Specifications

Watson Ethernet
Operating Manual
Watson-Ethernet-Manual.doc
Version 3.3-01
7-6
Revision: 2010-01-20
7.2.2 DSL Configuration (Plug-in)
BACKOFF Span ON | OFF
Set SHDSL Power Back-Off function ON / OFF for a particular DSL span. The
default setting is BACKOFF ON.
CONFIG DSL Span
The CONFIG command displays the current configuration of a DSL spans of the
unit. You can also use CONFIG Span as a shortcut.
LTU_01_CM> CONFIG DSL1
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Local Configuration of SHDSL Span No 1
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Master/Slave : Master
Autorestart : Enabled
Power Backoff : Enabled
Payload Rate (max): 2048 kbit/s
Wire Pairs : 1
Line Rate : 2056 kbit/s
Line Code : PAM-16
FALLBACK Span [ timeout | OFF ]
Activates or deactivates single-pair fallback for a DSL span. The timeout value
specifies the number of minutes the STU-C tries to restart a multipair span be-
fore reverting to single-pair fallback. It is recommended to use 3 minutes as
timeout value.
FALLBACK Span will display the current configuration of single-pair fallback of a
span.
Note
It is not required to configure FALLBACK mode on the STU-R side. The entire fall-
back process is controlled by the STU-C
LINERATE Span n p
Set line rate for a DSL span
Parameters:
Span the DSL span
n number of DSL timeslots to be transmitted (3 n 89)
p number of constellations used: p = 16 for TC-PAM 16, p = 32 for TC-
PAM 32. If possible (i.e. consistent with n) the DSL span will be confi-
gured accordingly. If p is omitted then PAM-16 will be configured when
possible and PAM-32 otherwise.
MASTER Span ON | OFF
Set DSL master mode ON/OFF for a DSL span. On the Watson Ethernet plug-in
each DSL span can be configured individually as master or slave.