Hirschmann RS20 Programming Manual page 32

Ring Redundancy
Figure 12: Ring Redundancy dialog (RSR20, RSR30, MACH 1000)
In the "Ring Recovery" frame, select 200ms.
Note: If selecting 200ms for the ring recovery does not provide the ring
stability necessary to meet the requirements of your network, you select
500ms.
Note: Settings in the "Ring Recovery" frame are only effective for
devices that you have configured as ring managers.
Under "Configuration Redundancy Manager", activate the advanced
mode.
Activate the ring manager for this device. Do not activate the ring
manager for any other device in the MRP-Ring.
Leave the VLAN ID as 0 in the VLAN field.
Switch the operation of the MRP-Ring on.
Click on "Set" to temporarily save the entry in the configuration.
The displays in the "Information" frame mean
– "Redundancy existing": One of the lines affected by the function can
fail, whereby the redundant line will then take over the function of the
failed line.
– "Configuration failure": The function is incorrectly configured or there
is an error in the ring port connection.
The "VLAN" frame enables you to assign the MRP-Ring to a VLAN:
32
3.2 Example of MRP-Ring
Redundanz L2P
Release 5.0 04/09