USB to Serial with permanent COM Port Assignment

1-Port

1-Port USB to serial RS-232 and/or RS-422/485 Adapter

2-Port

2-Port Industrial USB to Serial Adapter, USB to RS-232 and/or RS-422/485 converter

4-Port

Industrial 4-Port USB to Serial converter RS-232 and/or RS-422/485 Adapter

8-Port

Inidustrial 8-Port USB to serial converter, USB to RS-232 and/or RS-422/485 Adapter

16-Port

16-Port Industrial USB to serial converter, Serial to USB adapter, RS-232 and/or RS-422/48...