By default COM ports are scanned in Microsoft Windows for connected modems. A side effect of this action can lead to the port baud rate to changing to 1200 baud. To turn off this feature, navigate to
Device Manager > Multi-port serial adapters, expand the option. R
ight-click on the desired Digi device entry and select
Properties. Next click on the
Advanced tab, followed by the
Properties... button:

Select the
Advanced tab, click on the
desired COM port and select the
Do Not Scan Modems on Boot option. Click
Apply and
OK to save:

The Copy Settings... option can be used to copy the settings to other COM ports:
Last updated:
Jun 23, 2019