Installation guide

Configuring Cisco G.SHDSL HWICs in Cisco Access Routers
shdsl 4-wire mode
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shdsl 4-wire mode
To define the single-pair high-bit-rate digital subscriber line (SHDSL) to use enhanced mode in a 2-pair
digital subscriber line (DSL) group, use the shdsl 4-wire mode command in config controller DSL group
mode. To disable shdsl 4-wire mode, use the no form of this command.
shdsl 4-wire mode enhanced
no shdsl 4-wire mode enhanced
Syntax Description
Command Default Standard mode is the default setting.
Command Modes Config controller DSL group
Command History
Usage Guidelines Use the dsl-group command to create a 2-Pair DSL group and enter config controller DSL group mode.
Use the shdsl 4-wire mode enhanced command to define both pairs to operate in a symmetric 4-wire
configuration.
Examples The following example uses the shdsl 4-wire mode enhanced command to configure both pairs in a
2-Pair DSL group to operate in enhanced mode on the Cisco HWIC-4SHDSL:
Router (config-controller-dsl-group)# shdsl 4-wire mode ?
enhanced 4-wire mode start up on both pairs
Router (config-controller-dsl-group)# shdsl 4-wire mode enhanced ?
<cr>
Related Commands
enhanced Specifies both pairs in a 2-Pair DSL group to operate in a symmetric 4-wire
configuration.
Release Modification
12.4(15)T This command was introduced for the Cisco HWIC-4SHDSL and
HWIC-2SHDSL running on the Cisco 1841 router and on the Cisco 2800
and 3800 series access routers.
Command Description
dsl-group Creates a DSL group and enters config controller DSL group mode.
shdsl annex Defines the G.991.2 standard for a DSL group.
shdsl rate Defines the SHDSL rate.