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CWDM

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ALSO CALLED: Wavelength-division Multiplexing, WDM, Coarse Wavelength Division Multiplexing, Wave Division Multiplexing, Coarse Wave Division Multiplexing
DEFINITION: Wavelength-division multiplexing (WDM) is a method of combining multiple signals on laser beams at various infared (IR) wavelengths for transmission along fiber optic media. Each laser is modulated by an independent set of signals. Wavelength-sensitive filters, the IR analog of visible-light color filters, are used at the receiving end.WDM is similar to frequency-division multiplexing (FDM). But instead  … 
Definition continues below.
CWDMWhite Papers (View All Report Types)
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Better customer experiences start with digitisation
sponsored by Hewlett-Packard Limited
WHITE PAPER: In this expert report from ComputerWeekly, learn about the digitization imperative and how your organization can revolutionize customer experiences.
Posted: 05 Feb 2014 | Published: 05 Feb 2014

Hewlett-Packard Limited

Beyond Work-Life Balance
sponsored by Hewlett-Packard Limited
WHITE PAPER: This white paper takes an uncommon look at how – thanks to mobile and cloud technologies – the world of work is changing and why. Specifically, it focuses on ways IT leaders can be proactive about building a work environment that's ready for the future.
Posted: 12 Nov 2012 | Published: 12 Nov 2012

Hewlett-Packard Limited

Big Data Analytics - Meeting Business Needs and Raising IT’s Profile in the Organization
sponsored by SAS
WHITE PAPER: IT has long played a reactionary role in company analytics initiatives, but with new challenges that big data presents, CIOs can lead their company by implementing a strategic, business-enabling technology. Read this resource to learn how CIOs can implement a strategic big data analytics architecture that supports overall business initiatives.
Posted: 11 Apr 2013 | Published: 14 Mar 2013

SAS

Binary and IP Address Basics of Subnetting
sponsored by Global Knowledge
WHITE PAPER: This paper focuses on the mathematics of binary numbering and IP address structure.
Posted: 27 Aug 2014 | Published: 27 Aug 2014

Global Knowledge

Bluewave Computing Realizes Million-Dollar Productivity Gains with N-Able Technologies
sponsored by N-able Technologies
WHITE PAPER: Access this case study to learn how one organization was able to upgrade their service automation platform and deliver benefits in terms of improved productivity, efficiency, and customer retention.
Posted: 16 Sep 2014 | Published: 16 Sep 2014

N-able Technologies

Break Away to Efficient, Responsive Project and Portfolio Management
sponsored by CA Technologies.
WHITE PAPER: View this infographic to explore the common pitfalls of IT project management, and learn how a cloud-based project portfolio management (PPM) tool can help you avoid them.
Posted: 10 Jun 2014 | Published: 10 Jun 2014

CA Technologies.

Breaking Through the GRC Value Ceiling
sponsored by RSA, The Security Division of EMC
WHITE PAPER: In this white paper, gain information to determine whether your governance, risk and compliance (GRC) tools have yet to maximize their full value, and discover 3 ways that you can go beyond to bring significant ROI.
Posted: 05 Dec 2013 | Published: 05 Dec 2013

RSA, The Security Division of EMC

Bridging the Business/IT Divide in B2B Integration
sponsored by IBM
WHITE PAPER: This research report presents results from a survey of 360 line of business managers in regards to B2B integration, and also offers recommendations on narrowing the gap between business and IT to maximize returns from B2B integration initiatives.
Posted: 16 Jun 2014 | Published: 30 May 2014

IBM

Bring Increased Agility & Availability to Business Applications
sponsored by NEC Corporation of America
WHITE PAPER: Read this informative white paper now to uncover the key features of a virtualization tool which will help you expand the benefits of virtualization to business applications such as SQL Server.
Posted: 01 May 2014 | Published: 31 Dec 2013

NEC Corporation of America

Best Practices for Virtual Infrastructure Management
sponsored by Brocade
WHITE PAPER: By understanding the unique management challenges of virtualized environments and leveraging innovative solutions to meet those challenges, you will be able to help your organization reap the wide range of business benefits that virtualization can deliver.
Posted: 28 Jan 2010 | Published: 28 Jan 2010

Brocade

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

Best Practices in Instant Messaging Management
sponsored by Dell Software
WHITE PAPER: Instant messaging is a powerful tool, but is your organization protected from malware/viruses, reduced productivity and accidental transfer of sensitive documents? Read this paper to learn how to mitigate these risks.
Posted: 29 Oct 2008 | Published: 29 Oct 2008

Dell Software

Best Practices in Lifecycle Management: Comparing Suites from Dell KACE, Symantec, LANDesk, and Microsoft
sponsored by Dell KACE
WHITE PAPER: This white paper points out the challenges of selecting a lifecycle management tool and presents a comparison of various technologies on the market. Explore 45 key features across seven areas, including discovery, inventory, asset management, and more.
Posted: 08 Aug 2011 | Published: 01 Jan 2011

Dell KACE

Beyond FTP: Securing and Managing File Transfers
sponsored by Linoma Software
WHITE PAPER: Every day, millions of files are exchanged all over the world by corporations, government entities and other organizations. Most file transfers use the popular protocol known as FTP. This paper will examine how FTP has become the standard for business-to-business file transfers and the key pitfalls that face management using this open protocol.
Posted: 15 Mar 2010 | Published: 15 Mar 2010

Linoma Software

BI and ETL - Process Management Pain Points
sponsored by Cisco Systems, Inc.
WHITE PAPER: Sound business intelligence (BI) reporting can be invaluable in helping your business peers make the best decisions for your company. Ensuring error-free, end-to-end integration of data between processes distributed throughout your organization, however, can be challenging. Learn how scheduling and process automation technologies can help.
Posted: 14 Feb 2012 | Published: 14 Feb 2012

Cisco Systems, Inc.

BI and ETL Process Management Pain Points -- Cisco WP
sponsored by Cisco Systems, Inc.
WHITE PAPER: You must ensure that the processes that move data from source to target systems run smoothly and quickly and that any errors are identified and resolved rapidly. This white paper takes a closer look at five common BI and ETL process management challenges that companies must address to deliver accurate data in a timely manner.
Posted: 29 Jul 2011 | Published: 29 Jul 2010

Cisco Systems, Inc.

Big Five in Overdrive- Are State and Local Networks Ready?
sponsored by Brocade
WHITE PAPER: This informative whitepaper explores state and local governments - asking the question, are their networks ready for the "Big Five of IT."
Posted: 18 Jun 2014 | Published: 10 Feb 2014

Brocade

BMC Atrium Discovery and Dependency Mapping
sponsored by BMC Software
WHITE PAPER: This whitepaper discusses a solution that can end the days of manual audits in your data center with more accurate mapping practices.
Posted: 16 Dec 2013 | Published: 15 Dec 2009

BMC Software

Borderless Applications and the Changing Face of Application Performance Management
sponsored by Compuware Corporation
WHITE PAPER: This paper discusses the shift in application performance management by IT operations and it provides insight into how best to ensure applications spanning across all boundaries of enterprise and the Internet can successfully be monitored and managed to meet the needs of the business.
Posted: 12 Apr 2011 | Published: 12 Apr 2011

Compuware Corporation

Borderless Network Access
sponsored by Cisco Systems, Inc.
WHITE PAPER: Borderless Networks, a Cisco® next-generation architecture for agile delivery of services and applications, delivers a new workspace experience, connecting anyone, anywhere, using any device, to any resource: securely, reliably, and seamlessly. Read this paper to learn more about the Cisco Borderless Networks architecture.
Posted: 23 Mar 2010 | Published: 23 Mar 2010

Cisco Systems, Inc.

Bridge the SAP Basis Support Gap
sponsored by Symmetry Corporation
WHITE PAPER: View this informative white paper to learn how you can get round-the-clock coverage and proactive monitoring for your SAP environment, all at a reasonable price with the right partner for SAP Basis.
Posted: 20 May 2014 | Published: 20 May 2014

Symmetry Corporation

Bridging the Gap Between IT and Business
sponsored by Code42
WHITE PAPER: This important resource examines some of the most common challenges that IT pros face when dealing with business users and provides helpful tips for working with them in a way that is beneficial to the organization as a whole.
Posted: 28 Oct 2013 | Published: 28 Oct 2013

Code42

Bring Networks and Applications Closer—Cisco ONE
sponsored by Cisco Systems, Inc.
WHITE PAPER: Discover how Cisco ONE Enterprise Networks Architecture helps you automate IT and simplify deployment, operation, and management tasks with an open foundation.
Posted: 19 Dec 2013 | Published: 31 Oct 2013

Cisco Systems, Inc.

Bring-Your-Own-Device Requires New Network Strategies
sponsored by Xirrus
WHITE PAPER: This resource examines the need for new network strategies in the age of bring-your-own-device (BYOD) and mobility. Inside, learn about the challenges of current network architecture, and uncover the value of wireless LAN.
Posted: 31 Jul 2013 | Published: 30 Sep 2012

Xirrus

Bringing Order to IT Chaos in Remote Offices
sponsored by Dell India
WHITE PAPER: Take a look at this exclusive resource to find out how this converged infrastructure hardware can help you enable business success.
Posted: 18 Feb 2014 | Published: 30 Jun 2013

Dell India
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CWDM DEFINITION (continued): …  of taking place at radio frequencies (RF), WDM is done in the IR portion of the electromagnetic (EM) spectrum. Each IR channel carries several RF signals combined by means of FDM or time-division multiplexing (TDM). Each multiplexed IR channel is separated, or demultiplexed, into the original signals at the destination. Using FDM or TDM in each IR channel in combination with WDM of several IR channels, data in different formats and at different speeds can be transmitted simultaneously on a single fiber.In early WDM systems, there were two IR channels per fiber. At the destination, the IR channels … 
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