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What is PoE?
Power over Ethernet (PoE) is the ability for the LAN switching infrastructure to provide power over a copper Ethernet cable to an end-point (powered device). This capability was once referred to as inline power.
total search232 articles
2005-05-23 Power backup for VoIP spans Ethernet-with-UPS solution
Stressing that UPS backup will ultimately become mandatory for voice-over-IP (VoIP) applications, MGE touts its system as the first comprehensive solution for the secured PoE infrastructure-providing PoE midspan, UPS, and supervisory functions for Enterprise IT networks, which include VoIP.
2006-12-13 Phihong doubles capacity with new Suzhou fab
Phihong Technology has opened a new facility in China's Suzhou city to double its production capacity for power equipment and supplies.
2008-08-22 ON Semiconductor revs up product line with AMI ASSPs
A broad portfolio of ASSPs acquired through ON Semiconductor's acquisition of AMI Semiconductor are now being offered to customers through ON Semiconductor's global network of authorized distributors.
2014-10-28 Network utility eases device management, maintenance
ZON is an integrated network solution that simplifies device installation and maintenance across various networking products. It unites wired and wireless facilities, security gateways and firewalls.
2008-01-21 Multiport midspans tip pre-standard IEEE 802.3 specs
High-power multiport PoE midspans based on pre-standard IEEE 802.3at specifications have been launched by Microsemi Corp.
2005-07-27 Midspan touts low-cost design
PowerDsine differentiates its 3012 power-over-Ethernet midspan, a 12-port device that's the latest in the company's 3000 Midspan family, from competing products by its compact design and low price-per-port.
2006-10-26 Microsemi to acquire PowerDsine for $245M
Microsemi Corp. has entered into a definitive agreement to acquire PowerDsine Ltd for $245 million.
2007-06-19 Low-cost, complete power solution for powered devices includes 12V buck converter
The MAX5953A provides a simple and inexpensive, yet complete, nonisolated power solution for a powered device in a PoE system.
2007-09-13 LAN cable tester software promises proper certification
Agilent has released a new software version of its handheld LAN cable tester, WireScope Pro, which ensures proper certification of structured cabling in the presence of PoE mid-span devices.
2008-06-17 Kit accelerates 802.11n designs
AMCC, together with TeamF1 and Senao Networks, recently launched a comprehensive hardware/software reference design kit intended to accelerate time-to-market for enterprise 802.11n wireless access points.
2007-05-24 ICs power wireless, WiMAX access points
Phihong USA has introduced a 60W midspan and a 52W PoE gigabit high-power splitter designed to support high-power wireless access points.
2005-12-01 How to get the most out of power-over-Ethernet
Time to shift gears and maximize power consumption in your network infrastructures using PoE.
2007-12-18 How to build efficient power supplies
A solution to one aspect of PoE is discussed utilizing the ON Semiconductor NCP1031 series of monolithic, high-voltage switching regulators with internal MOSFET.
2008-02-19 GbE transceiver ups data transfer reliability
Vitesse Semiconductor's VSC8664 is a quad Gigabit dual media Ethernet transceiver designed to improve the reliability of synchronous data transfer over IP packet-based carrier network equipment.
2007-03-12 Freescale opens new devt centers in China, U.S.
Freescale Semiconductor has opened three development centers in the U.S. and China to meet the rising demand for standard analog and power management products in consumer and industrial applications.
2008-07-15 Ethernet media converter stretches EMC performance
The eCon 3011 is designed to ease the migration to optical-fibre communication in industrial applications where electrical Ethernet data transmission reaches the limits of its performance, allowing users to extend the range and improve EMC immunity.
2004-10-01 Emerging trends in distributed power systems
The regulatory and end-application requirements are creating new challenges for the distributed power solutions.
2007-02-06 Cisco offers switches for out-of-the-closet apps
Cisco Systems is launching its Catalyst switch unit intended for applications outside the wiring closet such as classrooms, distributed offices and even cruise ships.
2004-02-23 Cisco offers power-over-Ethernet products
Cisco Systems has bolstered its early support for IEEE 802.3af POE by expanding its support for the standard across most models of its Catalyst switches.
2013-04-19 Cable drop compensator eliminates need for sense wires
The LT6110 cable drop compensator operates with supply voltages that range from 2V to 50V, making it ideal for high power USB, PoE, remote instrumentation and remote industrial applications.
2014-08-15 TI sol'ns ease design for Power over Ethernet apps
The TPS23861 evaluation board cuts development time and cost when creating PoE-enabled network video recorders, IP phone switches and wireless base stations.
2006-09-04 PowerDsine joins Ethernet Alliance
PowerDsine, a supplier of PoE solutions, has joined the Ethernet Alliance, an industry group focused on supporting the advancement of existing and emerging Ethernet technologies.
2004-03-17 Ixia to debut power-over-Ethernet testing
Ixia Communications appears to be the first test equipment company to produce dedicated test platforms for the IEEE 802.3af POE standard.
2008-09-16 Advanced adapter ORing solutions using the TPS23753
The TPS23753 has a number of features that simplify ORing of PoE and AC-powered adapters. These features are integrated into the powered device (PD) and DC/DC controller to provide an integrated solution set. This application note explores these features and provides other critical information.
2014-04-08 Wireless tech detaches from traditional networks
With the ultra narrowband technology, Senaptic aims to find system integrator partners who will implement the system themselves, excluding mobile operators in the equation.
2011-07-22 Wide input flyback converter features 5V at 2.6A output
Here's a reference design is for a flyback, 5V Class 3 powered device (PD) with a wide 9V to 57V auxiliary input.
2015-10-12 What you need to know about sensor fusion
Here is a look at the general concept of sensor fusion, the historical perspective, and two detailed casesinertial sensor fusion and image fusion.
2014-06-17 Vision-based AI boosts surveillance applications
Cost, performance and power consumption advances are now paving the way for the proliferation of embedded vision into diverse surveillance applications.
2005-06-17 Valere's ultra-compact power systems support wireless networks
Valere Power announced new versions of its Mini DC Power System that expand the system's application range to include in-building and other small wireless networking sites.
2008-09-02 Trio cooks up RTOS-based reference design platform
IAR Systems, NXP Semiconductors and Micrium will be launching a new reference design platform intended for RTOS-based, ARM-powered embedded systems for industrial applications.
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