DWDM Fiber Optic Devices Oct 30, 2008

dwdm is an important technology in nowadays fiber optic network.dwdm carry more fiber channel compared with cwdm.dwdm is usually used on fiber optic backbones and long distance data transmission.Thanks to dwdm technology, a single optical fiber capacity nowadays could reach 400Gb/s,and this capacity may even enlarge with more channels are added in dwdm. A critical advantage of dwdm is its protocol is not related to its transmission speed, thus IP, ATM, SONET/SDH, Ethernet, these protocols could be used and transmission speed between 100Mb/s to 2.5Gb/s. dwdm could transmit different type of data at different speed on the same channel.

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