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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
2011-07-01 PoE PSE controllers deliver 90W of power
Linear Technology's 4-port and single-port PoE controllers enable a new generation of high-power PoE applications that include WAP, thin clients and heated surveillance cameras.
2009-06-11 PoE power SoC packs 2kV isolation
Akros Silicon Inc. is offering a PoE power SoC with 2kV integrated isolation for next-generation IP appliances such as IP phones, IP cameras, WAP, Thin Client terminals and WiMAX CPEs.
2005-12-28 PoE modules boost advanced wireless, VoIP apps
Phihong USA's new power-over-Ethernet (PoE) products include a one-port high-power midspan for high-speed 802.11N access points, and a redundant power source (RPS) with up to 180 PoE ports for VoIP and IT applications.
2015-09-09 PoE midspans certified for industrial, outdoor apps
The PD-9001GI and PD-9501GI Power-over-Ethernet midspan injectors from Microsemi are designed for physical security, WLAN infrastructure, cellular infrastructure and industrial automation.
2010-07-12 PoE midspan supports low-density apps
Microsemi launched the PD-3504G four-port PoE midspan designed to support WLAN access points, IP security cameras, VoIP phones, access control systems and other small-scale applications.
2008-02-08 PoE midspan promises up to 576W with 8/16 ports
Phihong USA has released POE576U, a high-power, 36W-per-port PoE midspan that provides full power of 576W for 10/100/1000 Base-T networks and requires no power management.
2010-08-17 PoE midspan line gets 60W model
Phihong boasts lowest-cost 60W midspans
2006-01-04 PoE midspan delivers secured network management
PowerDsine's 6500 PoE Midspan series is reportedly the first to offer advanced secured network management and the only midspan to ship with a lifetime warranty.
2009-05-26 PoE midspan delivers improved power efficiency
Microsemi Corp. has launched high-power gigabit-class single- and multi-port PoE midspan power injectors that fully support IEEE 802.3at-draft4.1 specifications while delivering previously unavailable system efficiency features, backup capabilities and smart network power management.
2006-05-10 PoE interface modules drive down component count, cost
C&D Technologies' family of fully-integrated powered device interface modules aim to reduce component count, design time and installation cost of Power-over-Ethernet applications.
2007-11-13 PoE interface chip has DC/DC controller
Silicon Laboratories has announced what it claims is the industry's first dual-function, single-port PoE controller with an integrated DC/DC controller for power sourcing equipment.
2013-05-17 PoE injectors,PoE switches ready for security challenges
Antaira's latest solutions aim to make IP video surveillance installation cost effective and simple by allowing network cameras to receive both data and power over a single Ethernet cable.
2007-04-02 PoE in security systems
Power over Ethernet is taking video surveillance installations by storm. Here's how you can make the most of the technology.
2008-10-13 PoE device supports up to 40W regulated power
ON Semiconductor has beefed up its PoE product family with the release of NCP1080 and NCP1081.
2007-07-06 PoE controller supports any DC/DC converter topology
National Semiconductor Corp. has introduced a PoE powered device controller with adjustable output current level and the ability to interface with any DC/DC converter topology.
2006-05-10 PoE controller supports 30-56W apps
PowerDsine claims the industry's first four-pair PoE controller, its PD83000, for supporting more power-over-Ethernet devices and next-generation requirements for 30-56W.
2006-09-28 PoE controller suits IP surveillance cameras, phones
TI said its 26W PD controller for PoE applications is the first for the next wave of higher-powered systems such as IP surveillance cameras and phones.
2010-04-06 PoE controller monitors up to 32 devices
From Micrel Inc. comes a PoE power sourcing equipment (PSE) controller that provides eight ports of IEEE 802.3af-compliant power delivery in a compact 64-pin LQFP package.
2008-12-10 PoE controller meets IEEE 802.3at spec
Linear Technology Corp. has developed the LTC4265, an 802.3af/802.3at compliant PoE interface controller for high-power powered device (PD) applications needing up to 25.5W.
2012-04-13 PoE controller lowers BOM cost
The Si3462 controller from Silicon Labs eases the development of PSE endpoints such as residential gateways, STBs, fiber optic media converters, and surveillance and security systems.
2006-03-22 PoE controller integrates power interface port
National Semiconductor introduced its single-chip power-over-Ethernet controller for higher-power PoE applications.
2009-05-21 PoE controller fits 13/26W powered devices
From Texas Instruments Inc. comes a high-efficiency, high-power PoE controller targeting 13- or 26W powered device applications, such as IP phones, wireless access points or security cameras.
2008-07-23 PoE controller eases sub-13W designs
Texas Instruments Inc. introduced a 13W PoE powered device controller with onboard DC/DC converter specifically designed to meet the needs of IEEE 802.3af-compliant applications.
2009-06-03 PoE controller delivers up to 100W
Linear Technology Corp. has launched the LTC4266, a 4-port PoE controller for power sourcing equipment (PSE) required to provide IEEE 802.3at (25.5W) or proprietary higher power levels.
2007-08-31 PoE controller delivers precise regulation, high efficiency
Linear Tech's LTC4268-1 PoE interface controller has a synchronous, current mode, switching regulator for delivering precise regulation and high efficiency to power-hungry PDs.
2007-10-29 PoE adapter loads 80W over single Ethernet port
The new high-power, single-port PoE adapter from Phihong USA provides up to 80W of power on a single Ethernet port.
2005-08-23 Phihong's single-port injector for Gigabit PoE touts a better way
Phihong's PSA20U single port power injector for power-over-Ethernet apps is a module suited to Gigabit systems, i.e., 1,000Mbps, as well as for traditional 10baseT or 100baseT systems.
2009-07-03 PD controllers address PoE+ standard
Linear's three new PoE+ devices feature integrated switching regulators for high-power PD apps.
2004-12-02 Netgear releases PoE-powered WLAN for SMBs
Netgear announced a PoE solution for small businesses designed to ease installation of WLANs by allowing wireless access points to be installed anywhere.
2004-10-15 National's new solution simplifies design of PoE systems
National said it has released the first single-chip PD solution to feature the high performance and tiny package footprint needed to simplify PoE system design.
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