Power Over Ethernet

 

WiFi PoE Amplifier with Wireless Ethernet Adapter

L-com, Inc., a global leader in the manufacture of wired and wireless connectivity products, has released new PoE amplifier kits with Wireless Ethernet Adapters for 802.11b/g WiFi applications. The new kits come as FCC-certified systems and are priced the same as the conventional amplifier alone. “We are able to sell our kits at the same […]

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Microsemi Corporation unvieled the new 4-port and 8-port PoE power injectors/switches of the PD691xx Power-over-Ethernet (PoE) IC family, offering the industry’s smallest form factor and lowest power dissipation. The new 4-port PD69104 and 8-port PD69108 Power Sourcing Equipment (PSE) PoE Management ICs are optimized for both commercial and industrial applications, delivering power to devices ranging […]

Read more >>> Power Over Ethernet (PoE) Power Management System

Texas Instruments released a white paper to help Power-Over-Ethernet (PoE) System designers prevent damage to their PoE powered devices from external unwanted voltage sources. Common and differential mode examples of induced voltages are discussed. The application note discusses ESD (electrostatic discharge), EFT (electrical fast transient), electrical surge transients, transients protection circuits, and Circuit Protection Solutions […]

Read more >>> Power-Over-Ethernet (PoE) System Design for Electrical Transient Immunity

Power over Ethernet (PoE) technology allows an Ethernet system to pass electrical power safely along with data on Ethernet cabling.
IEEE 802.3af and IEEE 802.3at are the PoE and PoE+ (PoE Plus) standards. The device providing power, whether it is a network switch or midspan hub, is referred to as the Power Sourcing Equipment (PSE) or Power over Ethernet (PoE) Injector, while the device receiving power is known as the Powered Device (PD). Here we discuss the operating principle, standards, applications, advantages of Power over Ethernet (PoE) technology.

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The PDA-300 PoE powered-device analyzer from Sifos Technologies is a single-box solution for automatically testing IEEE 802.3at PoE (Power over Ethernet) Powered Devices. It offers one-button, fully automated test sequences and limit processing for critical Powered Device operating parameters. With measurements performed at the Powered Device network interface, many parameters critical to IEEE 802.3at interoperation can be efficiently compared to specification requirements thus fully avoiding the need for extensive interoperability testing with IEEE 802.3at PSE’s and network connections.

Read more >>> Power over Ethernet (PoE) Powered Devices Testing Analyzer

Elektrobit (EB) Corporation, a developer of cutting-edge embedded technology solutions for automotive and wireless industries, introduced the EB Tough VoIP Power over Ethernet (PoE) Injector- a complementary accessory to its Tough VoIP product portfolio. The new Tough VoIP PoE Injector is a network-agnostic solution that provides PoE-supported data interfaces to tactical military communications equipment.

Read more >>> VoIP Power Over Ethernet Injector For Military Communications Equipment

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