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This page was last edited on 5 February 2024, at 12:22 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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.
The upstream throughput possible is 30.72 Mbit/s per 6.4 MHz channel (approximately 27 Mbit/s after overhead), or 10.24 Mbit/s per 3.2 MHz channel (approximately 9 Mbit/s after overhead). DOCSIS 3.1 supports a downstream throughput with 4096-QAM and 25 kHz subcarrier spacing of up to 1.89 Gbit/s per 192 MHz OFDM channel.
The range originally adopted in 1945 began with channel 201 (88.1 MHz), or a value high enough to avoid confusion with television channel numbers, [2] which over the years have had values ranging from 1 to 83. Having a gap between the highest TV channel number and the lowest FM channel number allowed for expansion, which occurred in 1978 when ...
The origin of the term arris is from the Latin arista, meaning the beard or the ear of grain or the bone of a fish. See also arête. An arris rail is a structural element, whose cross section is a 45 degree isosceles right angled triangle. Arris rails are usually made of wood, and are manufactured by cutting a length of square-section timber ...
Arris International Limited (styled as ARRIS) is an American telecommunications equipment company engaged in data, video and telephony systems for homes and businesses. [1] On April 4, 2019, Arris was acquired by network infrastructure provider CommScope .
2Wire produces a series of residential gateways under the HomePortal name that enable home networking with interfaces that range from ADSL 2+ to fiber to the node (VDSL 1 and 2), as well as FTTP. The gateways are based on integrated system-on-a-chip architectures, and have native TR-069 support, as well as support for HomePNA , MoCA , USB , 802 ...
In voice telecommunications, least-cost routing (LCR) is the process of selecting the path of outbound communications traffic based on cost.Within a telecoms carrier, an LCR team might periodically (monthly, weekly or even daily) choose between routes from several or even hundreds of carriers.