
Software Version 2.9.1 23
Software Version 2.9.1
C613-10486-00 REV C
SHDSL Enhancements
This Software Version includes the following enhancement to SHDSL:
■ ITU Standard Mode Operation
This section describes the enhancement. The modified commands to
implement it are described in Command Reference Updates.
ITU Standard Mode Operation
On the AR442S router, Software Version 2.9.1 enables you to set SHDSL
operation for either standards-based, or enhanced 2-pair, modes of operation.
The standards-based 2-pair mode is compatible with ITU standard G.991.2
(12/2003). The Enhanced 2-pair mode was initially developed prior to the
finalization of the ITU standard, and is therefore not compatible with
standards-based DSLAMs. Standards-based 2-pair mode is advisable for most
installations, but enhanced mode may be useful in circumstances where it is
compatible with the DSLAM.
To set the wire mode for SHDSL, use the command:
set shdsl=interface
[pairmode={2wire|4wirestandard|4wireenhanced|
1pair|2pairstandard|2pairenhanced}] [other-options]
To see the wire mode that an SHDSL interface is set to, use the command:
show shdsl={interface|all} linedetails
Command Changes
The following table summarises the modified commands:
Command Change
set shdsl New options for pairmode parameter
show shdsl linedetails New Pair mode field in output
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