CI interface: CI stands for Common Interface; an open and standardized interface in the satelliteReceiverthat at Pay TV makes it easy to switch providers. Decoder or digital receivers have an insertion slot (slot) in the one CA module (CAM) is inserted. The hardware and software interface of the CA module must be compatible with the interface in the slot of the decoder or receiver. This is the case if both correspond to the specifications of the standardized CI interface. See CAM and SmartCard.
