In WDM(Wavelength Division Multiplexing) system, what's the difference between CWDM and DWDM? What are their respective benefits? How do they work and how to use them? A brief introduction video to show you!
Just a heads up, at 1:52 the video has CWDM and DWDM Distance backwards. DWDM goes 80km and can be amplified where CWDM is rated for 70km and can't be amplified.
