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9.3.1
Configuration File
The configuration file is stored both in the RMM and in a flash memory on
the MINI-LINK PT 2010 and both memories must correspond to the same
configuration file. The configuration file is identified using the serial number of
the MINI-LINK PT 2010 or the fingerprint of the RMM.
If a MINI-LINK PT 2010 needs to be replaced, the RMM from the faulty
MINI-LINK PT 2010 can be inserted in the new MINI-LINK PT 2010.
If a MINI-LINK PT 2010 or an RMM is replaced, the configuration file identity of
the RMM and flash memory are compared on power up. If the configuration file
identity differs between the two locations, it must be restored.
9.4
Fault Management
All software and hardware in operation is monitored by the control system.
The control system locates and maps faults down to the correct replaceable
hardware unit. Faults that cannot be mapped to one replaceable unit result in a
fault indication of all suspect units (this may be the whole NE).
The control system will generally try to repair software faults by performing
warm restarts on a given plug-in unit or on the whole NE.
9.4.1
Alarm Handling
MINI-LINK PT 2010 uses SNMP traps to report alarms to ServiceOn Element
Manager or any other SNMP based management system. To enable a
management system to synchronize alarm status, there is a notification log
(alarm history log) where all traps are recorded. There is also a list of current
active alarms. Both these can be accessed by the management system using
SNMP or from the MINI-LINK Craft. The alarm status of specific managed
objects can also be read.
In general, alarms are correlated to prevent alarm flooding. Correlation will
cause physical defects to suppress alarms, like AIS, at these higher layers.
Disabling alarm notification means that no new alarms or event notifications
are sent to the management systems.
Alarm and event notifications are sent as SNMP v2c/v3 traps with a format
according to Ericsson's Alarm IRP SNMP solution set version 1.2. The following
fields are included in such a notification:
1/221 02-CSH 109 172/1-V1 Uen E | 2012-11-07
DCN parameters, such as host name, IP address
Packet Terminal parameters, such as frequency, output power, ATPC and
protection
Management
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