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Power over Ethernet AMP CO Plus. 連翰林 Henry Lien Netconnect Taiwan July 15, 2004. What is Power over Ethernet 何謂電力於 Ethernet 上 (PoE) ?. 遠端供電給低電力裝置設備使用 Ethernet 協議而使用現有結構佈線 佈線假設 : Class D, ISO 11801 2nd edition 最高 . 57 Volt, 13 Watt 電力來源和有電力裝置的設備之間建立連線防止設備損害.

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Power over EthernetAMP CO Plus

連翰林Henry Lien

Netconnect Taiwan

July 15, 2004


What is Power over Ethernet何謂電力於 Ethernet 上(PoE) ?

  • 遠端供電給低電力裝置設備使用 Ethernet 協議而使用現有結構佈線

  • 佈線假設: Class D, ISO 11801 2nd edition

  • 最高. 57 Volt, 13 Watt

  • 電力來源和有電力裝置的設備之間建立連線防止設備損害


What is PoE good for ?PoE 會產生什麼好處 ?

  • 較少的電力插口需求於桌上型電腦上

  • 只有需要數據佈線而 “沒有電力”的區域內電力裝置的設備 (例如在倉庫中 WLAN APs)

  • 無論數據佈線在哪裡電力隨時可得

  • 集中電力備援和以合適的 UPS 搭配

  • 遠端電力裝置的設備SNMP 控制的可能


PoE devices 裝置設備

  • VoIP Telephones

  • WLAN APs

  • WebCams, access control, Building Automation

  • Bluetooth, PDAs, Notebooks

  • battery charging

  • Industrial Devices

  • in general: everything at the desktop which is now powered with external power supply or batteries


IEEE 標準

  • IEEE 802.3af: DTE Power via MDI

    • 數據終端設備 (Data Terminal Equipment )電力經由不同的多媒體介面

    • 2003年七月被認可定義 PoE (Power over Ethernet) 於 10BaseT, 100BaseT and 1000BaseT

    • 定義 PSE (power source equipment) 和 PD (powered device) 必須如何工作

    • 定義供電的三個模式


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