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Definition: DCS

(1) See also DSC.

(2) Digital Cross-connect System) A network switching and grooming device used by telecom carriers. See digital cross-connect.

(3) (Distributed Control System) A process control system that uses a network to interconnect sensors, controllers, operator terminals and actuators. Generally very large and costly systems, a DCS typically contains several computers for control and uses proprietary interconnections. Contrast with PLC and PAC. See process control and PAS.

(4) (Distributed Communications System) A telephone system that puts small switches close to subscribers, making local loops shorter and maximizing the long lines to the central office.

(5) (Desktop Color Separation) A graphics format for color separation that uses five Encapsulated PostScript (EPS) files, one for each of the CMYK colors, and one master file, which links the other four and contains a preview image.

(6) (Declarative Content Standard) An HTML and JavaScript-based format for delivering content for interactive TV. See ATV Forum.