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Why Is OTN Becoming More And More Important?
In an era of various services operating, telecom operators will be transformed into the comprehensive service providers of information and communications technology (ICT).The abundant services drive...
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The OTN Online Tutorial
Introduction As we known, the core of most current operator networks is the a synchronous digital hierarchy/ synchronous optical network (SDH/SONET), which has always offered good fault management,...
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The Comparison Of WDM And TDM
The Principles of WDM and TDM System Wave-division multiplexing (WDM) is a technology which multiplexes a number of optical carrier signals onto a single optical fiber by using different wavelengths...
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The Application of EDFA
1.Introduction Optical amplifiers is the critical technology for the optical communication networks, enabling the transmission of many terabits of data over distances from a few hundred kilometers to...
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The Introduction to AON
1.Background With the rapid development and globalization of the modern society, a large quantity of data needs to be transmitted, thus resulting in the explosive growth of information content. The...
View Article40G Solutions: Duplex Fiber or MPO/MTP Fiber?
There’s been a lot of talk lately surrounding bidirectional 40 Gb/s duplex applications, or BiDi for short. Currently offered as a solution by Cisco®, BiDi runs over duplex OM3 or OM4 multimode fiber...
View ArticleGetting to Know Optical Circulator
The utilization of optical circulator starts from the 1990s, and now it has become one of the important elements in advanced optical communication systems. Similar to the function of an electronic...
View ArticleDifferent Ports on WDM Mux/Demux
In the WDM (wavelength-division multiplexing) system, CWDM (coarse wavelength-division multiplexing) and DWDM (dense wavelength-division multiplexing) Mux/Demux (multiplexer/demultiplexer) modules are...
View ArticleComparison Between EPON and GPON
PON is the abbreviation of passive optical network, which only uses fiber and passive components like fiber splitter and combiner. EPON （Ethernet PON) and GPON (Gigabit PON) are the most important...
View ArticleOverview of PON Network
PON has now became a popular network technology all over the globe. It first came in to being in 1995. The International Telecommunication Union (ITU) standardized two initial generations of PON – APON...
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