08.06.2023, 13:38
Check System config > Status > System log or System config > Status > System status > Serial ports. It might list the modem ports there depending on the model.
For signal level see this: https://forum.logicmachine.net/showthrea...6#pid28906
For signal level see this: https://forum.logicmachine.net/showthrea...6#pid28906