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Article: Power over local-area networks: controlling the most inaccessible surveillance equipment.
- Article from:
- Information Systems Auditor
- Article date:
- December 22, 2003
- Author:
CopyrightCOPYRIGHT 2003 International Newsletters. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Power over Ethernet (also known as Power over LAN[TM]) is a revolutionary technology that allows power and data to be sent over standard Ethernet cables. It is the means to supply reliable, uninterrupted power to Internet protocol (IP) telephones, wireless local-area network (LAN) access hubs, network cameras, and access-control and other Ethernet devices. Power over Ethernet technology saves the time and cost of installing separate electrical cabling and alternating current (AC) connections and eliminates the need for a dedicated uninterruptible power supply (UPS) for individual devices.
The advent of Power over Ethernet is attracting attention among both users ...