Hirschmann RS20 Reference Manual page 149

Redundancy
Parameter
Ring port X.X operation Display in "Operation" field:
Ring Manager Status
Ring Recovery
Information
Table 95: HIPER-Ring configuration
RM GUI L2E
Release 8.0 05/2013
Meaning
active: This port is switched on and has a link.
inactive: This port is switched off or it has no link.
Status information, no input possible:
Active (redundant line): The redundant line was closed
because a data line or a network component within the ring failed.
Inactive: The redundant ring is open, and all data lines and
network components are working.
The settings in the "Ring Recovery" frame are only effective for
devices that are ring managers.
In the ring manager, select the desired value for the test packet
timeout for which the ring manager waits after sending a test
packet before it evaluates the test packet as lost.

Standard: test packet timeout 480 ms
 Accelerated: test packet timeout 280 ms
Note: The settings are especially meaningful if at least one line in
the ring consists of a 1,000 MBit/s twisted pair line. The
reconfiguration time after connection interruption existing due to
the reaction characteristic of 1,000 MBit/s twisted pair ports can
thus be accelerated considerably.
If the device is a ring manager: The displays in this frame mean:
"Redundancy working": When a component of the ring is down, the
redundant line takes over its function.
"Configuration failure": You have configured the function
incorrectly, or there is no ring port connection.
6.1 Ring Redundancy
149