The DMC-32/DMC-16/DMC+/DDMX-512 won’t connect on Linux

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The DMC-32/DMC-16/DMC+/DDMX-512 won’t connect on Linux

The device shows up in the list, but the connection attempt fails immediately.
This is usually due to invalid permissions on the device.

For udev-based systems, you can resolve this by adding rules for the device.

Open a terminal:
cd /etc/udev/rules.d

Create a file to hold the FTDI rules:
sudo nano 90-dragonframe-ftdi.rules

And add the following content to it, save and exit:

# FTDI permissions
SUBSYSTEM=="usb", ATTRS{idVendor}=="0403", MODE="0666"
SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", MODE="0666"

Reload the rules:
sudo udevadm control --reload

Then unplug the device, plug it back in, and try again.

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