PoE budget worksheet
A spreadsheet version of the PoE budget method in our planning guide. Enter device classes and counts and it totals the load and shows headroom against your switch budget, including the single-supply failure case.
Excel workbook (.xlsx) · built from our buying guide on this topic
What is inside
- A planner that looks up watts per port from the IEEE class table and multiplies by quantity
- Total load, headroom, a growth allowance and a pass or fail result, all by formula
- A failure-case check against the budget with one power supply out
- The IEEE class table from the guide
- The guide's method and common mistakes, with source links
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