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ALSO CALLED: Integrated Services Digital Network Hardware, ISDN Modems, ISDN Devices, ISDN Routers
DEFINITION: In Integrated Services Digital Network (ISDN) service, a T interface is the electrical interface between a network terminating unit 1 (NT1) and a network terminating unit 2 (NT2) device, which typically is a private branch exchange (PBE). Like the S interface, the T interface has four wires, allowing up to eight devices to be addressed. In Basic Rate Interface (Basic Rate Interface in ISDN) ISDN,  … 
Definition continues below.
ISDN HardwareReports
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Network Evolution E-Zine: June 2014
sponsored by SearchNetworking.com
EZINE: In this issue of Network Evolution, we explore the need for high-density wireless network designs, the future of MPLS and whether Microsoft Lync is ready to replace legacy PBXs.
Posted: 02 Jun 2014 | Published: 02 Jun 2014

SearchNetworking.com

Network Intelligence for Physical Assets in a Virtualized Enterprise
sponsored by CommScope
WHITE PAPER: The physical layer – the foundation for your IT environment – is the only network component that has yet to be virtualized, but so much of virtualization's success relies on it. Learn more about the cabling requirements for virtualization and how network intelligence can be the secret to virtualization's success.
Posted: 04 Feb 2013 | Published: 31 Dec 2012

CommScope

Network Purchasing Intentions 2012
sponsored by ComputerWeekly.com
RESEARCH CONTENT: This in-depth research from Computer Weekly and Tech-Target, reveals the IT networking trends and spending priorities for European IT professionals in 2012.
Posted: 30 Jul 2012 | Published: 30 Jul 2012

ComputerWeekly.com

Network Visibility: Thinking Outside the Box
sponsored by Ixia
VIRTUAL ENVIRONMENT: Watch this webcast to explore the challenges that virtualization presents and learn about a scalable solution that will help you achieve visibility into all of your environments.
Posted: 24 Jun 2013 | Premiered: 24 Jun 2013

Ixia

New Virtual Networking Technologies Make Convergence Real
sponsored by SearchSecurity.com
EGUIDE: This expert e-guide discusses what role the cloud plays in the convergence of IT. Uncover 3 important lessons the cloud provides on converged infrastructure solutions, 3 main approaches to creating virtual networks and more.
Posted: 30 Aug 2013 | Published: 30 Aug 2013

SearchSecurity.com

Next Generation Network Management Techniques
sponsored by SearchSecurity.com
EZINE: The February edition of the Network Evolution E-zine explore the latest advances in DevOps and uncover what you need to know for working within the movement. Also read several other featured articles!
Posted: 02 Feb 2012 | Published: 02 Feb 2012

SearchSecurity.com

Optimize your Network with ADC Clustering
sponsored by Citrix
WHITE PAPER: Discover why active-active clusters of application delivery controllers (ADCs) are critical to not only improve app performance but also reduce waste, heighten potential ROI, simplify management, and improve reliability.
Posted: 12 Aug 2013 | Published: 12 Aug 2013

Citrix

Metalogix Content Migration and Upgrade for Microsoft SharePoint Server 2010
sponsored by Metalogix
WHITE PAPER: This paper discusses both Microsoft's out-of-box migration approaches and Metalogix's SharePoint Site Migration Manager 2010. It describes common migration scenarios, and how those scenarios can be addressed using the different migration approaches.
Posted: 28 Apr 2010 | Published: 28 Apr 2010

Metalogix

Microsoft SQL Server 2012 Solutions for OLTP Applications on Dell PowerEdge VRTX
sponsored by Dell India
WHITE PAPER: Explore this exclusive white paper to find out about Dell's first shared IT infrastructure solution that's specifically designed for remote and small office environments.
Posted: 17 Feb 2014 | Published: 30 Jun 2013

Dell India

Minimize LAN Switch Tiers to Reduce Cost and Increase Efficiency
sponsored by Juniper Networks, Inc.
ANALYST REPORT: Established LAN design practices were created for an environment of limited switch performance. Today's high-capacity switches allow new design approaches, thus reducing cost and complexity in campus and data center LANs. Read this Gartner report to learn about maximizing LAN performance by minimizing LAN switch Tiers.
Posted: 25 Jan 2010 | Published: 17 Nov 2009

Juniper Networks, Inc.

Mobility on Cisco Catalyst Series Switches - The Wired Side of Wireless
sponsored by Cisco Systems, Inc.
DATA SHEET: Cisco has defined a wireless architecture that provides tight integration and unification of wired and wireless networks. Read this paper to learn about the key features and business benefits of Cisco Catalyst Series switches and Cisco Unified Wireless Networks.
Posted: 26 May 2010 | Published: 01 Jul 2008

Cisco Systems, Inc.

Mobilizing Applications Lotus Domino Databases
sponsored by BlackBerry
WHITE PAPER: The ability to access and update Lotus Domino applications can be a simple and effective way to improve efficiency. Read this paper and learn how easy it can be to create BlackBerry applications that integrate with your Lotus Domino applications.
Posted: 18 Aug 2008 | Published: 18 Aug 2008

BlackBerry

MPLS VPN Tutorial: What you should know
sponsored by XO Communications
EGUIDE: In this expert E-Guide from SearchEnterpriseWAN.com, explore the next generation of networks: Multiprotocol Label Switching (MPLS) networks.
Posted: 14 Mar 2012 | Published: 14 Mar 2012

XO Communications

Multi-core Processors - The Next Evolution in Computing
sponsored by AMD
WHITE PAPER: Multi-core processors offer performance and productivity benefits beyond the capabilities of today's single-core processors.
Posted: 04 Nov 2008 | Published: 22 Aug 2008

AMD

NAC: Bridging the Network Security Gap
sponsored by Sophos, Inc.
WHITE PAPER: IT managers are aware of threats to their networks, and have spent heavily on solutions to protect the corporate environment. This paper examines technology and initiatives designed to capitalize on existing investments and prevent any gaps in security.
Posted: 18 Feb 2008 | Published: 01 Apr 2007

Sophos, Inc.

NetBackup Disk Based Data Protection Options
sponsored by Symantec Corporation
WHITE PAPER: This paper explains the disk options and their capabilities as well as the other new features in NetBackup 6.5 that make up the Enterprise Disk Foundation, also it provides guidance in choosing the appropriate disk options for your environment.
Posted: 03 Jun 2008 | Published: 01 Oct 2007

Symantec Corporation

Network Evolution E-Zine: Building the infrastructure to enable the changing face of IT
sponsored by SearchNetworking.com
EZINE: This issue of the Network Evolution E-Zine will cover the road to flat Data Center network architecture and more.
Posted: 07 Dec 2010 | Published: 07 Dec 2010

SearchNetworking.com

Network Evolution E-Zine: Building the Infrastructure to Enable the Changing Face of IT
sponsored by SearchNetworking.com
EZINE: This issue of the Network Evolution E-Zine will cover the road to flat Data Center network architecture and more.
Posted: 04 Jan 2011 | Published: 04 Jan 2011

SearchNetworking.com

NYSE EuroNext Chooses Juniper Networks for Low Latency Access to Next-Generation Global Trading Data Centers and WAN
sponsored by Juniper Networks, Inc.
CASE STUDY: In this case study, discover how one financial services organization used 10 gigabit Ethernet (GbE) switches to ensure lightning-fast speed across their network reliability and with low latency.
Posted: 16 Apr 2013 | Published: 30 Jun 2011

Juniper Networks, Inc.

Open Fabric Edge - The Best Attributes of the Data Center, Now Delivered to the Edge
sponsored by Extreme Networks
WHITE PAPER: Can your network accommodate the new requirements demanded on it? Explore how Ethernet switching can provide the flexibility, scalability, and resiliency you need to embrace the trends and technologies that will give your business a competitive advantage.
Posted: 17 May 2013 | Published: 30 Apr 2013

Extreme Networks

Optimal SAP System Performance: Factors That Make The Most Difference
sponsored by EMC Corporation
EGUIDE: For any size company, choosing the right mix of server hardware, database servers, network configurations, storage, and even the operating systems is a daunting, yet essential, task. Analysts and experts agree those choices are key for optimal SAP system performance. In this e-guide, uncover tips for selecting the best hardware for your SAP system.
Posted: 07 Oct 2013 | Published: 07 Oct 2013

EMC Corporation

Optimizing for the Cloud with Data Center Virtualization
sponsored by Brocade
WEBCAST: Is your data center ready for cloud computing? Access this resource to learn how you can optimize your infrastructure for the cloud with data center virtualization. Inside, discover how virtualization can make cloud computing a reality, learn how to solve the network bottleneck with more than just hardware, and more.
Posted: 02 Mar 2012 | Premiered: Mar 2, 2012

Brocade

Optimizing Quality of Service for VMware vSphere* 4 Networking with Intel® Ethernet 10 Gigabit Server Adapters
sponsored by Intel
WHITE PAPER: The first paper in the series provides guidance and best practices for moving from GbE to 10GbE networking in the virtualized data center. This paper builds on that discussion with a focus on QoS to provide network architects and decision makers with an overview of the changes in networking capabilities introduced in vSphere 4.1.
Posted: 23 Dec 2010 | Published: 23 Dec 2010

Intel

Optimizing the PC Segment of California's IT Infrastructure
sponsored by Intel Corporation
CASE STUDY: Researchers found that by creating a dynamic IT environment- standardized, centralized, automated, and mobile-California can achieve a greener, more secure computing complex that improves productivity, delivering greater efficiency at a lower cost to taxpayers and the environment.
Posted: 27 May 2009 | Published: 27 May 2009

Intel Corporation

Optimizing the Private Cloud with EMC VSPEX
sponsored by Extreme Networks
WHITE PAPER: Learn about a scalable, on-demand infrastructure that leverages Ethernet and a powerful switching platform to help you achieve the most from your private cloud.
Posted: 26 Aug 2013 | Published: 31 Jul 2013

Extreme Networks
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ISDN HARDWARE DEFINITION (continued): …  the bits that flow from the central office through the NT1 are divided into two 64 Kbps channels (known as B, or bearer, channels) and one 16 Kbps channel (the D, for data or delta, channel) for control signals. The control signals allow a specific device to be addressed. The following table summarizes the various ISDN electrical interfaces at different demarcation points or places in the traffic flow: Electrical interfaceBetween what two pointsU interfaceCentral office and NT1T interfaceNT1 and NT2 devices (such as a PBX)S interfaceNT1 or NT2 and ISDN devices (such as a telephone or terminal … 
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