2010 National Conference of Higher Vocational and Technical Education on Computer Information (NCHVT 2010 E-BOOK)

Rizhao,China,12.4-12.5,2010

ISBN: 978-1-935068-31-0 Scientific Research Publishing, USA

E-Book 358pp Pub. Date: December 2010

Category: Social Sciences & Humanities

Price: $70

Title: Research and Development of Non-standard PoE-Hub Based on High-Power over Ethernet
Source: 2010 National Conference of Higher Vocational and Technical Education on Computer Information (NCHVT 2010 E-BOOK) (pp 301-303)
Author(s): Shi-hua Tong, computer application department, Chongqing College of Electronic Engineering, Chongqing 401331, China
Abstract: In IEEE 802.3af standard, PoE system can only supply 12.95 watts for network equipment and 48V DC power. Many devices use 24V DC power supply, but some devices beyond this confine in industry field. So it designs the non-standard high-power over Ethernet system which supports 24V power and can reach 30 watts. The design uses MSP430F148 and TC3097, and has realized the power supply supervisory, high-power, safety, and compatibility of PoE-Hub.
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