You can get a single one for under $100 or a hub (multi port PoE injector) for $800 If you already have good switches that would be a good way to go. Otherwise a switch with real 802.3bt support ...

Analog Devices has launched the Power by Linear LTC4291/LTC4292 isolated 4-port power sourcing equipment (PSE) controller chipset for use in IEEE 802.3bt (PoE++) Power over Ethernet (PoE ... popular ...

The device performs data connectivity between its ports and also delivers PoE to the ports. In addition, the PoE passive hub allows customers to avoid the power-wasting active switching components ...

I'm just not sure if a POE+ switch can be set to output less power to comply with the POE standard. So I do not even have to define the switch port ... 802.3af in addition to PoE+ (802.3at ...

Another option is to use a PoE injector, which works with non-PoE switches to ... In 2009, the IEEE 802.3 working group released the second PoE standard, IEEE 802.3at. This added a power class ...

QUESTION: Is it possible to provide an IC for the power sourcing equipment (PSE) and another for the powered device (PD) in a PoE system that can handle higher loads than the current IEEE 802.3at ...

Power over Ethernet LAN switches have accelerated ... For example, the IEEE 802.3af standard allows a maximum of 15.4 Watts of power to be delivered, corresponding to Cat. 3, Cat. 5 or higher cables.

Thanks to its 802.3at compliance, the PoE port provides up to 30 W, guaranteeing the ability to easily power any high-power device. Potential applications include VoIP phones, surveillance cameras ...

The PDA-604A Powered Device Analyzer offers the following comprehensive PoE PD Analysis ... testing of 802.3at Type-1 and Type-2 PD's. License options include 802.3bt Type-3 & 4 (Class 5-8 ...