Westermo DDW-100 - Manual (Page 8)

8 6621-2202
Getting started
The DDW-100 is easy to use and install, the units work in pairs, one as has to be config-
ured as CO (Central Office) and one as CPE (Customer Premises Equipment). This con-
figuration is made with DIP-switches situated under the lid of the DDW-100.
X Connect the SHDSL Line
There are two options for connecting the SHDSL line:
1) Connect the twisted pair to DSL screw terminal 1 and 2 (polarity independent)
situated atthe base of the DDW-100
2) Connect the line using the RJ-12 port on the front panel of the DDW-100.
Y Connect the Ethernet Line
Connect Ethernet to the TX port onthe front of the DDW-100.
The factory settings for the DDW-100 is plug and play mode where TX port
is enabled for:
… Ethernet Auto-negotiation enabled.
… Auto MDI/MDI-X.
… Auto-polarity enabled.
The DDW-100 will automatically sense the data rate of the connected unit and cable
type.
Z Settings in the units
The units operate in pairs, one as CO (Central Office) and one as CPE
(Customer Premises Equipment). Factory setting in the DDW-100 is as CPE.
Depending on the quality of the line and the distance there is possibility to select the
optimised speed.
This is done via DIP switches in the unit configured as CO. Factory default is 192 kbit/s.
When selecting higher speed note if the DSL link is established, if not, the selected speed
is too high for the distance.
Note! that these two connections are parallel, it is not possible to connect both
at the same time.
Note! Before connection and installation one of the connecting units have to be
reconfigured as a CPE, see DIP-switch S1:4.