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اطلاعات از ویکیپدیا :
SHDSL features symmetrical data rates from 192 kbit/s to 2,304 kbit/s of payload in 64 kbit/s increments for one pair and 384 kbit/s to 4,608 kbit/s in 128 kbit/s increments for two pair applications.
Single-pair high-speed digital subscriber line - Wikipedia, the free encyclopedia
اطلاعات از سایت رسمی سیسکو :
The first standardized multirate symmetric DSL, G.SHDSL has been an accepted worldwide technology standard based on ITU recommendation G.991.2. G.SHDSL is designed to transport rate-adaptive symmetrical data across a single copper pair at data rates up to 2.304 Mbps for a single pair or up to 4.608 Mbps over two pairs.
G.SHDSL HWICs for Cisco Integrated Services Routers