The ABCs of Power over Ethernet (PoE): Taking Advantage of Used Cisco Routers and Switches
Power over Ethernet (PoE) is a technology that lets network cables carry electrical power. Most networked equipment requires a network connection in order to communicate with other devices in the network and a power connection to deliver the electrical power the device needs to operate. If the equipment is PoE enabled it only requires a network connection.
The benefits of used Cisco PoE switches and used Cisco gigabit switches are numerous, from both a network efficiency standpoint as well as a cost standpoint:
Time and cost savings – Using used Cisco routers and switches reduces upfront costs and it reduces the need to have an electrical power cabling installed. Flexibility – When they are not attached to an electrical outlet, wireless access points as well as wireless VoiP cameras can be located wherever they are needed most and easily repositioned if and when required. Safety – PoE delivery is smart and is designed to guard network equipment from overload, under powering, or faulty installations. Reliability – PoE power comes from a central and universally-compatible source, rather than a collection of distributed wall adapters. It can be backed up by a reliable power supply or controlled to easily disable or reset devices.
PoE also has many uses, but the three key areas that would benefit from the device are:
VoIP phone – PoE allows phones to have a single connection to a wall socket and be remotely powered.
IP cameras – PoE is everywhere on networked surveillance cameras, which makes it easily deployable and repositioned.
Wireless devices – Most Wifi and Bluetooth readers are PoE compatible, allowing you to remotely access it away from AC outlets.
Adding used Cisco PoE switches and used cisco gigabit switches to your network is uncomplicated and there are two routes you can choose: PoE switch and PoE injector.
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