DiSEqC stands for Digital Satellite Equipment Control.

DiSEqC

DiSEqC is a communication bus between satellite receivers and peripheral equipment such a LNBs, switches, and antenna positioners.

DiSEqC communication occurs over the existing coaxial cable.

Eutelsat developed DiSEqC and released it to the public as an open standard.

DiSEqC Specifications

Bus Specification
Logos and their Conditions of Use
Slave Microcontroller Specification
Update and Recommendations for Implementation
Application Information for using a “PIC” Microcontroller in DiSEqC LNB and Simple Switcher Applications
Application Information for Tuner-Receiver/IRDs
Application Information for LNBs and Switchers
Reset circuits for the Slave Microcontroller
Simple Tone Burst Detection
Positioner Application Note
Positioner Application Note Version 1
Slave IC – Price and Availability
Technical Information Service
Registration Form for DiSEqC Product Directory