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Upstream: Upstream data uses QPSK or 16-level QAM (16-QAM) for DOCSIS 1.x, while QPSK, 8-QAM, 16-QAM, 32-QAM, and 64-QAM are used for DOCSIS 2.0 and 3.0. DOCSIS 2.0 and 3.0 also support 128-QAM with trellis coded modulation in S-CDMA mode (with an effective spectral efficiency equivalent to that of 64-QAM). DOCSIS 3.1 supports data modulations ...
DOCSIS 2.0 (cable modem) [13] 38/27 Mbit/s: 4.75/3.38 ... 51.2 GB/s: 2008 CXL Specification 1.x & 2.0 (×16 link) 512 Gbit/s: 63.02 ...
The charts below compare hardware and firmware features in the FRITZ!Box device range ... DOCSIS 3.0 and lower — 4 Gigabit b/g/n, ac ... 2.4 54 1 USB 1.1 — 3 1 —
In this "comparison" chart, DOCSIS 3.0 maximum download throughput is stated to be 1Gbps. Where does this 1Gbps figure come from? At 42.88 Mbps per 6MHz channel for 256-QAM, that means the maximum number of bonded channels is 24. 24 x 42.88 == 1029.12 Mbps.
Under the DOCSIS 3.0 and 3.1 specifications for data over cable TV systems, multiple channels may be bonded. Under DOCSIS 3.0, up to 32 downstream and 8 upstream channels may be bonded. [25] These are typically 6 or 8 MHz wide.
The Multimedia over Coax Alliance (MoCA) is an international standards consortium that publishes specifications for networking over coaxial cable.The technology was originally developed to distribute IP television in homes using existing cabling, but is now used as a general-purpose Ethernet link where it is inconvenient or undesirable to replace existing coaxial cable with optical fiber or ...
Cable modem termination system. A cable modem termination system (CMTS, also called a CMTS Edge Router) [1] is a piece of equipment, typically located in a cable company's headend or hubsite, which is used to provide data services, such as cable Internet or Voice over IP, to cable subscribers.
2.5 Gbit/s and 5 Gbit/s Operation over Backplane 802.3cc 2017-12 25 Gbit/s over Single-Mode Fiber 802.3cd 2018-12 Media Access Control Parameters for 50 Gbit/s and Physical Layers and Management Parameters for 50, 100, and 200 Gbit/s Operation 802.3ce 2017-03 Multilane Timestamping 802.3.2-2019 2019-03 802.3cf, YANG Data Model Definitions