DSL Modem Tool, as written by A. Matthoefer, is a very usefull tool for diagnosing and tuning of dsl-modems. Sadly it is written for Windows only, so I have started to reimplement it for Linux. Right now, it compiles and works under FreeBSD, too.

DMT-UX should be able to communicate with Thomson Speedtouch and all compatible modems. It was successfully tested with


DMT-UX is in alpha state and works for me. Use it at your own risk. I will gladly accept patches that add functionality or remove bugs.


DMT-US is licensed under GPL and can be downloaded here:

Please send comments, fixes and pizza to dmt-ux (at) spida (.) net