KBC Networks ESML8P-PC2 - Manual (Page 23)

Manual-ESML8P-PC2_Series-Rev1211
Copyright © KBC Networks Ltd.
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Coupling Ring Application 4.2
As the illustration shows below, users can employ X-Ring groups to form a coupling ring for
redundant backup. It can ensure that transmissions between X-Ring groups not to fail. The
following figure is an example of a coupling ring application.
Dual Homing Application 4.3
The Dual Homing function is designed to prevent connection loss between the particular X-Ring
group and an upper level/core switch. Assign one port, (and only one), to be the Dual Homing
port that is the backup port in each single X-Ring group. The Dual Homing function only works
when the X-Ring function is active.