ITU-T G.655 Fibers Quiz

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

What is a key feature of G.655 fibers?

  • Low PMD value of 0.2 ps√km
  • Suitability for CWDM applications (correct)
  • Negative dispersion value over the C-band
  • Wavelength range of 1460 to 1625 nm

Which version was introduced to extend WDM application into the S-band?

  • G.655A
  • G.655C
  • G.655D
  • G.655B (correct)

What is the chromatic dispersion value range of G.656 fiber?

  • 2 to 14 ps/(nm-km) (correct)
  • 20 to 30 ps/(nm-km)
  • 14 to 20 ps/(nm-km)
  • 0 to 2 ps/(nm-km)

What is the main characteristic of G.657 fibers?

<p>Sensitivity to bends (C)</p> Signup and view all the answers

What is a distinguishing feature of G.653 Compliant Dispersion shifted fiber?

<p>Non-zero dispersion shifted (C)</p> Signup and view all the answers

What does the G.654 Compliant Cut-off Shifted fiber enable?

<p>Use of CWDM without chromatic dispersion compensation (B)</p> Signup and view all the answers

What is the characteristic of G.652B fibers?

<p>Known as low water peak fibers (A)</p> Signup and view all the answers

Which fiber type has low attenuation at 1360nm through 1480nm?

<p>ITU-T G.653 Compliant Dispersion shifted fiber (A)</p> Signup and view all the answers

What is a characteristic feature of ITU-T G.654 Compliant Cut-off Shifted fiber?

<p>Suitable for ultra-long haul networks (C)</p> Signup and view all the answers

What problem did utilizing the low attenuation window of 1550nm cause?

<p>Generated non-linear effects in transmission (B)</p> Signup and view all the answers

Which fiber type solved the non-linear effects caused by zero dispersion at 1550nm?

<p>ITU-T G.655 Compliant Non-zero dispersion shifted fiber (B)</p> Signup and view all the answers

What is a characteristic of G.652C fibers?

<p><strong>Extremely</strong> low attenuation at 1550nm (D)</p> Signup and view all the answers

What is the main difference between G.652A and G.652B fibers?

<p>Attenuation levels at 1310nm and 1550nm (A)</p> Signup and view all the answers

Which type of fiber has a PMD (polarization mode dispersion) of 0.5 ps/sqrt.km?

<p>G.652A (A)</p> Signup and view all the answers

What is the key characteristic of G.652C fibers?

<p>High PMD (C)</p> Signup and view all the answers

How does G.652D fiber compare to G.652C fiber in terms of PMD?

<p>Lower PMD (A)</p> Signup and view all the answers

At which wavelength is G.652B fiber designed to have minimum dispersion?

<p>$1310$ nm (B)</p> Signup and view all the answers

Which ITU-T compliant fiber type is intended for non-zero dispersion shifted applications?

<p>G.655 Compliant Non-zero dispersion shifted fiber (C)</p> Signup and view all the answers

Flashcards

G.655 Fiber Key Feature

Suitable for Coarse Wavelength Division Multiplexing (CWDM) applications due to its non-zero dispersion.

G.655B Fiber

An extension of G.655 fibers designed to expand WDM (Wavelength Division Multiplexing) applications into the S-band.

Chromatic Dispersion of G.656

The chromatic dispersion value range for G.656 fiber is between 2 and 14 ps/(nm-km).

G.657 Fiber Characteristic

These fibers are characterized by their sensitivity to bends, making them suitable for installations requiring tight turns.

Signup and view all the flashcards

G.653 Fiber Feature

It is a type of dispersion-shifted fiber, but unlike G.652, it has non-zero dispersion at 1550nm.

Signup and view all the flashcards

G.654 Fiber Benefit

It enables the use of CWDM (Coarse Wavelength Division Multiplexing) without needing chromatic dispersion compensation.

Signup and view all the flashcards

G.652B Fibers

These fibers are known as low water peak fibers, reducing attenuation in the 1360-1480nm range.

Signup and view all the flashcards

G.653 Fiber Attenuation

This fiber type exhibits low attenuation throughout the 1360nm to 1480nm range, thus broadening the usable spectrum.

Signup and view all the flashcards

G.654 Fiber Networks

Specifically designed for ultra-long haul networks, optimizing signal transmission over vast distances.

Signup and view all the flashcards

Problem with 1550nm Window

Utilizing this window caused non-linear effects in transmission due to zero dispersion.

Signup and view all the flashcards

G.655 Solution

This fiber has non-zero dispersion, which mitigated non-linear effects, offering a middle ground between minimizing attenuation and avoiding signal distortion

Signup and view all the flashcards

G.652C Fiber Characteristic

They exhibit extremely low attenuation at the 1550nm wavelength, critical for long-distance signal transmission.

Signup and view all the flashcards

G.652A vs. G.652B

The key difference lies in their attenuation levels at 1310nm and 1550nm wavelengths, affecting signal strength and transmission distance.

Signup and view all the flashcards

G.652A PMD

This fiber type has a polarization mode dispersion (PMD) of 0.5 ps/sqrt.km.

Signup and view all the flashcards

G.652C Key Characteristic

G.652C exibits high Polarization Mode Dispersion(PMD) which affects the quality of signal transmission

Signup and view all the flashcards

G.652D vs G.652C

The G.652D fiber has lower Polarization Mode Dispersion, meaning it preserves signal integrity better than G.652C over long distances.

Signup and view all the flashcards

G.652B Wavelength

Minimum dispersion is designed to occur at approximately 1310 nm to reduce signal distortion.

Signup and view all the flashcards

G.655 Fiber Application

This fiber type is designed for non-zero dispersion shifted applications, improving performance in DWDM systems.

Signup and view all the flashcards

More Like This

Use Quizgecko on...
Browser
Browser