TAILIEUCHUNG - A Case for Midspan Power-over-Ethernet Controlers

This standard allows electric power to be sent along the same cables that carry Ethernet data. PoE-enabled switches and controllers can now deliver power over standard Category 5e or 6 Ethernet cabling to remote PoE-enabled devices such as IP phones, WLAN access points, security systems, and RFID scanners. PoE simplifies the deployment of literally any IP-based device, particularly in areas where it may be difficult or expensive to run separate power cabling. | A Case for Midspan Power-over-Ethernet Controllers cd LU A Case for Midspan Power-over-Ethernet Controllers This white paper examines the substantial financial impact ADC s Midspan Power-over-Ethernet Controller can have on your business. Introduction The approval of the IEEE Power over Ethernet PoE standard in June 2003 removed a significant barrier to the widespread adoption of IP telephony the expansion of WiFi networks and the increased use of IP network cameras and RFID scanners. This standard allows electric power to be sent along the same cables that carry Ethernet data. PoE-enabled switches and controllers can now deliver power over standard Category 5e or 6 Ethernet cabling to remote PoE-enabled devices such as IP phones WLAN access points security systems and RFID scanners. PoE simplifies the deployment of literally any IP-based device particularly in areas where it may be difficult or expensive to run separate power cabling. When expanding a network using PoE businesses face a basic choice as to how to deliver power over Ethernet. They can rip out their existing switches and replace them all with new PoE-enabled switches. Or they can buy a midspan controller which sits between an existing Ethernet switch and powered devices and delivers both power and Ethernet data to the devices. This white paper examines the substantial financial impact that using ADC s midspan Power-over-Ethernet PoE controllers rather than buying new PoE-enabled switches can have on your business. Investment in ADC midspan PoE controllers yields immediate savings in purchase and installation costs as well as permanent and ongoing benefits due to lower support and maintenance costs reduced power consumption and increased productivity due to decreased device downtime. These benefits facilitate a rapid payback of solution costs and a high return on .

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