Data Over Cable Service Interface Specification


Also found in: Acronyms.

Data Over Cable Service Interface Specification

(communications, networking)
(DOCSIS) ITU-approved interface requirements for cable modems involved in high-speed data distribution over a cable television network. DOCSIS compatible equipment uses a 6 MHz carrier band for downstream, using 64 and 256 QAM (ITU Annex B), and QPSK and 16 QAM for upstream, allowing up to 36 and 10 Mb/s, respectively for downstream and upstream channels.

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References in periodicals archive ?
Among this year's highlights are 200 megabit-per-second Internet access via the cable industry's Data over Cable Service Interface Specification (DOCSIS(R)) platform; OpenCable(TM) Applications Platform (OCAP(TM))-based exhibits, demonstrations of interactive services and Voice-over-Internet Protocol (VoIP).
It builds upon the already successful Data Over Cable Service Interface Specification (DOCSIS(R)) project that has helped launch the deployment of more than 25 million high-speed, always-connected, interoperable cable modems internationally.
The Pace DSG set-top utilizes the integrated Data over Cable Service Interface Specification (DOCSIS) channel to carry out-of-band set-top signals.
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