40
6620-3201
4.18 Confi gure
>
DSL
>
ADSL
Products incorporating a DSL broadband interface will include a con
fi
guration page entitled
Confi gure
>
DSL
>
ADSL
. No con
fi
guration of the DSL is required in order to use the unit as the
default values should suf
fi
ce (for use in the UK). However, advanced users may wish to adjust some
of the parameters.
Using the Web Page(s)
Operational mode:
This parameter is used to specify the connection mode for the DSL link. The following options are
available:
Option Description
Multi-mode
For Annex A models (i.e. PSTN / POTS) this option provides automatic
selection between G.dmt, G.lite and ANSI (in the order listed). For
Annex B models (i.e. ISDN) this option provides automatic selection
between G.dmt and ETSI (in the order listed)
ANSI
Annex A only - attempt to connect in ANSI T1.413 mode
ETSI
Annex B only - attempt to connect in ETSI DTS/TM-06006 mode
G.dmt
Attempt to connect in ITU G.992.1 G.dmt mode
G.lite
Annex A only - attempt to connect in ITU G.992.2 G.lite mode
AFE:
For units
fi
tted with an Annex B (ISDN) interface, this parameter is used to select the type of ADSL
Analogue Front End (AFE) that is in use and can be set to “ISDN” or “ISDN U-R2” (to comply with
Deutsche Telekom’s U-R2 V5.1 speci
fi
cation).
Using Text Commands
To con
fi
gure ADSL parameters via the command line use the
adsl
command.
To display current settings for ADSL 0 enter the command:
adsl <instance> ?
where
<instance>
is 0.
To change the value of a parameter use the command in the format:
adsl <instance> <parameter> <value>
The parameters and values are:
Parameter
Values
Equipment Web Parameter
afe isdn,
isdn_ur2
AFE
debug off,
on
None - Sends debugging information to
the command line console
max_bpt
number
None - Maximum Bits/Tone Limit
oper_mode
multi, ansi, etsi,
g.dmt, g.lite
Operational mode
rxg_oset
number
None - Receive Gain Offset
tnm_oset
number
None - Target Noise Margin Offset
txg_oset
number
None - Transmission Gain Offset
Note:
txg_oset, rxg_oset, tnm_oset and max_bpt should not be changed without explicit
instructions from Westermo Technical Support.