The power budget is the total amount of power that a PoE switch or injector can provide to the connected PoE devices. If the power budget is exceeded, some of the PoE devices may not receive enough power to function properly. To troubleshoot this issue, the network administrator should check the power consumption of each PoE device and the power capacity of the PoE switch or injector. Reference: PoE Troubleshooting: The Common PoE Errors and Solutions1 Security Camera Won't Work - Top 10 Solutions to Fix2 CompTIA Network+ N10-008 Exam Objectives: https://www.comptia.org/certifications/network#examdetails