Changes
The RS232-C interface of the "XRS-Modul" was advertised to be compatible with Amstrad/Pace interfaces, but offers only one channel (so no channel B).
* [[Media:Vortex RS232-C Manual.pdf|Benutzerhandbuch für die Vortex RS232-C ManualSchnittstelle]] {{DE}} (pdfRS232-C user manual)
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