Cisco 2960 Error: %ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error: Power Controller reports power supply VEE under voltage and lockout – IT Wiz Technology Blog
CISCO PWR-1941-POE INLINE POWER SUPPLY for 1941 Router w/ POE Cables 341-0323-01 | eBay
Troubleshooting Power over Ethernet (PoE) - Cisco
Command rejected: power inline static: pwr not available - Cisco Community
Solved: Due to Insuffiecnt inline pwer. Upgrade inline power source or install power injector. - Cisco Community
CCIEW – 2.4 Configure and Troubleshoot PoE for APs – Ripples in Harmony