ICUSB234854I - Startech 4 Port Serial Hub USB to RS232/RS485/RS422 Adapter, Industrial USB 2.0 to DB9 Serial Converter Hub, IP30 Rated, Din Rail Mountable Metal Serial Hub, 15kV ESD Protection

6ft Locking Cable Incl - Serial adapter - USB 2.0 - RS-232/422/485 x 4 + USB 2.0 x 1 - black - TAA Compliant