Just buy a passive USB splitter… %product-title% kopen ? Conrad Electronic
You can also buy a passive splitter with a normal 12v device connector. Add a little powerbank to the mix, connect homey to the powerbank, powerbank to the passive poe splitter and you have a mini APC keeping homey alive, powerd by POE. splitter is like 12 euros and a dumb little powerbank from ali about the same