What is the difference between CWDM and DWDM ??
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CWDM has a wider channel spacing than DWDM — the nominal difference in frequency or wavelength between two adjacent optical channels. ... DWDM systems, on the other hand, can carry 40, 80, 96 or up to 160 wavelengths by utilizing a much narrower spacing 0.8/0.4 nm (100 GHz/50 GHz grid).
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1
Answer:
CWDM has a wider channel spacing than DWDM — the nominal difference in frequency or wavelength between two adjacent optical channels. ... DWDM systems, on the other hand, can carry 40, 80, 96 or up to 160 wavelengths by utilizing a much narrower spacing 0.8/0.4 nm (100 GHz/50 GHz grid).
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