CWDM Archives - Blog of FS.COM
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Introduction to CWDM Technology and Its Application

Posted on by FS.COM

WDM (wavelength division multiplexing) enables carriers to deliver more services over existing optical fiber infrastructure by combining multiple wavelengths on a single fiber. Eac

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40GBASE-LR4 QSFP+ Transceiver Links: CWDM and PSM

Posted on by FS.COM

As we all know, 40GBASE-SR4 QSFP+ transceivers usually use a parallel multimode fiber (MMF) link to achieve 40G. It offers 4 independent transmit and receive channels, each capable

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From O to L: the Evolution of Optical Wavelength Bands

Posted on by FS.COM

In optical fiber communications system, several transmission bands have been defined and standardized, from the original O-band to the U/XL-band. The E- and U/XL-bands have typical

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An Overview of Active and Passive Components

Posted on by FS.COM

There are many different types of components used for communication. All these components fall under two categories, fiber optic active components and fiber optic passive componen

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What Is the Difference Between DWDM and CWDM Optical Technologies?

Posted on by FS.COM

There are several differences between DWDM multiplexer and CWDM multiplexer systems. CWDM systems are older and cannot fit as many data streams. CWDM systems, however, are also les

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