Hirschmann RS20 Programming Manual page 72

Ring/Network coupling
The coupling mode indicates the type of the connected network.
In the "Coupling Mode" frame, select
– "Ring Coupling" or
– "Network Coupling"
Figure 35: Selecting the coupling mode
Select "Ring coupling" if you are connecting a redundancy ring.
Select "Network Coupling" if you are connecting a line structure.
Delete coupling configuration
The "Delete coupling configuration" button in the dialog allows you
to reset all the coupling settings of the device to the state on delivery.
72
5.2 Preparing a Ring/Network coupling
(see fig. 35)
Redundanz L2P
Release 5.0 04/09