G.shdsl


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G.shdsl

A DSL technology from the ITU (G.991.2) that provides symmetric transmission from 192 Kbps to 2.3 Mbps using a single copper pair, depending on distance from the central office (from 20,000 ft. to 6,500 ft.). With two wire pairs, 384 Kbps to 4.6 Mbps can be achieved. G.shdsl incorporates rate adaptability from SDSL and the TC PAM modulation technique from HDSL-2, hence the "sh" in the name. It was developed to provide interoperability with the alphabet soup of digital transmission technologies, including SDSL, HDSL, ISDL, ISDN, T1 and E1. G.shdsl's handshaking protocol (G.hs) can negotiate T1, E1, ISDN, ATM or IP framing depending on line conditions. See DSL.
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References in periodicals archive ?
"With the new G.shdsl Line Card and T1/E1 IMA WAN module, the CopperEdge platform provides the most comprehensive solution for business and residential broadband services in domestic and international markets.
Products include: network processors, T1/E1 framers, ZipWireMulti G.shdsl chipsets, hardware segmentation and reassemble (SAR) devices, and SONET framers.
G.shdsl is the newest member of the SDSL family, the industry's preferred business-class DSL service because it offers symmetrical data rates high enough to support capabilities such as multi-channel voice, Web hosting, video teleconferencing and e-mail servers.
The LA-140 with the G.SHDSL interface is currently available for testing.
(Nasdaq/NM:ECIL) a leading provider of digital subscriber line (DSL) solutions for business and residential users, has selected the Hydra G.SHDSL chip set from Metalink Ltd.
The Cisco 6000 IP DSL Switch family supports multi-DSL technologies including ADSL, SDSL, G.shdsl and IDSL from a single platform.
TELECOMWORLDWIRE-10 January 2001-Nortel Networks to add G.shdsl support to Universal Edge IMAS portfolio (C)1994-2001 M2 COMMUNICATIONS LTD http://www.m2.com