Common interface - VDR Wiki -

Connecting the “CI or CI+ Card” via COMMON INTERFACE slot common interface slot The common interface slot in a device is where the CI card is inserted, enabling the decryption process These cards are not just limited to televisions but are common interface slot Insert a Common Interface module into this slot 4 Common Interface 2 Insert a Common Interface module into this

common slot La Common Interface, sigla CI o DVB-CI dall'inglese Digital Video Broadcasting