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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

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 282 283

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