The wavelengths of CWDM channels are spaced 20 nm apart that enables the use of low-cost, uncooled lasers. The wavelengths usually consist of 1270 nm to 1610 nm.Today, CWDM Mux/Demux module is a vital device to enhance the current fiber cable capacity by transmitting multiple wavelengths with as much as 18 signal channels over the single fiber of sfp+ transceiver

When having a CWDM multiplexer at the start of the network, accordingly a CWDM demultiplexer really should be used for the opposite end to part ways the wavelengths and direct them in the correct receivers. This greatly cuts down on the number of fiber cables and also other data links.

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Install CWDM SFP transceivers. Since each channel features a specific wavelength, transceivers must comply with all the right wavelengths. Each wavelength shouldn't appear more often than once in the system. Device pairs must carry transceivers with all the same wavelength.

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