Ceragon FA4800 User Manual Page 232

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Page 232
7.4 FibeAir 70 System Alarms and Events
The following table lists all System Alarms and Events, together with their severity, possible
cause and corrective actions.
Indication Classification
and Severity
Explanation Probable
Cause
Corrective
Actions
Link Down Alarm
High
The communication
link (either the RF
or one of the
Ethernet ports) is
not operational.
Ethernet:
1) A cable is
disconnected.
2) Configuration
mismatch between
the ODU and end-
equipment.
RF Link:
1) Configuration
mismatch between
sides (frequency,
modulation, RF
role, etc.)
2) Line-of-Sight
disruption or
antennas not
aligned.
3) Faulty ODU
Ethernet:
1) Check the cable
connection.
2) Check the CLI
configuration and
end-equipment
configuration.
RF Link:
1) Check the
configuration.
2) Isolate the
problem using
loopbacks.
3) Check cable
connections and
antenna alignment.
4)Replace ODU
Temperature
High
Alarm
Medium
The ODU
temperature has
exceeded a
predefined
threshold.
1) The ODU is
installed in
extreme
temperature
conditions.
2) Wrong
temperature
reading made in
the ODU
1) Check the ODU
installation and
verify that it is
installed in
accordance with
environmental
specifications.
2) Replace ODU
CFM Fault
Alarm
Alarm
Varies
A maintenance end-
point (MEP) has a
persistent defect
condition.
Varies 1) Use the
reported OID to
determine the
source of the fault.
4Gon www.4Gon.co.uk [email protected] Tel: +44 (0)1245 808295 Fax: +44 (0)1245 808299
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