The 97801 was only a - very nice and ergonomic - serial text terminal (some models were VT220 compatible), but it was commonly used with SINIX systems. It seems

The 97801 was only a - very nice and ergonomic - serial text terminal (some models were VT220 compatible), but it was commonly used with SINIX systems. It seems that Siemens provided a 97801 emulator for Collage (https://www.computerwoche.de/a/siemens-macht-sich-mit-collage-ein-paar-bilder,1149322 https://www.computerwoche.de/a/siemens-macht-sich-mit-collag...).