Power over Ethernet (PoE)
Power APs, phones and cameras from the switch without overloading it, and avoid damaging equipment with the wrong type of PoE.
- Level
- Beginner
- Length
- About 35 minutes
- Contents
- 3 lessons · 1 video · final exam
- Status
- Published · updated 1 Oct 2026
Skills you'll practise
- Name the 802.3 PoE standards and their power levels at the switch port
- Calculate whether a switch's PoE budget covers the connected devices
- Explain the risk of mixing passive PoE and standards-based PoE
- Gather the information needed before adding a powered device
Course outline
- 1.Power over Ethernet: budgets and standardsVideo · 2 min
- 2.PoE standards and budgetsLesson · 15 min
- 3.Planning PoE for a new installLesson · 15 min
- 4.Troubleshooting PoE problemsLesson · 15 min
- 5.Power over Ethernet (PoE): knowledge checkKnowledge check · 25 questions
- 6.Power over Ethernet (PoE): practical exerciseKnowledge check · 1 question
- 7.Final exam7 questions · passing it completes the course, so people who already know the material can test out
Sources it draws on
The lessons and questions are written from these references, so learners can go back to the original.
- IEEE 802.3af / 802.3at / 802.3bt Power over Ethernet
- Switch PoE power budget planning
See it with your own jobs and topics
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