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Tag Archives: SDV
DOCSIS 3.0 Tutorial – The EQAM
In my article on DOCSIS 3.0 M-CMTS architecture, I talked about the distributed nature of the CMTS with an M-CMTS core (the CPU of the system), a DOCSIS Timing Server, and an edge Quadrature Amplitude Modulator (EQAM). I am going to cover the EQAM in detail in this article because in the past couple of years, EQAM (also spelled eQAM) has rapidly become part of our vocabulary but its operation and value often go unappreciated. Further, in order to fully understand DOCSIS 3.0 operation, downstream channel bonding, and possible issue which may arise, a thorough understanding of the eQAM is critical. Continue reading
Posted in DOCSIS 3.0
Tagged Amplitude Modulation, Cable Modem, channel bonding, CMTS, DOCSIS, DOCSIS 3.0, docsis tutorial, DTI time source, edge qam, eQAM, IP, QAM, Quadrature Amplitude Modulation, RF, SDV, Telecommunications, tutorial, VOD, VoIP
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