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Downstream: All versions of DOCSIS earlier than 3.1 use either 6 MHz channels (e.g. North America) or 8 MHz channels ("EuroDOCSIS"). DOCSIS 3.1 uses channel bandwidths of up to 192 MHz in the downstream. [15] Upstream: DOCSIS 1.0/1.1 specifies channel widths between 200 kHz and 3.2 MHz.
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.
2002: CED Broadband Top 50 leadership designates to lead 3 separate DOCSIS versions in less than 40 months [13] 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
[85] [87] Distributed Access Architecture (DAA) covers Remote PHY and Remote MACPHY and has as the goal, moving functions closer to end customers, allowing for easier capacity expansions as centralized facilities for equipment are downsized or potentially eliminated, and newer DOCSIS versions beyond DOCSIS 3.1 with higher speeds. Remote PHY ...
512 MB NAND flash memory shared between OS, NAS and answering machine storage. The international version does not include the 2 TAE phone sockets on the side. FRITZ!Box 7412 VDSL2 — 1 Fast b/g/n 2.4 300 0 — — 0 1 0 — 128 6.88 In Germany only as OEM version. FRITZ!Box 7430 VDSL2 — 4 Fast b/g/n 2.4 450 1 USB 2.0 0 1 0 128 7.31 FRITZ!Box ...
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.
PacketCable 1.0 comprises eleven specifications and six technical reports which define call signaling, quality of service (QoS), codec usage, client provisioning, billing event message collection, public switched telephone network (PSTN) interconnection, and security interfaces for implement a single-zone PacketCable solution for residential Internet Protocol (IP) voice services.
Traffic destined for the cable modem from the Internet, known as downstream traffic, is carried in IP packets encapsulated according to DOCSIS standard. These packets are carried on data streams that are typically modulated onto a TV channel using either 64-QAM or 256-QAM versions of quadrature amplitude modulation.
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