Common interface specification for conditional access and other digital video broadcasting decoder applications; German version EN 50221:1997 + Corrigendum:2000
German title
Festlegung der einheitlichen Schnittstelle für Zugriffsbeschränkung und andere digitale Fernsehrundfunkdecoder-Anwendungen; Deutsche Fassung EN 50221:1997 + Corrigendum:2000
Please get in touch with the relevant contact person at DIN if you have problems understanding the content of the standard or need advice on how to apply it.