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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. 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.

  4. CPU modes - Wikipedia

    en.wikipedia.org/wiki/CPU_modes

    Mode protection may extend to resources beyond the CPU hardware itself. Hardware registers track the current operating mode of the CPU, but additional virtual-memory registers, page-table entries, and other data may track mode identifiers for other resources. For example, a CPU may be operating in Ring 0 as indicated by a status word in the CPU ...

  5. 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.

  6. Wi-Fi 7 - Wikipedia

    en.wikipedia.org/wiki/Wi-Fi_7

    The ARRIS SURFboard G54 is a DOCSIS 3.1 cable gateway featuring Wi-Fi 7. It became available in October 2023. Lumen's Quantum Fiber W1700K and W1701K are WiFi 7 certified and provided with their 360 WiFi offering. It is the first device made for a major Telecommunications Provider that's certified for WiFi 7. [54]

  7. Zenith Cable Modem - Wikipedia

    en.wikipedia.org/wiki/Zenith_Cable_Modem

    In comparison, a 2003 DOCSIS 2.0 compliant CMTS operating at 0.5 to 1 dB from theory provide both 16QAM and 64 QAM in 6.4 MHz at 25 dB C/noise, and in some cases negative C/I. [2] RF plant maintenance in 1994–1995

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Current-mode logic - Wikipedia

    en.wikipedia.org/wiki/Current-mode_logic

    Current mode logic (CML), or source-coupled logic (SCL), is a digital design style used both for logic gates and for board-level digital signaling of digital data. The basic principle of CML is that current from a constant current generator is steered between two alternate paths depending on whether a logic zero or logic one is being represented.