![]() In telecommunications WDM (Wave Division Multiplexing) is used to optimize and maximize the use of fiber. By multiplexing and demultiplexing multiple data streams with fiber multiplexer, you can achieve this so that over a single fiber they can be transported simultaneously. With the use of this system, WDM will allow a single fiber to be split into multiple traffic channels. Apart from allowing more flexibility in traffic volume, it also gives flexibility in the transmission of types of data. These traffic channels are the same as the lanes on a motorway with the use of the analogy of a road network, which depending on the amount of traffic at different points of the journey increase and decreases. Multiplexers, at each endpoint, are usually placed within a telecommunications network and are known as terminal muxes. Multiplexing and demultiplexing within the same module are performed for this particular reason they are known as mux/Demux modules. Within the network, these small to medium-sized modular cards do not need a direct power supply. You can buy fiber splitter online. Original WDM systems could carry two bi-directional channels over a pair of fibers; however, there has been rapid evolvement in the technology which has resulted in both the number of data volume and channels per channel increasing significantly. Optical add-drop multiplexers As at the ends of the network, the locations of multiplexers are so that at different points along with the network, traffic also needs to enter and leave the stream much like junctions in a road. Between the two end-points networks have few additional sites which also contain a fiber multiplexer which provides direct connections between it and another site. In different other cases, networks have additional sites that for some need connectivity, but not all traffic. PLC splitter is reliable. Another type of passive module is used when this is the case; an optical add-drop multiplexer, otherwise known as an OADM. Its working is by extracting the wavelengths that are needed for the site and bypassing the rest of the traffic. Due to this ability, you can establish ring, distribution, and access networks. Main source: https://fibermart.blogspot.com/
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