Version 2.2 RC, status 2007-12-10
Version 2.2, status 2008-01-31
Version 2.2b, status 2008-06-17
Version 2.2, status 2008-11-26
limited compatibility to ETS4! Please use these products in the ETS4 only with the two-level or three-level group address structure as found in the ETS2/3. Use with the expanded group address range or the free group address structure is not possible.