Power over Ethernet (PoE)

A Comprehensive Look at All of the PoE-Related Content on Our Websites

By Control Design Staff

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The Benefits of PoE for Industrial Applications
This white paper discusses how PoE provides power and data over a single cable, simply and dependably.

Power over Ethernet Usage Trends
What products and equipment you would like to include PoE capability and what factors influence your decision to use or not use PoE?

Applying Power-over-Ethernet in Industrial Networking
Power-over-Ethernet interest within the IT community has grown as a more efficient way to provide backup power for telephones and power remote devices without requiring an electrician. With the development of a high-power specification, PoE will be the most obvious solution for powering industrial networks due to cost savings, ease of implementation and versatility of plant design.

Is PoE technology Ready for Prime Time?
Power over Ethernet (PoE) technology is expected to some day power all industrial sensors and controllers, but is it ready for use now? Senior Tech Editor Rich Merritt explains in this installment of Bandwith.

A Better Understanding of Power Over Ethernet for Industrial Ethernet Applications
In the whitepaper, Ethernet Direct describes how PoE technology enables the end devices like Wireless Access Point, IP Phone, IP Camera, IP Access Control terminal, RFID reader and other IP-based appliances to get power supply from a Cat-3, Cat-5/5e or Cat-6 LAN cable without extra power connection needed. This technology is particular useful when deploying environments which may not have convenient power source for these equipments, and the extra power outlet may not be feasible and expensive to implement, or when adding these equipments to an existing Ethernet infrastructure without the need to make any modification.

Power over Ethernet (PoE) Makes Progress
Three years since its introduction, Power over Ethernet (PoE) technologies have maintained steady growth in the marketplace, according to a new study.

Power over Ethernet: Myths, Mystery, and the Facts
Field–level wiring used to be very simple. A sensor was either powered or passive. But when networking PLCs and PACs into the control system network became both practical and popular, engineers started thinking about how to provide power over the same set of wires as the network connection. This white paper discusses how Power over the Ethernet is fast becoming the standard.

10-Port Managed PoE Switch
The EKI-7659CPI is a ruggedized Managed Power over Ethernet (PoE) Switch for industrial applications. It features eight 10/100M PoE ports and two gigabit (1000M) ports with combined RJ45 copper and small form-factor pluggable (SFP) slots for optional fiber connectivity.

PoE Switch With Fiber Connectivity
The EKI-2525SPI is a ruggedized 4-port 10/100Base-TX Power over Ethernet (PoE) unmanaged switch with integrated 100Base-FX single-mode fiber connectivity. It allows the transmission of both power and data to Ethernet devices over standard twisted-pair Cat5/5e/6 cables. More formally known as IEEE 802.3af, this standard specifies a supply of 48VDC at up to 15.4W per port.

PoE Technology Online Resources
Power over Ethernet or PoE technology describes a system to safely transfer electrical power, along with data, to remote devices over standard category 5 cable in an Ethernet network. It does not require modification of existing Ethernet cabling infrastructure.

Power over Ethernet: The Industrial Opportunity Today
Power over Ethernet (PoE) offers the potential for an economical standards-based, high-performance industrial network far beyond what is available today. This White Paper is devoted to the implications of PoE for industrial applications, and predictions for the adaptation timetable.

IEEE Starts Revving Up Power over Ethernet (PoE) Standard
The standard should make it easier for high-speed communication equipment to be used with AC power lines.

Power Over Ethernet Continues Its Climb Into Acceptance and Higher Power
Power to the Field Devices, Right On: PoE Standards Are Driving Acceptance and Maintaining Interoperability, but Non-standard Innovations Are Pushing the Limits

Inova Solutions Gets Patent for Power-over-Ethernet Technology
Inova Solutions announced it has received a patent from the United States Patent and Trademark Office. Inova's patent, number 7,633,405, was granted for LED visual messaging devices that utilize high-efficiency LEDs, current-driven circuits and a 1x yellow algorithm.

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