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Transition Networks SISPM1040-182D
Technical Support: 1-800-260-1312 International: 00-1-952-941-7600
4.2 Coupling Ring Application
A network may have more than one X-Ring group. The coupling ring function can
connect each X-Ring for redundant backup. It can ensure transmissions between two
ring groups do not fail. The following figure illustrates a coupling ring application.