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What is DWDM? In telecommunications, Dense Wavelength Division Multiplexing (DWDM) is a network transport technology that allows data from different sources to combine together over an optical fiber with each signal being carried at the same time on its own light wavelength. Dense Wavelength Division Multiplexing is also commonly referred to as DWDM, Optical Wavelength, Wave Division Multiplexing (WDM), Network Multiplexing and Optical Transport Network. Dense Wavelength Division Multiplexing (DWDM) allows businesses to interconnect multiple locations with high capacity bandwidth.
With Dense Wavelength Division Multiplexing (DWDM), up to 80 separate wavelengths of data can be multiplexed into a light-stream transmission on a single optical fiber. In a DWDM network with each channel carrying 2.5 Gbps, up to 200 billion bits per second can be delivered over DWDM fiber. With Dense Wavelength Division Multiplexing (DWDM) allows different data formats to be transferred at different rates together. Internet Protocol (IP) data, SONET and Asynchronous Transfer Mode (ATM) data all at the same time over DWDM optical fiber.
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