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This pdf was presented in the 4-pair POE ad hoc this morning. The spreadsheet was used to calculate the numbers in the last slide.
The spreadsheet is quite simple, but feel free to use it. Inputs are in yellow, and answers in green. It does not include MDI connectors, so increase the number by 2 to account for them.
22014 larsen cabling resistance unbalance.pdf
Description: 22014 larsen cabling resistance unbalance.pdf
dc resisance unbalance topology study.xlsx
Description: dc resisance unbalance topology study.xlsx