A čo niečo takéto - https://www.aliexpress.com/item/32967311340.html
Ethernet 2x RJ45 10/100/1000Mb/s Intel i211AT Ethernet
COM 6x RS232( 3 line), COM5 COM 6 support set to RS485 Free send expand cables
Ethernet 2x RJ45 10/100/1000Mb/s Intel i211AT Ethernet
COM 6x RS232( 3 line), COM5 COM 6 support set to RS485 Free send expand cables