Huawei
H31-341_V2.5 · Question #695
In the DWDM system, which of the following options are the main reasons why only 1550nm transmission window is selected instead of 1310nm? (Multiple choice)
The correct answer is B. The working wavelength flat region of EDFA is included in this window D. The 1550nm wavelength region is suitable for long-distance transmission. See the full explanation below for the reasoning.
Question
In the DWDM system, which of the following options are the main reasons why only 1550nm transmission window is selected instead of 1310nm? (Multiple choice)
Options
- A1310nm is not at the low loss point
- BThe working wavelength flat region of EDFA is included in this window
- CThe nonlinear effect in the 1550nm wavelength region is small
- DThe 1550nm wavelength region is suitable for long-distance transmission
How the community answered
(31 responses)- A10% (3)
- B84% (26)
- C6% (2)
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