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Channel Service Units/Data Service Units

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ALSO CALLED: DSU/CSU, CSU, Digital Service Units, CSU/DSU, Data Service Units, DSU, Channel Service Units
DEFINITION: A CSU/DSU (Channel Service Unit/Data Service Unit) is a hardware device about the size of an external modem that converts a digital data frame from the communications technology used on a local area network (LAN) into a frame appropriate to a wide-area network (WAN) and vice versa. For example, if you have a Web business from your own home and have leased a digital line (perhaps a T-1 or fractional  … 
Definition continues below.
Channel Service Units/Data Service UnitsWhite Papers (View All Report Types)
26 - 50 of 146 Matches Previous Page  | Next Page
Choosing Between Room, Row, and Rack-based Cooling for Data Centers
sponsored by Schneider Electric
WHITE PAPER: Access this white paper to find out about the impact new data center hardware is having on power and cooling and the emerging containment strategies for room, row, and rack-based cooling to combat these inefficiencies.  Read on to learn more about these improved cooling methods and when to use each type.
Posted: 21 Jan 2013 | Published: 21 Jan 2013

Schneider Electric

Dell PowerEdge C8000 Series: Flexible, Powerful, and Efficient
sponsored by Dell, Inc. and Intel®
WHITE PAPER: Check out this brief resource to learn about the Dell PowerEdge C8000 – the only shared infrastructure which enables organizations to easily reconfigure, refresh and scale out as needed.
Posted: 19 Feb 2014 | Published: 19 Feb 2014

Dell, Inc. and Intel®

Deploying Red Hat Enterprise Virtualization on HP Converged System 700x
sponsored by HP and Intel
WHITE PAPER: Access this exclusive, in-depth resource to find out how HP's latest solution for virtual environments can benefit your organization.
Posted: 04 Mar 2014 | Published: 31 Dec 2013

HP and Intel

Desktop Virtualization for On-Demand Growth
sponsored by Citrix
WHITE PAPER: Access this exclusive, informative resource to find out how one data center solution can provide you with the support you need for desktop virtualization.
Posted: 14 Mar 2014 | Published: 31 Dec 2013

Citrix

Driving Innovation in the Banking Industry: Cutting Edge Computing Platforms Make a Difference
sponsored by IBM
WHITE PAPER: Explore this informative white paper to find out how a fast, agile and resilient computing platform can propel your bank towards success.
Posted: 10 Feb 2014 | Published: 10 Feb 2014

IBM

Dynamic Infrastructures for VMware vCloud
sponsored by Fujitsu
WHITE PAPER: Check out this exclusive white paper to discover how a VMware-based infrastructure solution can accelerate cloud infrastructure implementation, while reducing maintenance costs and effort.
Posted: 05 Mar 2014 | Published: 31 Dec 2012

Fujitsu

Buyer's Guide: What Every Business Needs to Know When Selecting a Phone System
sponsored by RingCentral
WHITE PAPER: This step-by-step guide helps you choose the right phone system based on your overall business goals.
Posted: 17 Feb 2014 | Published: 31 Dec 2013

RingCentral

Can Your Data Center Infrastructure Handle the Heat of High Density
sponsored by CyrusOne
WHITE PAPER: High density computing is today's standard in best-in-class performance and availability, and those that fail to keep pace or fall behind will find themselves no longer competitive in today's markets.
Posted: 11 Aug 2008 | Published: 01 Aug 2008

CyrusOne

Cisco UCS C-Series Rack Servers for Microsoft Exchange 2010
sponsored by Insight
WHITE PAPER: Explore this solution brief to learn about an innovative rack server series specifically designed to help organizations deploy and effectively run Microsoft Exchange Server environments. Learn more about the advanced features and benefits of this hardware.
Posted: 22 Apr 2013 | Published: 22 Apr 2013

Insight

Closed Loop Lifecycle Planning©: Optimizing for Energy Efficiency in the Upcoming Technology Refresh Cycle
sponsored by Hewlett-Packard Company
WHITE PAPER: This paper encourages all businesses, regardless of size and complexities, to consider a more formal "green" strategy in regards to client computing and the technology refresh cycle.
Posted: 20 Oct 2008 | Published: 17 Oct 2008

Hewlett-Packard Company

Configuration and Change Management for IT Compliance and Risk Management
sponsored by Tripwire, Inc.
WHITE PAPER: This white paper discusses key issues surrounding configuration management and compliance, such as the IT department's need to lower costs, increase management flexibility and control, and increase responsiveness to business needs and requirements.
Posted: 08 Jan 2009 | Published: 01 Nov 2007

Tripwire, Inc.

Considerations for Building Video Chat and Streaming Applications
sponsored by Oxagile
WHITE PAPER: This whitepaper stacks up against each other the chat solutions and media servers that will set an underlying base for either custom video streaming or video chat products that you might consider building.
Posted: 07 Aug 2013 | Published: 07 Aug 2013

Oxagile

Considerations for Deploying Deduplication in a Small Business Environment
sponsored by Quantum Corporation
WHITE PAPER: Deduplication has been one of the hottest technologies in the storage industry for almost three years and has grown into a mainstream technology from the large enterprise down to the small business and remote office. Read this white paper to learn the important questions for SMB managers to ask.
Posted: 10 Dec 2010 | Published: 10 Dec 2010

Quantum Corporation

Converged Video Network Security
sponsored by Alcatel-Lucent
WHITE PAPER: Internet Protocol Television (IPTV) has created new opportunities for traditional voice and data carriers, the technology also comes with a high level of risk due to attacks by fraudsters and hackers. Read this paper and learn how to protect yourself.
Posted: 20 Aug 2008 | Published: 01 Apr 2007

Alcatel-Lucent

Customers Achieve Extreme Performance at Lowest Cost with Oracle Exadata Database Machine
sponsored by Oracle Corporation
WHITE PAPER: This white paper contains a sampling of real business results that organizations in a variety of industries worldwide have achieved by implementing Oracle Exadata. Read now to learn more.
Posted: 26 Mar 2012 | Published: 31 Dec 2011

Oracle Corporation

Dell PowerVault MD3000 1000 Mailbox Local Continuous Replication Microsoft Exchange 2007 Storage Solution
sponsored by Dell, Inc.
WHITE PAPER: This white paper describes a tested and validated storage solution for a 1000 mailbox Exchange Server 2007 environment with Local Continuous Replication (LCR) feature.
Posted: 27 Aug 2008 | Published: 27 Aug 2008

Dell, Inc.

Dell PowerVault MD3000 3000 Mailbox Single Copy Cluster Microsoft Exchange 2007 Storage Solution
sponsored by Dell, Inc.
WHITE PAPER: This white paper describes a tested and validated storage solution for a 3000 mailbox Exchange 2007 environment with Single Copy Cluster in a high availability clustering mechanism based on the Microsoft Cluster Service shared storage.
Posted: 27 Aug 2008 | Published: 27 Aug 2008

Dell, Inc.

Dell: Expanding Its Position as an HPC Market Leader
sponsored by Dell, Inc. and Intel®
WHITE PAPER: With several offerings available, choosing the ideal high performance computing (HPC) offering for your business can be a daunting task. This resource examines one well-reputed HPC vendor and explains how it differentiates itself in the competitive marketplace.
Posted: 02 Apr 2012 | Published: 01 Apr 2011

Dell, Inc. and Intel®

Deploying Microsoft SQL Server 2005 with Microsoft Windows Server 2008 on Dell PowerEdge Servers and Dell Storage
sponsored by Dell, Inc.
WHITE PAPER: This white paper provides an architectural overview and configuration guidelines for deploying Microsoft SQL Server 2005 x64 SP2 with Microsoft Windows Server® 2008 x64 Enterprise or Standard Edition on Dell PowerEdge servers with Dell PowerVault.
Posted: 27 Aug 2008 | Published: 27 Aug 2008

Dell, Inc.

Deployment Framework Best Practices
sponsored by Red Hat and HP
WHITE PAPER: This white paper examines various Linux configuration and deployment options. Discover key installation considerations to take into account and obtain best practices to help you execute your implementation with ease.
Posted: 18 Jul 2012 | Published: 01 Mar 2012

Red Hat and HP

Disaster Recovery Solutions from VMware: Transforming Disaster Recovery - VMware Infrastructure for Rapid, Reliable and Cost-Effective Disaster Recovery
sponsored by VMware, Inc.
WHITE PAPER: VMware Infrastructure is transforming the way disaster recovery is done today and in the future; it changes the disaster recovery paradigm to one that is cost effective, rapid and reliable.
Posted: 20 Oct 2008 | Published: 18 Oct 2008

VMware, Inc.

Document Solutions IP Faxing versus Conventional Faxing: A Critical Analysis
sponsored by Premiere Global Services
WHITE PAPER: This white paper uses examples in three industries with the heaviest fax usage - finance, healthcare, and insurance - to demonstrate costs and risks that are shared across all industries.
Posted: 10 Oct 2008 | Published: 10 Oct 2008

Premiere Global Services

DVS Enterprise - Active System 800v with VMware Horizon View 5.2: Reference Architecture
sponsored by Dell and VMware
WHITE PAPER: This exclusive paper examines a converged infrastructure solution that's designed specifically for desktop virtualization – and that is pre-configured to meet your organization's specific requirements and ready to integrate into your data center.
Posted: 13 Jun 2013 | Published: 13 Jun 2013

Dell and VMware

Efficient Data Center: Using data center instrumentation and server refresh to optimize compute performance in constrained environments
sponsored by Dell, Inc. and Intel®
WHITE PAPER: This white paper examines the current state of data center power and cooling. Explore the advantages of a hardware refresh and determine if an upgrade is right for your organization.
Posted: 29 Aug 2012 | Published: 01 Jul 2011

Dell, Inc. and Intel®

Evaluating the Total Costs of a Unified Communications Solution
sponsored by Cisco
WHITE PAPER: Discover the top recommendations for selecting a UC solution that fits the needs of your business. Learn how to weigh the most important factors and assess the TCO of your UC solution.
Posted: 17 Jul 2013 | Published: 17 Jul 2013

Cisco
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CHANNEL SERVICE UNITS/DATA SERVICE UNITS DEFINITION (continued): …  T-1 line) to a phone company or a gateway at an Internet service provider, you have a CSU/DSU at your end and the phone company or gateway host has a CSU/DSU at its end. The Channel Service Unit (CSU) receives and transmits signals from and to the WAN line and provides a barrier for electrical interference from either side of the unit. The CSU can also echo loopback signals from the phone company for testing purposes. The Data Service Unit (DSU) manages line control, and converts input and output between RS-232C, RS-449, or V.xx frames from the LAN and the time-division multiplexed (TDM) DSX … 
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