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ITU-T G.655 Fibers Quiz

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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?

Sensitivity to bends Signup and view all the answers

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

Non-zero dispersion shifted Signup and view all the answers

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

Use of CWDM without chromatic dispersion compensation Signup and view all the answers

What is the characteristic of G.652B fibers?

Known as low water peak fibers Signup and view all the answers

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

ITU-T G.653 Compliant Dispersion shifted fiber Signup and view all the answers

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

Suitable for ultra-long haul networks Signup and view all the answers

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

Generated non-linear effects in transmission Signup and view all the answers

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

ITU-T G.655 Compliant Non-zero dispersion shifted fiber Signup and view all the answers

What is a characteristic of G.652C fibers?

Extremely low attenuation at 1550nm Signup and view all the answers

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

Attenuation levels at 1310nm and 1550nm Signup and view all the answers

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

G.652A Signup and view all the answers

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

High PMD Signup and view all the answers

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

Lower PMD Signup and view all the answers

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

$1310$ nm Signup and view all the answers

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

G.655 Compliant Non-zero dispersion shifted fiber Signup and view all the answers