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DEFINITION: XJACK is a type of connector for notebook computer modem that allows a standard telephone connector to snap into the modem. Internal modems for notebook computers come on a slim Personal Computer Memory Card International Association (PCMCIA) card. Many cards provide a connection that requires a special plug that in turn has to be plugged into a relay attachment. This plug can easily become loose  … 
Definition continues below.
Connectors Reports
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5 Benefits of Having USB Ports on Your Rack PDUs
sponsored by Raritan Inc.
WHITE PAPER: The following white paper explores the top five benefits of having USB ports on your PDU racks. Access now and learn how USB ports allow for faster network connections, easier upgrades and setups, and much more. Read on to learn if this is something that could benefit your business.
Posted: 27 Apr 2015 | Published: 27 Apr 2015

Raritan Inc.

Four of the Most Innovative Features of Rack PDUs
sponsored by Raritan Inc.
WHITE PAPER: Access the following resource to explore the top 4 most innovative features of rack PDUs. Read on now and learn how rack PDUs can help aid in disaster recovery, improve operational capacity, allow for the easy management and monitoring of critical data center components, and much more.
Posted: 28 Apr 2015 | Published: 28 Apr 2015

Raritan Inc.

Solving an Unsolvable Mystery in the Data Center
sponsored by Welldata
CASE STUDY: Read this brief case study to learn how Welldata aided in the well-being of a data center power problem that seemed to have a mind of its own.
Posted: 06 Apr 2015 | Published: 06 Apr 2015

Welldata

3-Phase Power in the Data Center
sponsored by Server Technology, Inc.
WHITE PAPER: Greater equipment densities and power demands are driving the need for 3-phase power in the equipment cabinet. This white paper explains 3-phase power, its advantages and the cost savings associated with using it in the data center.
Posted: 04 Sep 2007 | Published: 01 Sep 2007


A Quantitative Comparison of High Efficiency AC vs. DC Power Distribution for Data Centers
sponsored by Schneider Electric
WHITE PAPER: This paper explains why a move to a DC-based architecture is unwarranted on the basis of efficiency by comparing the most efficient DC and AC power distribution methods.
Posted: 10 Jul 2009 | Published: 07 Jan 2007

Schneider Electric

Barcodes vs RFID: The pros and cons of each side reviewed
sponsored by IQMS
EGUIDE: This e-guide reviews the pros and cons of bar code technology, and addresses niche areas where radio frequency identification (RFID) is gaining traction.
Posted: 02 Oct 2013 | Published: 02 Oct 2013

IQMS

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

E-Guide: Power and Cooling Best Practices for Large Data Centers
sponsored by Schneider Electric
EGUIDE: This expert e-guide from editors explores key power and cooling tips to optimize data center energy efficiency. In addition, discover best practices for backup power maintenance to ensure uninterrupted data center power.
Posted: 12 Aug 2011 | Published: 12 Aug 2011

Schneider Electric

Essential Standby Generator System Requirements for Next Generation Data Centers
sponsored by Schneider Electric
WHITE PAPER: Effective standby generator system installations must address the known problems and challenges relating to current and past designs to ensure high availability. This paper overviews generator system challenges and offers tips on solving them.
Posted: 10 Jul 2008 | Published: 01 Jan 2005

Schneider Electric

Expert tips for Addressing Power Failure in Your Data Center
sponsored by HP and Intel
EGUIDE: The loss of data center power can be critical to any organization. Access this expert e-guide learn why it is important to design your data center with power in mind to prevent capacity issues from happening. Also, gain insight into the reasons for outages and ways to mitigate the risks of potential power path issues
Posted: 24 Jun 2011 | Published: 24 Jun 2011

HP and Intel

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

Power and Thermal Management in the Intel® Core™ Duo Processor
sponsored by Intel Corporation
PRODUCT OVERVIEW: This paper provides an overview of the power control unit and its impact on the power-saving mechanisms.
Posted: 24 Jul 2008 | Published: 15 May 2006

Intel Corporation

System Grounding and Ground Fault Protection for Data Centers
sponsored by Square D Critical Power Competency Center
WHITE PAPER: This paper presents the fundamentals of power system grounding, definitions and requirements of the National Electrical Code with respect to grounding, the need for low voltage ground fault protection and how it is implemented.
Posted: 05 Nov 2008 | Published: 05 Nov 2008

Square D Critical Power Competency Center

Technical Comparison of On-line Vs. Line-interactive UPS Designs
sponsored by Schneider Electric
WHITE PAPER: This paper describes the advantages and disadvantages of each topology and addresses some common misconceptions about real-world application requirements.
Posted: 06 Feb 2008 | Published: 01 Jan 2004

Schneider Electric
14 Matches
 
CONNECTORS DEFINITION (continued): … XJACK is a type of connector for notebook computer modem that allows a standard telephone connector to snap into the modem. Internal modems for notebook computers come on a slim Personal Computer Memory Card International Association (PCMCIA) card. Many cards provide a connection that requires a special plug that in turn has to be plugged into a relay attachment. This plug can easily become loose in the PCMCIA socket, losing your connection. XJACK is a connector on the PCMCIA card that pulls out and allows you to snap a regular wall jack connector into the modem directly. This connection is more secure. XJACK was originally manufactured by Megahertz, a subsidiary of U.S. Robotics. However, a number of other modem manufacturers now build the XJACK into their mobile-size modems.
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