Gigabit High-Power PoE+ Injector 1 x 30 W, IEEE 802.3at/af Power over Ethernet (PoE+ / PoE)
For a POE tester see TPS100C
Brand name(s) : IC Intracom

Features:
Save time and money by delivering data and power via existing network cables
Power output of up to 30 watts
Supports all IEEE 802.3at- and IEEE 802.3af-compliant PoE devices (Wireless LAN access points and bridges, VoIP [Voice over Internet Protocol] telephones, IP surveillance cameras)
Supports IEEE 802.3at/af detection and short circuit, overload and high-voltage protection
Fanless design ideal for silent operation