How Art Works (DK How Stuff Works)

EN15G-24-3 Gigabit PoE Injector, 24V 15W, Single Port PoE Power Injector for IP Camera, Wireless Access Point, IP Phones

Extreme Networks - 5420M-24W-4YE - Extreme Networks ExtremeSwitching 5420M Ethernet Switch - 24 Ports - 2 Layer Supported - Modular - 90 W PoE Budget - Twisted Pair, Optical Fiber - PoE Ports

Extreme Networks 5320-24P-8XE Universal Edge Switch with 24x 1G PoE+ Ports and 8X 10G SFP+ Uplinks, Fabric-Enabled EXOS/Voss (5320-24P-8XE)

IPCamPower 24 Port 802.3bt POE++ Extreme Power POE Injector Hub, 90 Watts on Each Port, 900 Total Watts Budget, Up to 10G 10/100/1000/10000 Speeds Each Port

PoE Texas 24 Port PoE Injector - Multi-Port PoE Gigabit Rack Mount Midspan for IP Cameras, Phones, WiFi AP, Add Power Over Ethernet to Non-PoE Switch or Network Router, Includes 56v 240w Power Supply

Europe to the Max with Rudy Maxa [DVD]

PoE Texas 4 Port 24V Passive PoE Injector with 24V 30W UL/FCC Certified Power Supply - Gigabit Injector - Passive Power Over Ethernet Multi Port PoE Adapter for Ubiquiti, Mikrotik, 24 Volt PoE Devices

PoE Texas 24 Port PoE Injector with 48v120w Power Supply - 10/100 Data - Rack Mount - Add Passive Mode B 802.3af PoE to a Non PoE Switch for VoIP, WiFi AP, IP Camera, Security & Surveillance Systems