Hope you are doing well !
Did you configured the Ethernet port addressing on the same Range IP address as the switch ?
Following section :
Now we have all the applications downloaded and the firmware, Let’s configure your Computer’s IP address, this must be statically assigned in order to have connectivity to your switch, remember you have an Ethernet cable from your computer to the Management port in the switch, so we require configure the computer with the same subnet.
Start>type control panel>View network status and Task>change adapter setting>Ethernet>right click properties>Internet Protocol (TCP/IPv4)>Select Use the following IP address>insert the same information I have>Click OK
Please provide an image/photo where you are trying to connect via console / Ethernet from ICX 7150 - C12 P (USB type C to USB ) to PC. Before uploading the photos please login to the RUCKUS account and you can upload the image.