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Questions and Answers
What is one of the reasons for the increased use of optical fibre as a transmission media?
What is one of the reasons for the increased use of optical fibre as a transmission media?
- Dependence on electro-magnetic interference
- Emphasis on analog communication
- Less cost (correct)
- Limitation in bandwidth
How has the requirement for bandwidth changed over time according to the text?
How has the requirement for bandwidth changed over time according to the text?
- Decreased from 1Gbps to 20Kbps
- Remained constant at 20Kbps
- From around 20Kbps to around 1Gbps (correct)
- From around 1Gbps to around 20Kbps
What technological advancement contributed to the convergence of the access network according to the text?
What technological advancement contributed to the convergence of the access network according to the text?
- Fiber-to-the-home (FTTH) technology
- Analog modulation
- IP & MPLS technologies (correct)
- Copper wire connections
How are client terminals described in the text?
How are client terminals described in the text?
What is a key aspect of the architecture mentioned for the Next Generation network in the text?
What is a key aspect of the architecture mentioned for the Next Generation network in the text?
How have client terminals improved their human interface according to the text?
How have client terminals improved their human interface according to the text?
Who is credited with identifying the critical specification for long-range communication devices in 1964?
Who is credited with identifying the critical specification for long-range communication devices in 1964?
In which year did Corning Glass develop fiber-optic wire capable of carrying 65,000 times more information than copper wire?
In which year did Corning Glass develop fiber-optic wire capable of carrying 65,000 times more information than copper wire?
What played a crucial role in reducing light loss in fiber optics according to the text?
What played a crucial role in reducing light loss in fiber optics according to the text?
Who tested and deployed the world's first live telephone traffic through a fiber-optic system running at 6 Mbps in Long Beach, California?
Who tested and deployed the world's first live telephone traffic through a fiber-optic system running at 6 Mbps in Long Beach, California?
What was the loss of multimode germanium-doped fiber developed in June of 1972 per kilometer according to the text?
What was the loss of multimode germanium-doped fiber developed in June of 1972 per kilometer according to the text?
Which company invented fiber-optic wire capable of carrying 65,000 times more information than copper wire?
Which company invented fiber-optic wire capable of carrying 65,000 times more information than copper wire?
What is the objective of the unit 'Concept of Optical Fiber Communication'?
What is the objective of the unit 'Concept of Optical Fiber Communication'?
Which ancient technique involved using light to transmit information?
Which ancient technique involved using light to transmit information?
What was used to encode optical signals during the second century B.C.?
What was used to encode optical signals during the second century B.C.?
Which technology is NOT covered in the unit 'Concept of Optical Fiber Communication'?
Which technology is NOT covered in the unit 'Concept of Optical Fiber Communication'?
What is the focus of the section 'OFC laying and Installation practices (Sec-I)'?
What is the focus of the section 'OFC laying and Installation practices (Sec-I)'?
Which topic would you expect to learn about in the unit 'CPAN and OTN Technology overview'?
Which topic would you expect to learn about in the unit 'CPAN and OTN Technology overview'?
What is one of the key aspects covered in the unit 'Concept of Optical Fiber Communication'?
What is one of the key aspects covered in the unit 'Concept of Optical Fiber Communication'?
What is the main focus of FTTH (Fiber to the Home) technology?
What is the main focus of FTTH (Fiber to the Home) technology?
What was one of the ancient techniques mentioned for transmitting information using light signals?
What was one of the ancient techniques mentioned for transmitting information using light signals?
How does FTTH technology contribute to modern communication infrastructure?
How does FTTH technology contribute to modern communication infrastructure?
What is a crucial skill for technicians working with optical fibers in terms of installation and maintenance?
What is a crucial skill for technicians working with optical fibers in terms of installation and maintenance?
What technological advancements have played a significant role in the adoption of optical fibre as a transmission media?
What technological advancements have played a significant role in the adoption of optical fibre as a transmission media?
How have client terminals evolved in terms of capabilities according to the text?
How have client terminals evolved in terms of capabilities according to the text?
What is the architecture referred to as the future of networks in the text?
What is the architecture referred to as the future of networks in the text?
What technology is driving the convergence of the access network according to the text?
What technology is driving the convergence of the access network according to the text?
In what way have client terminals improved their human interface based on the information provided?
In what way have client terminals improved their human interface based on the information provided?
What is one of the advantages of optical fiber communication mentioned in the text?
What is one of the advantages of optical fiber communication mentioned in the text?
Which of the following is NOT listed as a common application of optical fibers in the text?
Which of the following is NOT listed as a common application of optical fibers in the text?
What is the typical range of transmission distances mentioned for optical fiber applications in the text?
What is the typical range of transmission distances mentioned for optical fiber applications in the text?
In optical fiber communication, what contributes to the greater transmission bandwidth compared to conventional systems?
In optical fiber communication, what contributes to the greater transmission bandwidth compared to conventional systems?
Which technology is NOT explicitly associated with Optical Fiber Communication in the text?
Which technology is NOT explicitly associated with Optical Fiber Communication in the text?
What critical and theoretical specification was identified by Dr. Charles K. Kao for long-range communication devices?
What critical and theoretical specification was identified by Dr. Charles K. Kao for long-range communication devices?
What was a key advancement in fiber optics developed by Corning Glass in June 1972?
What was a key advancement in fiber optics developed by Corning Glass in June 1972?
What technology was capable of carrying 65,000 times more information than copper wire, according to the text?
What technology was capable of carrying 65,000 times more information than copper wire, according to the text?
How did General Telephone and Electronics demonstrate the capabilities of fiber-optic systems in April 1977?
How did General Telephone and Electronics demonstrate the capabilities of fiber-optic systems in April 1977?
What is the significance of FTTH technology in optical communication networks?
What is the significance of FTTH technology in optical communication networks?
What is the key benefit of using single-mode fiber optics compared to multimode fibers?
What is the key benefit of using single-mode fiber optics compared to multimode fibers?
In the context of fiber optic cables, what is the main advantage of tight-buffered cable designs?
In the context of fiber optic cables, what is the main advantage of tight-buffered cable designs?
What is the primary use of single-fiber tight-buffered cables in fiber optic networks?
What is the primary use of single-fiber tight-buffered cables in fiber optic networks?
Which factor contributes significantly to the majority of outside-plant installations using loose-tube cable?
Which factor contributes significantly to the majority of outside-plant installations using loose-tube cable?
What distinguishes the construction of tight-buffer tube cable from loose-buffer tube cable in fiber optic networks?
What distinguishes the construction of tight-buffer tube cable from loose-buffer tube cable in fiber optic networks?
What is the main advantage of using optical fibers over metal wires for communication?
What is the main advantage of using optical fibers over metal wires for communication?
What is the role of fusion splicing in optical fiber technology?
What is the role of fusion splicing in optical fiber technology?
How does Fiber to the Home (FTTH) technology contribute to modern communication infrastructure?
How does Fiber to the Home (FTTH) technology contribute to modern communication infrastructure?
What is the significance of optical fibers acting as a 'waveguide' in communication systems?
What is the significance of optical fibers acting as a 'waveguide' in communication systems?
How does Fiber to the Home (FTTH) technology differ from traditional copper wire connections?
How does Fiber to the Home (FTTH) technology differ from traditional copper wire connections?
What is the key feature of all-dielectric, self-supporting aerial cables (ADSS)?
What is the key feature of all-dielectric, self-supporting aerial cables (ADSS)?
Why do many industries, particularly the telecommunications sector, prefer optical fiber over copper wire?
Why do many industries, particularly the telecommunications sector, prefer optical fiber over copper wire?
What distinguishes different types of single-mode and multimode fibers in optical fiber classification?
What distinguishes different types of single-mode and multimode fibers in optical fiber classification?
What is the main objective of the unit on splicing of optical fiber?
What is the main objective of the unit on splicing of optical fiber?
Why are all-dielectric, self-supporting aerial cables suitable for applications adjacent to aerial power transmission lines?
Why are all-dielectric, self-supporting aerial cables suitable for applications adjacent to aerial power transmission lines?
In terms of FTTH technology, what is one of the primary reasons for its widespread adoption in modern communication networks?
In terms of FTTH technology, what is one of the primary reasons for its widespread adoption in modern communication networks?
Which material provides high tensile strength to cables in an all-dielectric, self-supporting aerial cable?
Which material provides high tensile strength to cables in an all-dielectric, self-supporting aerial cable?
Study Notes
Optical Fiber Communication
- One of the reasons for the increased use of optical fiber as a transmission media is its ability to carry 65,000 times more information than copper wire.
History of Optical Fiber
- Corning Glass developed fiber-optic wire capable of carrying 65,000 times more information than copper wire in 1970.
- Dr. Charles Kao identified the critical specification for long-range communication devices in 1964.
- In 1972, Corning Glass developed multimode germanium-doped fiber with a loss of 4 dB/km.
- General Telephone and Electronics demonstrated the capabilities of fiber-optic systems in April 1977.
Advantages of Optical Fiber
- One of the advantages of optical fiber communication is its ability to carry more information than copper wire.
Fiber to the Home (FTTH) Technology
- The main focus of FTTH technology is to provide high-speed internet connectivity directly to homes.
- FTTH technology contributes to modern communication infrastructure by providing high-speed internet connectivity directly to homes.
Optical Fiber Characteristics
- The key aspect of the architecture mentioned for the Next Generation network is the use of optical fiber.
- Optical fibers act as a 'waveguide' in communication systems.
- The main advantage of using optical fibers over metal wires for communication is their ability to carry more information.
Technological Advancements
- Technological advancements that have played a significant role in the adoption of optical fiber as a transmission media include the development of fiber-optic wire capable of carrying 65,000 times more information than copper wire.
Client Terminals
- Client terminals have evolved in terms of capabilities and have improved their human interface.
- Client terminals are described as having improved their human interface over time.
Ancient Techniques
- One of the ancient techniques mentioned for transmitting information using light signals is the use of mirrors.
- In the second century B.C., polished bronze mirrors were used to encode optical signals.
Unit Objectives
- The objective of the unit 'Concept of Optical Fiber Communication' is to understand the concept of optical fiber communication.
- The focus of the section 'OFC laying and Installation practices (Sec-I)' is on the laying and installation practices of optical fibers.
- The unit 'CPAN and OTN Technology overview' focuses on the overview of CPAN and OTN technologies.
Fiber Optic Cables
- The main advantage of tight-buffered cable designs is their ability to protect the fiber.
- The primary use of single-fiber tight-buffered cables is in fiber optic networks.
- The factor that contributes significantly to the majority of outside-plant installations using loose-tube cable is environmental conditions.
- The main difference between tight-buffer tube cable and loose-buffer tube cable is the buffering material used.
Fusion Splicing
- The role of fusion splicing in optical fiber technology is to join two fibers together.
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Description
Explore the advancements in transmission media technologies, such as optical fiber, due to improvements in multiplexing, bandwidth requirements, and network convergence. Learn about the shift from traditional TDM and FDM to packet-based statistical multiplexing.
