Conversor ADAM USB to RS232 / RS422 / RS485

Conversor ADAM USB to RS232 / RS422 / RS485
Full compliance with USB V1.1 specifications
RS-232/422/485 port supported
Transmission speed up to 115.2 kbps
Isolation protection 3000 VDC provided
Automatic RS-485 data flow control
No external power supply necessary; the hub derives its power from the USB port
Plug & Play installation
No additional IRQs or I/O ports required
Hot swap function supported
https://buy.advantech.eu/I-O-Devices-Communication/Remote-I-O-Modules-RS-485-I-O-Modules/model-ADAM-4561-CE.htm