Explanation of IEEE 802.3af Power over ethernet – Visiotech
Amazon.com: Active PoE Splitter - Power Over ethernet Splitter Adapter, 48V to 12V, IEEE 802.3af Compliant, 10/100Mbps PoE Splitter for Surveillance Camera, WAP and VoIP Phone, up to 100m, 2 Pack : Electronics
POE Injector/Splitter (POE IEEE 802.3af to 12V/1.3A + LAN) [for eg. IP-cameras without POE] [ LAN ]
Poe Injector 48v 0.5a PowerOver Ethernet Adapterfor IP Phone Camera IEEE 802.3af for sale online | eBay