Digi TX54 User Manual page 505

Applications
If the Python script or session terminates prior to releasing control to the system, the LEDs will
continue to have the state that Python set to them, until the device is rebooted. See
applications to run automatically
controlled by the Python script even after reboot.
If any system processes attempt to take control of the LED while Python is in control of it, the state
information from the system process is recorded but the LED state is not updated until Python
releases control of the LED. When the LED is returned to system control, the state of the LED will
reflect the correct, recorded state information.
TX54 User Guide
for information about configuring the device so that the LED state is
Digidevice module
Configure
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