Westermo DDW-221 User Manual
Page 13
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6642-22102
DDW-221
DDW-221
DDW-221
Daisy chain SHDSL connection
Redundant SHDSL connection
The DDW-221 are available with redundant ring technology. This eliminates
network failure caused by communication failures on the ring ports. In a ring
application one unit must be configured as focal point, all other units will be con-
figured as members.
Connect DSL 1 to DSL 2 on the following units to obtain a chain of linked units.
DDW-221
DDW-221
DDW-221
DDW-221
Connect DDW-120 to DDW-22x
In an SHDSL connection one unit shall be configured as CO (Central Office)
and one as CPE (Customer Premises Equipment). DDW-22x factory default is,
DSL1 configured as CPE and DSL2 configured as CO.
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