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Silvertel Miniature Cost Optimized IEEE802.3af PoE Module

Symmetry Electronics in Blogs on October 02, 2016

About Symmetry Electronics

Established in 1998, Symmetry Electronics, a Division of Braemac, is a global distributor of electronic components and systems. Combining premier components and comprehensive value-added services with an expert in-house engineering team, Symmetry supports engineers in the design, development, and deployment of a broad range of connected technologies. 

Exponential Technology Group Member

Acquired by Berkshire Hathaway company TTI, Inc. in 2017, Symmetry Electronics is a proud Exponential Technology Group (XTG) member. A collection of specialty semiconductor distributors and engineering design firms, XTG stands alongside industry leaders TTI Inc., Mouser Electronics, and Sager Electronics. Together, we provide a united global supply chain solution with the shared mission of simplifying engineering, offering affordable technologies, and assisting engineers in accelerating time to market. For more information about XTG, visit www.xponentialgroup.com.

Silvertel's Ag9800 series PD modules still offer all the features required to extract power from a conventional twisted pair Category 5 Ethernet cable, in the smallest package size available.  The modules fully conform to the 802.3af Power-over-Ethernet (PoE) standard and include 1.5kV isolation, PoE signature and integral DC to DC converter. The modules provide a Class 0 signature. 

The modules offer a simple PoE solution using minimal extra low cost components.  Ag9800 will accept power from either the spare or data pair of the Ethernet cable.  This is connected through external bridge rectifiers, enabling the device to be powered from mid- or end-span PSE.  The integrated optimised DC/DC converter operates over a wide input voltage range providing a high efficiency (up to 87%) regulated output. In addition it provides built-in protection against overloads and short-circuits. The DC output nominal voltage is easily adjusted using a simple pull up/down resistor.

The Ag9800 provides signature and control circuitry to give full PoE compatibility. This signature is required by the Power Sourcing Equipment (PSE) before it will provide power to the port. 

Silvertel’s Ag9800 is ideally suited as a cost effective solution for POE for any Ethernet applications e.g. IP cameras, VoIP telephones, WAPs and door access. Its minimal footprint makes it perfect for any space or height constrained designs.


For additional Silvertel product information or technical support, contact Symmetry Electronics, an authorized distributor of industry leading wireless, audio/video and embedded chips, modules and dev/eval tools. www.symmetryelectronics.com/contact-us or call (877) 466-9722.

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Symmetry Electronics in Blogs on October 02, 2016

About Symmetry Electronics

Established in 1998, Symmetry Electronics, a Division of Braemac, is a global distributor of electronic components and systems. Combining premier components and comprehensive value-added services with an expert in-house engineering team, Symmetry supports engineers in the design, development, and deployment of a broad range of connected technologies. 

Exponential Technology Group Member

Acquired by Berkshire Hathaway company TTI, Inc. in 2017, Symmetry Electronics is a proud Exponential Technology Group (XTG) member. A collection of specialty semiconductor distributors and engineering design firms, XTG stands alongside industry leaders TTI Inc., Mouser Electronics, and Sager Electronics. Together, we provide a united global supply chain solution with the shared mission of simplifying engineering, offering affordable technologies, and assisting engineers in accelerating time to market. For more information about XTG, visit www.xponentialgroup.com.

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