Calculators and a template for AV and live production crews. Each one is free to use on its page.
Set the panel and the grid to get cabinets, resolution, weight, peak power, and circuits sized at 80% of rating.
Count powered ports by 802.3af/at/bt class and compare the allocation against the switch supply.
Add your gear to get the RU total, a spacing allowance, and the enclosure size that fits it.
Draw broadcast signal flow diagrams free: SDI cameras, ATEM switchers, and record paths wired port to port.
A free CSV cable schedule template with the columns crews use, to download and fill in.