Compatible RS485 Adaptors

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RS485 - USB

Generic RS485 - USB

Amazon UK Link1, Berrybase Link1

RS485 - Ethernet

Waveshare RS485 to RJ45 Ethernet DIN Rail Mount

More information on this adapter can be found under Gen4 Installation Notes

Amazon UK Link1 , Amazon UK Link2 , Amazon UK Link3

ZLAN5843A 8-port RS232/485 serial port to Ethernet

AliExpress

Untested but should work according to the specs...

USR-TCP232-410S RS232 / RS485 Serial to Ethernet Adapter

Amazon UK Link 1

Should work but potentially more hassle...

USR-TCP232-304 only supports a Virtual Com Port?

As this Model appears to only gives you a Virtual Com Port it might prove difficult to pass into Home Assistant running in a VM or Home Assistant OS?

Amazon UK Link1