Hirschmann RS20 Reference Manual page 206

Diagnostics
Name Meaning
Chassis Summarizes the following events:
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Redundancy The redundancy status of the ring redundancy (redundant line
active/inactive) or (for devices that support redundant ring/network coupling)
the redundant ring/network coupling (redundancy exists) has changed.
Port security On one port a data packet has been received from an unauthorized terminal
device (see the Port Security dialog).
Table 128:Trap categories
Figure 57: Alarms Dialog
206
The status of a supply voltage has changed (see the System dialog).
The status of the signal contact has changed.
To take this event into account, you activate "Create trap when status
changes" in the Diagnostics:Signal Contact 1/2 dialog.
The AutoConfiguration Adapter (ACA) has been added or removed.
– The configuration on the AutoConfiguration Adapter (ACA) differs from
that in the device.
The temperature thresholds have been exceeded/not reached.
The receiver power status of a port with an SFP module has changed
(see dialog Diagnosis:Ports:SFP Modules).
The configuration has been successfully saved in the device and in the
AutoConfiguration Adapter(ACA), if present.
The configuration has been changed for the first time after being saved
in the device.
7.8 Alarms (Traps)
RM GUI L2E
Release 8.0 05/2013