What Is Power over Ethernet (PoE)? - Cisco

Power over Ethernet (PoE) is a technology for delivering DC power to devices over copper Ethernet cabling, without separate power supplies or outlets.

Cisco-Linksys Power Over Ethernet Adapter Kit : Electronics

Troubleshooting Power over Ethernet (PoE) - Cisco

Cisco CBS350-24NGP-4X 24-Port Multi-Gig PoE++ CBS350-24NGP-4X-NA

Power over Ethernet (PoE) Properties on Sx500 Series Stackable Switches - Cisco

Cisco SG500X-24P 24-Port Managed Stackable Gigabit PoE+ Switch w/ 4x 10 Gigabit SFP+ Ports 10GbE (180W) 500 Series

HWIC-D-9ESW-POE Cisco 9-Port Ethernet Switch HWIC, POE – Network Outlet

Cisco C9105AXW-E wireless access point Grey Power over Ethernet (PoE)

Power over Ethernet (PoE) on Cisco Catalyst Switches

What Is Power over Ethernet (PoE)? - Cisco

Meraki Multigigabit 802.3bt Power over Ethernet Injector