I have an FTDI USB device connected to an "Ethernet Printer Server" (specifically TP-Link TL-PS310U), and I can "see" the USB device as a printer:
Is there a way to perform serial communication with the device through Bonjour?
Observation 1: I can communicate with USB device without a driver when I plug it directly into macOS.
Observation 2: I have managed to communicate with the remote USB device on Windows by installing the software provided by TP-Link, which creates a virtual COM port: