1. data modelling data model Data Over Cable Service Interface Specification 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. CableLabs FAQ http://www. cablemodem. com/FAQs. html.
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