Watson-SHDSL-Router-Manual.doc
Version 1.0-03
Watson SHDSL Router
Operating Manual
3.5.6 Master / Slave
To start up a DSL link, one system unit must be configured as master modem (STU-C) and the
other one as slave (STU-R). The master controls the link startup procedure. If both system units are
configured as master or as slave, no startup will occur.
Usually, the Watson Ethernet plug-in is configured as master and the Watson SHDSL router as
slave (default setting). However, it is possible to set up a DSL link with two Watson SHDSL router
as long as one is configured as master and the other one as slave.
3.5.7 DSL Clocking
Watson SHDSL router have a crystal controlled DSL clock that does not depend on the clocking of
the Ethernet user interfaces (clockmode 1 of TS 101 524).
3.6 Firmware update
Watson SHDSL router offers a built-in mechanism for upgrading its firmware, without losing any
custom configurations and settings. There are two methods for upgrading the firmware:
Upgrading from a local computer - use a firmware image file pre-downloaded to your PC's disk.
Upgrading from the Internet - also referred to as Remote Update, use this method to upgrade
the firmware by remotely downloading an updated software image file.
3.7 Management
3.7.1 Management interfaces
Watson SHDSL router has several management possibilities:
Web based management (WBM) locally through the Ethernet user interfaces or remotely
through the DSL link. The full management possibilities (configuration, monitoring and alarm-
ing) is accessible using the WBM.
SNMP management locally through the Ethernet user interfaces or remotely through the DSL
link. SNMP management is very limited, because it supports only following MIBs: RFC 1213
(MIB-II), RFC 2011 (MIB for IP), RFC 2012 (MIB for TCP) and RFC 2013 (MIB for UDP).
Telnet and SSH management locally through the Ethernet user interfaces or remotely through
the DSL link.
DSL Embedded Operation Channel (DSL EOC): A Watson Ethernet plug-in (SZ.866.V654)
when configured as DSL master modem (STU-C) can manage the Watson SHDSL router
through the DSL EOC.
Notes:
Local or remote WBM, SNMP and Telnet management can be disabled if necessary. A dedi-
cated management VLAN can be used if necessary.
Watson SHDSL router is principally designed to be managed using the Web based manage-
ment. Most of the management capabilities are only accessible using the WBM
Revision: 2007-05-24 3-13
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