dwdm in English
DWDM (Dense Wavelength Division Multiplex)
technology for transmitting data by light waves via optical fibers (each signal is sent on its own wavelength - up to 80 channels can be sent through a single optical fiber)
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1. Coarse wavelength division multiplexing (CWDM) is a method of combining multiple signal s on laser beams at various wavelength s for transmission along fiber optic cables, such that the number of channel s is fewer than in dense wavelength division multiplexing (DWDM) but more than in standard wavelength division multiplexing (WDM).