Modems won't be using the FT2232 chip directly but serial adapters will. Imagine this setup:
PC[USB] <---> USB to RS232 adapter <---> [RS232]Modem
The only way for ModemManager to know that there is a modem behind the adapter is to probe the port.
Modems won't be using the FT2232 chip directly but serial adapters will. Imagine this setup:
PC[USB] <---> USB to RS232 adapter <---> [RS232]Modem
The only way for ModemManager to know that there is a modem behind the adapter is to probe the port.