What is SHDSL?

SHDSL stands for Symmetric High-Bitrate Digital Subscriber Loop. SHDSL is the first standardized multi-rate symmetric DSL and is a product of the International Telecommunications Union - Telecommunications (ITU-T). SHDSL is designed to transport rate-adaptive symmetrical data across a single copper pair at data rates from 192 kbps to 2.3 Mbps or 384 kbps to 4.6 Mbps over two pairs. This covers applications traditionally served by HDSL, SDSL, T1, E1, and services beyond E1. SHDSL adheres to the following recommendations: ITU G.991.2 G.SHDSL, ETSI TS 101-524 SDSL and the ANSI T1E1.4/2001-174 G.SHDSL.