"poe opmode static" might work And "poe opmode never" might be best for non-poe ports to save PoE wattage for lights. See image below and https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9400/software/release/17-8/configuration_guide/int_hw/b_178_int_and_hw_9400_cg/configuring_poe.html 