ANSI (American National Standard Institute)
AQL (Acceptable Quality Level)
CA (Conditional Access)
CAM (Conditional Access Module)
CAS (Conditional Access System)
CI (Common Interface)
Decoder: A digital set-top box will normally contain three separate decoders for converting the digital bit-stream back into a format that can be heard and viewed by the subscriber.
DHCP (Dynamic Host Configuration Protocol)
DiSEqC (Digital Satellite Equipment Control): A standard through which it is possible to let a DiSEqC compatible receiver send a signal over the RF cable to a switching device to switch between different LNBs or dishes. The DiSEqC uses the 22 kHz signal to control the switching device.
DVB (Digital Video Broadcasting)
Encoder: Encoders are devices used to digitize, compress, and scramble a range of audio, video, and data channels. Digital encoders allow TV operators to broadcast several high quality video programs over the same bandwidth that was formerly used t