Our inverters connected in RJ45 wire on our Ethernet network. Yes it is possible for ~20€ !!!
No need for USB or WiFi connections, only a wired connection.
Smartphoton and your computer with a VM* or Raspberry can now be in a different room than the UPS.
See the topic http://domosimple.eu/forum/thread-93.html
* VM = Virtual Machine under VirtualBox