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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.
CWDM Reports
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6 Reasons Your Workloads Demand a Server Refresh Now
sponsored by Dell EMC and Microsoft
DATA SHEET: Explore six benefits of upgrading aging servers to a new generation of servers that deliver dramatic performance improvements for virtualization, converged IT, hybrid cloud, and big data. You'll discover how refreshing your servers can empower IT and transform your business.
Posted: 19 Sep 2016 | Published: 19 Sep 2016

Dell EMC and Microsoft

6 Steps to Software-defined Data Center Adoption
sponsored by Logicalis
WHITE PAPER: What steps should you take to realize the software-defined data center model? Find out six steps for your software-defined data center adoption and how you can enable automation today.
Posted: 18 Oct 2016 | Published: 18 Oct 2016


7 Use Cases for Meeting Your Comprehensive Test Data Needs
sponsored by CA Technologies
RESOURCE: Address quality and compliance challenges that arise from provisioning large copies of production data with a comprehensive test data management solution. Read on to learn 7 methods for the reduction of IT ops complexity in application delivery and in DevOps development.
Posted: 08 Sep 2016 | Published: 08 Sep 2016

CA Technologies

7 Ways to Make Yourself Harder to Hack
sponsored by LogicNow
WHITE PAPER: Whether you call it layered security or defense in depth, layers of control buys you time to respond effectively. Access now to learn more about integrated tools that cover security and network management for MSPs.
Posted: 25 Oct 2016 | Published: 25 Oct 2016


8 Essential Helpdesk Tools Every IT Pro Needs
sponsored by Solarwinds N-able
EBOOK: Communication is the key to success. IT helpdesk services realize this and require the best tools to bolster communication between users and IT staff. Discover the top 8 essential tools that every helpdesk service needs to succeed and a single system that delivers them all.
Posted: 19 May 2016 | Published: 29 Apr 2016

Solarwinds N-able

8 Reasons to Rethink Virtualization in Your Datacenter
sponsored by Nutanix
WHITE PAPER: The time has come for virtualization to become integrated as a core feature into the rest of the infrastructure. Explore an infrastructure platform delivering enterprise-class storage, compute, and virtualization services for any app and learn eight benefits of integrating virtualization in your data center infrastructure.
Posted: 23 Sep 2016 | Published: 31 Dec 2015


8 Tips for Building an IT Asset Management Program
sponsored by ServiceNow
WHITE PAPER: This white paper outlines 8 specific recommendations for building an IT Asset Management (ITAM) program that delivers measurable business value while saving you time, money, and hassle.
Posted: 11 Sep 2015 | Published: 11 Sep 2015


8 tips to ensure your server technology supports your business growth
sponsored by
WHITE PAPER: Servers are the workhorse of the modern business, and as IT demands increase, so your server technology needs to be able to grow and scale cost-effectively to meet future requirements.
Posted: 20 Oct 2011 | Published: 19 Oct 2010

8 Ways to Boost Your Bottom Line
sponsored by Medfusion
WHITE PAPER: Patients are the core of your practice, but revenue is the lifeblood. Accelerating your patient payments doesn't have to be overwhelming. Access this resource to boost your bottom line by asking 8 questions of your current system.
Posted: 29 Aug 2016 | Published: 29 Aug 2016


6 Reasons to Boot Enterprise Servers From Enhanced SSD
sponsored by Micron Technology
WHITE PAPER: Choosing between HDD and SSD as you build your server? Find out how SSD creates better resiliency, lower costs and more.
Posted: 01 Dec 2015 | Published: 01 Dec 2015

TOPICS:  IT Management
Micron Technology

6 Tips for Building a Future-Ready Infrastructure
sponsored by Dell, Inc. and Intel®
WHITE PAPER: Tomorrow's workloads will be even heavier than today's. Learn how to future-proof your server to scale as demand grows.
Posted: 11 Mar 2015 | Published: 31 Jan 2015

TOPICS:  IT Management
Dell, Inc. and Intel®

7 Essential Tips to Ensure Success with RM
sponsored by Jama Software
WHITE PAPER: A company’s overall success largely relies on the software team’s success. Organizations that embrace this concept experience less frustration, fewer errors, and faster planning and development cycles. Read this guide to learn about seven essential tips to help you be more successful with requirements management and software development.
Posted: 08 Dec 2009 | Published: 18 Aug 2011

Jama Software

7 Keys to Success for Managing a Business-Critical Cloud with Confidence
sponsored by Hewlett Packard Enterprise
WHITE PAPER: Need a few tips on how to manage your cloud infrastructure? Here are seven best practices that will keep your business-critical cloud environment up and running.
Posted: 01 May 2012 | Published: 26 Apr 2012

Hewlett Packard Enterprise

7 Vital Tips for Video Meetings Sales Success
sponsored by IBM
WHITE PAPER: This brief by Gihan Perera, founder of First Step Communications, provides 10 practical tips for keeping control of your online meetings.
Posted: 24 Feb 2011 | Published: 29 Jan 2013


7 Ways SteelFusion and Branch IT Resemble Your Smartphone
sponsored by Riverbed Technology, Inc.
WEBCAST: What do smartphones and HCI have in common? Find out how to rethink IT and keep it as simple and seamless as your phone.
Posted: 02 Dec 2015 | Premiered: Dec 2, 2015

TOPICS:  IT Management
Riverbed Technology, Inc.

7 Ways the Best Hyperconvergence Is Like Your Smartphone
sponsored by Riverbed Technology, Inc.
WHITE PAPER: Is branch IT a problem for your organization? Improve management by examining best practices in another area: devices.
Posted: 02 Dec 2015 | Published: 02 Dec 2015

TOPICS:  IT Management
Riverbed Technology, Inc.

8 Common Mistakes of Windows 7 Migration
sponsored by Dell, Inc.
WEBCAST: Join this interactive webcast to learn more about:• Common mistakes that people make during the OS migration project • How Dell overcame mistakes we made during our migration • How Dell helped other companies overcome common mistakes • Goodness that came out of the migration program
Posted: 15 Apr 2011 | Premiered: Apr 27, 2011, 12:00 EDT (16:00 GMT)

Dell, Inc.

8 Questions You Should Ask About Linux Systems Management
sponsored by Red Hat and JBoss
WHITE PAPER: IT organizations are always looking for ways to save money and time without compromising on issues like security or compliance. Exploring the value of your systems management solution is a lot easier when you know the right questions to ask. We have a few suggestions for how to get started.
Posted: 29 Jul 2009 | Published: 28 Jul 2009

Red Hat and JBoss

8 Quick Tips to Choosing Virtual Management Tools
sponsored by Starview Inc.
EGUIDE: Review this e-guide, brought to you by, for eight expert tips for choosing virtualized management tools and monitoring software and learn more about automating server management and IT processes.
Posted: 19 Jun 2013 | Published: 19 Jun 2013

Starview Inc.

8 reasons why Citrix NetScaler beats F5
sponsored by Citrix
WHITE PAPER: This white paper discusses eight important areas where Citrix NetScaler beats F5 in making enterprise networks cloud ready.
Posted: 07 Oct 2011 | Published: 07 Oct 2011


802.11ac Migration Guide
sponsored by Aruba Networks
WHITE PAPER: This resource provides the basics of 802.11ac and outlines a number of strategies and recommendations that will help you plan your 802.11ac migration. View now to learn more!
Posted: 17 Jul 2013 | Published: 20 May 2013

Aruba Networks

9 Reasons Why NetScaler Beats F5
sponsored by Citrix
WHITE PAPER: This whitepaper compares two market-leading application delivery controllers (ADCs) to help your organizations find the one that best aligns with your business needs.
Posted: 12 Aug 2013 | Published: 31 May 2013


A Better Way to Manage Desktops: HP Workplace Management Services
sponsored by Hewlett-Packard Enterprise
WHITE PAPER: Enterprises need to give employees a full, flexible and configurable managed desktop environment to meet diverse business requirements and user productivity needs. Find out how HP can help.
Posted: 02 Sep 2014 | Published: 29 Aug 2014

Hewlett-Packard Enterprise

A Business Guide to MPLS IP VPN Migration: Five Critical Factors
sponsored by XO Communications
WHITE PAPER: Uncover five critical factors for a successful migration to an MPLS IP VPN service in this whitepaper. Learn the evolving needs of today’s enterprise networks and uncover how an MPLS-based IP VPN can help you fulfill these wants and needs.
Posted: 25 May 2012 | Published: 30 Apr 2012

XO Communications

A Business Risk Approach to IT Governance
sponsored by IBM
WHITE PAPER: Learn best practices for assessing overall effectiveness in today's highly distributed organizations and how to manage IT risks. Also discover the role a centralized IT governance system can play in realizing your IT governance strategy.
Posted: 20 Jul 2016 | Published: 30 Sep 2011

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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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