What’s wrong with getting a hub? It’ll cost less than a new Z-Wave controller and avoid the hassle of excluding/including all of your devices.
If you don’t want a hub, I believe a USB2 extension cable will also work. However, I’m not 100% sure of that. Manufacturers used to throw in short extensions (3-6 inches) with fat USB dongles. Maybe you have one buried in a drawer that you can try?
I’d be surprised if that changes anything. The known issue with these particular sticks is that the RPi4 attempts to communicate with them as USB3 devices and fails. That’s why a USB2 hub is considered to be a quick and reliable solution.
EDIT: I see now that this is an offshoot from another discussion. I’d forgotten about the resistor hack.
Controller in basement, device on the 3rd floor, no way to define routes manually: might be a problem (connectivity and/or latency). Solution would be obvious: Place the controller on the 1st or 2nd floor …
The reason for keeping the controller in basement is a common server place supported by Power Backup UPs. At the moment with the bigger Aeotec USB controller it works. I have 35 z-wave nodes on different floors. At each floor there is at least one powered node with 230V (Shutter controller from FIBARO) what i believe makes the signal stronger.
What additional value brings this z-way software exactly in compression to OpenHAB? I am not a professional who understands the z-wave protocol itself but if this will help me to configure my network more stable and reliable or faster maybe it is worth to invest?