A 2.5 Gb/s (OC-48 or STM-16) optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km?（）A.noneB.oneC.twoD.threeE

题目

A 2.5 Gb/s (OC-48 or STM-16) optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km?（）

A.none

B.one

C.two

D.three

E.four

相似考题

1.当32×2.5Gb/s系统在G、652光纤上的色散容限值为12800ps/nm时，可传送的最大目标距离是()。A.640KmB.360KmC.720KmD.500Km

2.What are three factors that limit the maximum distance of an amplified optical signal without regeneration? ()(Choose three.)A. fiber dispersionB. signal attenuationC. transmitter powerD. amplifier bandwidthE. receiver dispersion tolerance

3.A2.5Gb／s(OC－48orSTM－16)opticalsignalwithadispersiontoleranceof1200ps／nmgoesthroughfiberwith18ps／nm*kmofdispersion.Howmany15216－DCU－350equivalentsareneededforenoughcompensationaftertraveling100km?()A.noneB.oneC.twoD.threeE.four

4.If the dispersion of a given fiber is 17ps／nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km?()A.0 ps/nmB.340 ps/nmC.200 ps/nmD.3400 ps/nmE.More information is needed.

参考答案和解析

参考答案：C

更多“A 2.5 Gb／s (OC－48 or STM－16) optical signal with a dispersion tolerance of 1200 ps／nm goes ”相关问题

第1题：

Why are the 1300 nm and 1550 nm regions of the fiber spectrum primarily used for optical communications?()

A. They are both regions of lowest loss.
B. They are both regions of low reflections.
C. They are both regions of low index of refraction.
D. They are both regions of low chromatic dispersion.
E. They are both regions of low Polarization Mode Dispersion (PMD).

参考答案：A
第2题：

What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)
- A、fiber dispersion
- B、signal attenuation
- C、transmitter power
- D、amplifier bandwidth
- E、receiver dispersion tolerance
正确答案:A,B,E
第3题：

If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm， then what is the accumulated dispersion of an ITU wavelength after it travels 200 km？（）
- A、 0 ps/nm
- B、 340 ps/nm
- C、 200 ps/nm
- D、 3400 ps/nm
- E、 More information is needed.
正确答案:D
第4题：

What is an advantage of an externally modulated laser over a directly modulated laser?（）
- A、lower cost
- B、higher chirp
- C、easier to manufacture
- D、higher dispersion tolerance
- E、higher optical signal-to-noise ratio
正确答案:D
第5题：

A 2.5 Gb/s (OC-48 or STM-16) optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km?（）
- A、none
- B、one
- C、two
- D、three
- E、four
正确答案:C
第6题：

光纤色散的单位是（）。
- A、ps/（km.nm）
- B、ps/km
- C、ps²/km
- D、Gb/s
正确答案:A
第7题：

单选题
The dispersion of a non-zero dispersion shifted fiber is 6 ps/nm*km at 1550 nm and 10 ps/nm*km at 1610 nm. What is the minimum dispersion compensation required if an L-Band DWDM signal travels through 200 km of fiber and has a dispersion tolerance of 1800 ps/nm？（）
A
none
B
-600 ps/nm
C
-200 ps/nm
D
+200 ps/nm
E
+600 ps/nm

正确答案： A
解析：暂无解析
第8题：

单选题
In the OSNR model for EDFA amplifiers， SNR OUT = 1/（1/SNR IN + FhvB/P IN ）， what does SNR IN represent？（）
A
the signal to noise of the current optical amplifier
B
the signal to noise of the previous amplifier or source
C
the signal to noise introduced by the optical multiplexer
D
the accumulated noise to signal ratio of the optical channel

正确答案： D
解析：暂无解析
第9题：

单选题
If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm， then what is the accumulated dispersion of an ITU wavelength after it travels 200 km？（）
A
0 ps/nm
B
340 ps/nm
C
200 ps/nm
D
3400 ps/nm
E
More information is needed.

正确答案： A
解析：暂无解析
第10题：

多选题
What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)
A
fiber dispersion
B
signal attenuation
C
transmitter power
D
amplifier bandwidth
E
receiver dispersion tolerance

正确答案： D,A
解析：暂无解析
第11题：

单选题
The dispersion of a non-zero dispersion shifted fiber is 6 ps/nm*km at 1550 nm and 10 ps/nm*km at 1610 nm. What is the minimum dispersion compensation required if an L-Band DWDM signal travels through 200 km of fiber and has a dispersion tolerance of 1800 ps/nm?（）
A
none
B
-600 ps/nm
C
-200 ps/nm
D
+200 ps/nm
E
+600 ps/nm

正确答案： E
解析：暂无解析
第12题：

单选题
STM-16数码率是（）。
A
155Mb/s
B
622Mb/s
C
2.5Gb/s
D
10Gb/s

正确答案： D
解析：暂无解析
第13题：

What is an advantage of an externally modulated laser over a directly modulated laser?()

A. lower cost
B. higher chirp
C. easier to manufacture
D. higher dispersion tolerance
E. higher optical signal-to-noise ratio

参考答案：D
第14题：

What are three factors that limit the maximum distance of an amplified optical signal without regeneration？（）
- A、 fiber dispersion
- B、 signal attenuation
- C、 transmitter power
- D、 amplifier bandwidth
- E、 receiver dispersion tolerance
正确答案:A,B,E
第15题：

In the OSNR model for EDFA amplifiers, SNR OUT = 1/(1/SNR IN + FhvB/P IN ), what does SNR IN represent?（）
- A、the signal to noise of the current optical amplifier
- B、the signal to noise of the previous amplifier or source
- C、the signal to noise introduced by the optical multiplexer
- D、the accumulated noise to signal ratio of the optical channel
正确答案:B
第16题：

The dispersion of a non-zero dispersion shifted fiber is 6 ps/nm*km at 1550 nm and 10 ps/nm*km at 1610 nm. What is the minimum dispersion compensation required if an L-Band DWDM signal travels through 200 km of fiber and has a dispersion tolerance of 1800 ps/nm?（）
- A、none
- B、-600 ps/nm
- C、-200 ps/nm
- D、+200 ps/nm
- E、+600 ps/nm
正确答案:C
第17题：

Why are the 1300 nm and 1550 nm regions of the fiber spectrum primarily used for optical communications?（）
- A、They are both regions of lowest loss.
- B、They are both regions of low reflections.
- C、They are both regions of low index of refraction.
- D、They are both regions of low chromatic dispersion.
- E、They are both regions of low Polarization Mode Dispersion (PMD).
正确答案:A
第18题：

单选题
If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km?（）
A
0 ps/nm
B
340 ps/nm
C
200 ps/nm
D
3400 ps/nm
E
More information is needed.

正确答案： E
解析：暂无解析
第19题：

单选题
What is an advantage of an externally modulated laser over a directly modulated laser?（）
A
lower cost
B
higher chirp
C
easier to manufacture
D
higher dispersion tolerance
E
higher optical signal-to-noise ratio

正确答案： E
解析：暂无解析
第20题：

多选题
What are three factors that limit the maximum distance of an amplified optical signal without regeneration？（）
A
fiber dispersion
B
signal attenuation
C
transmitter power
D
amplifier bandwidth
E
receiver dispersion tolerance

正确答案： E,C
解析：暂无解析
第21题：

单选题
Why are the 1300 nm and 1550 nm regions of the fiber spectrum primarily used for optical communications?（）
A
They are both regions of lowest loss.
B
They are both regions of low reflections.
C
They are both regions of low index of refraction.
D
They are both regions of low chromatic dispersion.
E
They are both regions of low Polarization Mode Dispersion (PMD).

正确答案： E
解析：暂无解析
第22题：

单选题
A 2.5 Gb/s （OC-48 or STM-16） optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km？（）
A
none
B
one
C
two
D
three
E
four

正确答案： B
解析：暂无解析
第23题：

单选题
What is an advantage of an externally modulated laser over a directly modulated laser？（）
A
lower cost
B
higher chirp
C
easier to manufacture
D
higher dispersion tolerance
E
higher optical signal-to-noise ratio

正确答案： D
解析：暂无解析

A 2.5 Gb/s (OC-48 or STM-16) optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km?（）A.noneB.oneC.twoD.threeE

题目

相似考题

参考答案和解析

更多“A 2.5 Gb／s (OC－48 or STM－16) optical signal with a dispersion tolerance of 1200 ps／nm goes ”相关问题

相关内容