DiSEqC (Digital Satellite Equipment Control), pronounced "Die-Sec",'s a special communication protocol for use between a satellite receiver and a device such as a multi-dish switch or a small(** see note at footer) dish antenna rotor. DiSEqC was developed by European satellite provider Eutelsat, which now acts as the standards agency for the protocol. DiSEqC relies only upon a coaxial cable to transmit both bidirectional data/signals and power. DiSEqC's commonly used to control switches and mo… (More on Diseqc)