Hirschmann RS20 Programming Manual page 27

Ring Redundancy
Figure 10: Ring Redundancy dialog (RSR20, RSR30, MACH 1000)
Activate the ring manager for this device. Do not activate the ring
manager for any other device in the HIPER-Ring.
In the "Ring Recovery" frame, select the value "Standard" (default).
Note: Settings in the "Ring Recovery" frame are only effective for
devices that you have configured as ring managers.
Click on "Set" to temporarily save the entry in the configuration.
Redundanz L2P
Release 5.0 04/09
3.1 Example of HIPER-Ring
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