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The NETGEAR Nighthawk CAX80, a high performing modem/router combo that works with internet plans up to 1200 Mbps, has similar specs as the Comcast/Xfinity-only Motorola MT8733—DOCSIS 3.1, 2.5 ...
Additionally, V.34 modems employ shell mapping as shaping code to reduce the transmit power. [5] V.34 (10/96) is an updated ITU-T recommendation for a modem, building on the V.34 standard but allowing up to 33.6 kbit/s bidirectional data transfer. Other additional defined data transfer rates are 31.2 kbit/s, as well as all the permitted V.34 rates.
Xfinity Voice (formerly Comcast Digital Voice) is a Voice Over IP cable telephony service that was launched in 2005 in some markets, [75] and to all of Comcast's markets in 2006. Comcast's older service, Comcast Digital Phone, continued to offer service for a brief period, until Comcast shut it down around in late 2007. [76]
A DOCSIS 3.0 cable modem A cable modem termination system (CMTS) A DOCSIS architecture includes two primary components: a cable modem located at the customer premises, and a cable modem termination system (CMTS) located at the CATV headend. [28] The customer PC and associated peripherals are termed customer-premises equipment (CPE). The CPE are ...
Canopy – A line-of-sight wireless technology, primarily used by ISPs to provide broadband internet; MotoMESH – A mobile wireless broadband product providing proprietary "Mesh-Enabled Architecture" and standards-based 802.11 network access in both the unlicensed 2.4 GHz band and the licensed 4.9 GHz public-safety band
A cable modem at the customer is connected via coaxial cable to an optical node, and thus into an HFC network. An optical node serves many modems as the modems are connected with coaxial cable to a coaxial cable "trunk" via distribution "taps" on the trunk, which then connects to the node, possibly using amplifiers along the trunk.
Com21 was another early pioneer in cable modems, and quite successful until proprietary systems were made obsolete by the DOCSIS standardization. The Com21 system used a ComController as the central bridge in CATV network head-ends, the ComPort cable modem in various models and the NMAPS management system using HP OpenView as the platform ...
Some models of Courier modems were known for their long-term upgradeability, because they used an upgradeable DSP design. For example, when the Courier V.Everything modem was first released in 1994 under the product label "Courier V.34 Ready"., [8] it shipped with only V.FC support, because V.34 had not been released.
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