Coupling Ring Application

If the network has more than one X-Ring group, the coupling ring function is used to connect them and add redundancy. This ensures that transmissions between the two ring groups will not fail. The figure below is an example of the coupling ring application.

Dual Homing Application

The Dual Homing function is used to prevent a connection loss between the X-Ring group and the upper level/core switch. Assign a port in each X-ring group to be the Dual Homing ports The Dual Homing function can only be used when the X-Ring function is active. Each X-Ring group can have one Dual Homing port. Note: The upper level switches must have RSTP enabled.

Manual Documentation Number: EIR608-xSFP_0708m

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B&B Electronics EIR608-xSFP manual Coupling Ring Application, Dual Homing Application