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DWDM system supports ultra-long-haul transmission via a single fiber, coupled with DWDM MUX/DEMUX and OADM with speed protocols of up to 100G/200G per channel.The DWDM passive Mux/Demux modules deliver the benefits of a Dense Wave Division Multiplexer in a fully passive solution.SOPTO DWDM Mux/Demux are modular, scalable and are perfectly suited to transport PDH, SDH / SONET, ETHERNET services over WWDM, CWDM and DWDM in optical metro edge and access networks.

DWDM Module is usually act as the internal unit of DWDM MUX/DEMUX, it is usually designed to be a ABS Cassette.1*2 DWDM filter is usually a Steel tube or a mini ABS box.

DWDM Optical Add/Drop multiplexer (OADM) is a passive optical device used in WDM networks for adding and dropping one/multiple 100 GHz DWDM channels in the C-band into one or two fibers, while letting the rest of the wavelengths bypass to the needed destination.Using the DWDM technology can add effectively WDM capability to their existing and new networks, and extend the optical signals transmission distance.