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Fiber Optic Networking

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ALSO CALLED: Fibre, Fiber Optics, Optical Networking
DEFINITION: A reconfigurable optical add-drop multiplexer (ROADM) is a device that can add, block, pass or redirect modulated infrared (IR) and visible light beams of various wavelengths in a fiber optic network. ROADMs are used in systems that employ wavelength division multiplexing.Before the development of optical multiplexing devices such as ROADMs, signal routing in fiber optic networks was done by converting  … 
Definition continues below.
Fiber Optic NetworkingWhite Papers (View All Report Types)
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How to Properly Maintain a Fiber Optic Infrastructure
sponsored by CommScope
WHITE PAPER: Access this white paper to discover best practices for maintaining a fiber optic infrastructure and minimize damage and failures.
Posted: 01 Oct 2012 | Published: 01 Oct 2012

CommScope

The Impact of Carrier Ethernet on Service Providers
sponsored by Dorado Software
WHITE PAPER: Mobile internet access and the explosive demand for high bandwidth services on mobile devices have created a pivotal point for service providers. Those providers that can meet the new demands while increasing efficiency will be able to increase their market share, while those that are not will lose ground. Read on to learn how to keep up.
Posted: 21 Sep 2009 | Published: 21 Sep 2009

Dorado Software

Best Practices Guide: Cabling the Data Center
sponsored by Brocade
WHITE PAPER: This guide describes best practices for incorporating cabling in a typical data center, plus tips for selecting cabling components and information on data transmission media.
Posted: 01 Sep 2009 | Published: 01 Sep 2007

Brocade
3 Matches
 
FIBER OPTIC NETWORKING DEFINITION (continued): …  the IR or visible beams to electrical signals and routing those signals using conventional electronic switches. The rerouted electrical signals were then converted back into IR or visible beams.In a conventional ROADM, switching is accomplished without optical-to-electrical or electrical-to-optical conversion using three operations called add, drop and cut-through. An outgoing IR or visible beam can be generated (the add operation) or an incoming beam terminated (the drop operation). A beam can also be passed through the device without modification (the cut-through operation). In combination, … 
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