber and converts them into electrical signals

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.

List five precautions to take when installing fiber optic systems on board naval ships.

Description : List five precautions to take when installing fiber optic systems on board naval ships.

Last Answer : a. Never bend an optical fiber or cable at a radius of curvature less than the minimum bend radius. b. Never pull fiber optic cables tight or fasten them over or through sharp corners or ... the hardware. e. Allow only trained, authorized personnel to install or repair fiber optic systems.

What type of modulation do most analog fiber optic communications systems use?

Description : What type of modulation do most analog fiber optic communications systems use?

Last Answer : Intensity modulation.

What is the main disadvantage of using fiber-optic cables?

Description : What is the main disadvantage of using fiber-optic cables?

Last Answer : High attenuation.

In fiber optic systems, designers consider what trade-offs?

Description : In fiber optic systems, designers consider what trade-offs?

Last Answer : Trade-offs in fiber properties, types of connections, optical sources, and detector types in military and subscriber-loop applications.

What effect does noise have on the fiber optic signal?

Description : What effect does noise have on the fiber optic signal?

Last Answer : Noise obscures or reduces the quality of the signal.

Which light emitter is preferred for high-speed data in a fiber-optic system? ∙ A. incandescent ∙ B. LED ∙ C. neon ∙ D. laser

Description : Which light emitter is preferred for high-speed data in a fiber-optic system? ∙ A. incandescent ∙ B. LED ∙ C. neon ∙ D. laser

Last Answer : D. laser

Which light emitter is preferred for high speed data in a fiber-optic system ∙ a. Incandescent ∙ b. LED ∙ c. Neon ∙ d. Laser

Description : Which light emitter is preferred for high speed data in a fiber-optic system ∙ a. Incandescent ∙ b. LED ∙ c. Neon ∙ d. Laser

Last Answer : ∙ d. Laser

Why Fiber Optic Cable is Safe in Data Transport ?

Description : Why Fiber Optic Cable is Safe in Data Transport ?

Last Answer : Optical fiber cable is safe for data transfer. It is a coating made of plastic or other materials , which protects the fiber from moisture , abrasion , sprains and other natural disasters. With ... Due to the high electrical resistance, this cable can be used with high voltage electrical equipment.

Which type of fiber-optic cable is the best for very high speed data? a. Single-mode step-index b. Multimode step-index c. Single-mode graded-index d. Multimode graded-index

Description : Which type of fiber-optic cable is the best for very high speed data? a. Single-mode step-index b. Multimode step-index c. Single-mode graded-index d. Multimode graded-index

Last Answer : a. Single-mode step-index

Which of the following is not a major benefit of fiber-optic cable? a. Immunity from interference b. No electrical safety problems c. Excellent data security d. Lower cost

Description : Which of the following is not a major benefit of fiber-optic cable? a. Immunity from interference b. No electrical safety problems c. Excellent data security d. Lower cost

Last Answer : b. No electrical safety problems

What is the device used in fiber optic communication which consist of a receiver transmitter use to clean up and amplify digital data moving in one direction and another in the opposite direction? A. Optic compressors B. Optic retarders C. Optic isolator D. Optic regenerators

Description : What is the device used in fiber optic communication which consist of a receiver transmitter use to clean up and amplify digital data moving in one direction and another in the opposite direction? A. Optic compressors B. Optic retarders C. Optic isolator D. Optic regenerators

Last Answer : D. Optic regenerators

______ cables carry data signals in the form of light. A) Coaxial B) Fiber-optic C) Twisted-pair D) none of the above

Description : ______ cables carry data signals in the form of light. A) Coaxial B) Fiber-optic C) Twisted-pair D) none of the above

Last Answer : Fiber-opti

______ cable is used for voice and data communications. A) Coaxial B) Fiber-optic C) Twisted-pair D) none of the above

Description : ______ cable is used for voice and data communications. A) Coaxial B) Fiber-optic C) Twisted-pair D) none of the above

Last Answer : Twisted-pair

……….cable is used for voice and data communications. a. Twisted-pair b. None of These c. Coaxial d. Fiber-optic

Description : ……….cable is used for voice and data communications. a. Twisted-pair b. None of These c. Coaxial d. Fiber-optic

Last Answer : a. Twisted-pair

Which of the following is not a major benefit of a fiber-optic cable? ∙ A. immunity from interference ∙ B. no electrical safety problems ∙ C. excellent data security ∙ D. lower cost

Description : Which of the following is not a major benefit of a fiber-optic cable? ∙ A. immunity from interference ∙ B. no electrical safety problems ∙ C. excellent data security ∙ D. lower cost

Last Answer : ∙ D. lower cost

Which type of fiber optic cable is best for very high speed data? ∙ A. single-mode step-index ∙ B. multimode step-index ∙ C. single-mode graded-index ∙ D. multimode graded-index

Description : Which type of fiber optic cable is best for very high speed data? ∙ A. single-mode step-index ∙ B. multimode step-index ∙ C. single-mode graded-index ∙ D. multimode graded-index

Last Answer : A. single-mode step-index

Which type of fiber-optic cable is the best for very high speed data? ∙ a. Single-mode step-index ∙ b. Multimode step-index ∙ c. Single-mode graded-index ∙ d. Multimode graded-index

Description : Which type of fiber-optic cable is the best for very high speed data? ∙ a. Single-mode step-index ∙ b. Multimode step-index ∙ c. Single-mode graded-index ∙ d. Multimode graded-index

Last Answer : a. Single-mode step-index

Which of the following is not a major benefit of fiber-optic cable? ∙ a. Immunity from interference ∙ b. No electrical safety problems ∙ c. Excellent data security ∙ d. Lower cost

Description : Which of the following is not a major benefit of fiber-optic cable? ∙ a. Immunity from interference ∙ b. No electrical safety problems ∙ c. Excellent data security ∙ d. Lower cost

Last Answer : b. No electrical safety problems

Will fiber coupling loss generally increase or decrease if the mode field diameter of a single mode fiber is decreased?

Description : Will fiber coupling loss generally increase or decrease if the mode field diameter of a single mode fiber is decreased?

Last Answer : Increase.

Can fiber optic cable be used for transmitting light from a source to another point around the opaque object?

Description : Can fiber optic cable be used for transmitting light from a source to another point around the opaque object?

Last Answer : Fiber Optic is normally used for carrying data as light; I doubt it'd be useful for actually transmitting coherent light.

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

Good ‘research ethics’ means (A) Not disclosing the holdings of shares/stocks in a company that sponsors your research. (B) Assigning a particular research problem to one Ph.D./research student only. (C) Discussing with your colleagues confidential data from a research paper that you are reviewing for an academic journal. (D) Submitting the same research manuscript for publishing in more than one jo urnal.

Description : Good research ethics' means (A) Not disclosing the holdings of shares/stocks in a company that sponsors your research. (B) Assigning a particular research problem to one Ph.D./research student only ... journal. (D) Submitting the same research manuscript for publishing in more than one jo urnal. 

Last Answer : (B) Assigning a particular research problem to one Ph.D./research student only

If a fiber optic system has a rise time of 38.55 ns, the source rise time is 12 ns and the detector rise time is 12 ns, what is the cable rise time? A. 34.61 ns B. 14.55 ns C. 52.55 ns D. 26.25 ns

Description : If a fiber optic system has a rise time of 38.55 ns, the source rise time is 12 ns and the detector rise time is 12 ns, what is the cable rise time? A. 34.61 ns B. 14.55 ns C. 52.55 ns D. 26.25 ns

Last Answer : A. 34.61 ns

The most common device used as a light detector in fiber optic communications system. A. LED B. Darlington phototransistor C. APDs D. PIN diode

Description : The most common device used as a light detector in fiber optic communications system. A. LED B. Darlington phototransistor C. APDs D. PIN diode

Last Answer : C. APDs

If a fiber optic system has a rise time of 16 ns, the source rise time is 1.5 ns and the detector rise time is 2 ns, what is the cable rise time? A. 14 ns B. 6 ns C. 9 ns D. 12.5 ns

Description : If a fiber optic system has a rise time of 16 ns, the source rise time is 1.5 ns and the detector rise time is 2 ns, what is the cable rise time? A. 14 ns B. 6 ns C. 9 ns D. 12.5 ns

Last Answer : A. 14 ns

ECE Board Exam March 1996 It is a spacecraft placed in orbit around the earth carrying onboard microwave receiver and transmitting equipments. A. Fiber optic equipment B. Communications satellite C. Wireless radio system D. Coaxial cable syste

Description : ECE Board Exam March 1996 It is a spacecraft placed in orbit around the earth carrying onboard microwave receiver and transmitting equipments. A. Fiber optic equipment B. Communications satellite C. Wireless radio system D. Coaxial cable syste

Last Answer : B. Communications satellite

The traditional cable TV system used ________cable endto end. A) twisted-pair B) coaxial C) fiber-optic D) none of the above

Description : The traditional cable TV system used ________cable endto end. A) twisted-pair B) coaxial C) fiber-optic D) none of the above

Last Answer : coaxial

Calculate the total rise time for a fiber-optic system if the transmitter, receiver, and cable each have a rise time of 50 nanoseconds.

Description : Calculate the total rise time for a fiber-optic system if the transmitter, receiver, and cable each have a rise time of 50 nanoseconds.

Last Answer : 86.6 nanoseconds

. The product of the bit rate and distance of a fiber-optic system is 2 Gbits-km/s. What is the maximum rate at 5 km? ∙ A. 100 Mbits/s ∙ B. 200 Mbits/s ∙ C. 400 Mbits/s ∙ D. 1000 Gbits/s

Description : . The product of the bit rate and distance of a fiber-optic system is 2 Gbits-km/s. What is the maximum rate at 5 km? ∙ A. 100 Mbits/s ∙ B. 200 Mbits/s ∙ C. 400 Mbits/s ∙ D. 1000 Gbits/s

Last Answer : C. 400 Mbits/s