Hirschmann RS20 User Manual page 54

Multiple Rings
Figure 20: Sub-Ring – New Entry dialog
 Enter the value "1" as the ring ID of this Sub-Ring.
 In the Module.Port field, enter the ID of the port (in the form X.X) that
connects the device to the Sub-Ring (in the example, 1.9). For the
connection port, you can use all the available ports that you have not
already configured as ring ports of the basis ring.
 You have the option of entering a name for the Sub-Ring (in the
example, "Test").
 Select the Sub-Ring Manager mode (SRM mode). You thus specify
which connection between the primary ring and the Sub-Ring
becomes the redundant line.
The options for the connection are:
 Both Sub-Ring Managers have the same setting (default manager): - the device
with the higher MAC address manages the redundant line.

In the SRM Mode field, a device is selected to be the redundant manager: -
this device manages the redundancy line as long as you have configured the
other Sub-Ring Manager as a manager, otherwise the higher MAC address
applies.
Configure Sub-Ring Manager 1 as the "manager" and Sub-Ring
Manager 2 as the manager of the redundant line with "redundant
manager", in accordance with the overview drawing for this
example.
54
4.1 Sub-Ring
UM RedundConfig L2P
Release 8.0 05/2013