Compaq Power over Ethernet Injector
October 10th, 2009
Power over Ethernet is a new feature of the Compaq Wireless LAN offering that provides an efficient alternative for installing wireless networking equipment. By eliminating the need for power blisters (AC-to-DCc converters) and 110/240 VAC power outlet installation, a system installer need only run a single standard Cat 5 twisted pair cable, instead of separate power and Ethernet cable, to each access point.The Power Injectors are typically installed in the wiring closet, and “inject” DC power onto the Ethernet cable. The injectors constantly check the Ethernet cable for a device that can handle Power over Ethernet. If it does not detect such a device, the device switches off power for that port. This power-monitoring capability protects other devices connected to the Ethernet cable as well as the input port of the switch in case of an installation error..
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Posted in Power Supplies | 
Tags: Access Point, Blisters, Capability, Cat 5, Compaq Wireless Lan, Converters, Dc Power, Ethernet Cable, Input Port, Installation Error, New Feature, Power Cable, Power Monitoring, Power Over Ethernet, Switches, Twisted Pair Cable, Wireless Networking Equipment, Wiring Closet
