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  2. DOCSIS - Wikipedia

    en.wikipedia.org/wiki/DOCSIS

    DOCSIS employs a mixture of deterministic access methods for upstream transmissions, specifically time-division multiple access (TDMA) for DOCSIS 1.0/1.1 and both TDMA and S-CDMA for DOCSIS 2.0 and 3.0, with a limited use of contention for bandwidth reservation requests. In TDMA, a cable modem requests a time to transmit and the CMTS grants it ...

  3. Cable modem - Wikipedia

    en.wikipedia.org/wiki/Cable_modem

    DOCSIS 2.0 added support for S-CDMA PHY, while DOCSIS 3.0 added IPv6 support and channel bonding to allow a single cable modem to use concurrently more than one upstream channel and more than one downstream channel in parallel. Virtually all cable modems operating in the field today are compliant with one of the DOCSIS versions.

  4. Radio frequency over glass - Wikipedia

    en.wikipedia.org/wiki/Radio_frequency_over_glass

    Additionally, higher-performance RFoG systems not only support DOCSIS 3.0 with bonding, but also enable 64 quadrature amplitude modulation (QAM) upstream transmission in a DOCSIS 3.0 bonded channel, dramatically increasing return-path bandwidth. Improved operational expenses; RFoG brings the benefits of a passive fiber topology.

  5. Troubleshoot a broadband internet connection - AOL Help

    help.aol.com/articles/troubleshooting-a...

    Check the physical connection - A loose cable or cord can often be the cause of a connection problem. Make sure everything is securely connected to the wall and device. 3. Reboot your modem/router - Sometimes the old "turn it off and on again" approach actually does work! Just wait about five minutes before turning it back on to make sure ...

  6. Talk:DOCSIS - Wikipedia

    en.wikipedia.org/wiki/Talk:DOCSIS

    If this is a de facto standard imposed by modem chipset manufacturers, ISPs, et al, this article should say so. Separately but related. That 42.88 Mbps rate per channel for 256-QAM is obtained by multiplying 8 bits per symbol times the symbol rate 5.360537 Msym/s stated in DOCSIS 3.0 PHY spec. (pg 100). 8 x 5.360537 == 42.884296 Mbps

  7. Troubleshoot a dial-up connection - AOL Help

    help.aol.com/articles/troubleshooting-a-dial-up...

    Check your physical phone connection - A loose cable or cord can often be the cause of a connection problem. Unplug all phone devices in your home - Unplug all phone devices in your home, then reconnect just the modem. Try to connect online, and if it works, plug in each device one at a time until you find the one causing the problem.

  8. Rouzbeh Yassini - Wikipedia

    en.wikipedia.org/wiki/Rouzbeh_Yassini

    2001: Enabled and managed the development of the state-of-the-art DOCSIS 2.0 symmetrical services worldwide 2000: Created and Introduced DOCSIS 1.1 Standards to the industry 1999: Principal contributor behind retail (CE) availability of DOCSIS 1.0, marking the cable industry's first-ever cable modem certification process in which a consumer ...

  9. DOCSIS Set-top Gateway - Wikipedia

    en.wikipedia.org/wiki/DOCSIS_Set-top_Gateway

    DOCSIS Set-top Gateway (or DSG) is a specification describing how out-of-band data is delivered to a cable set-top box. Cable set-top boxes need a reliable source of out of band data for information such as program guides, channel lineups, and updated code images.

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