StarTech.com USB to RS232/RS485/RS422 8 Port Serial Hub Adapter - Industrial Metal USB 2.0 to DB9 Serial Converter - Din Rail Mountable - Industrial 8 port serial hu
StarTech.com USB to RS232/RS485/RS422 4 Port Serial Hub Adapter - Industrial Metal USB 2.0 to DB9 Serial Converter - Din Rail Mountable - Industrial 4 port serial hu
Lantronix Device Server EDS2100 2 Port Secure RS232/422/485 Serial to IP Ethernet Gateway - Enhetsserver - 2 portar - 100Mb LAN, RS-232, RS-422, RS-485
StarTech.com USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial (ICUSB2324852) - Seriell adapter - USB 2.0 - RS-232, RS-422, RS-485 - 2 portar - grå