User guide

Managing alarms and events Chapter 7: Operation
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phn-2513_004v000 (Oct 2012)
RFU Rx RF Synth Lock
Definition: This indicates a failure of the Rx RF synthesizer in the RFU.
Cause and action: This is a failure of the RFU hardware. Please inform Customer Support
of this alarm.
RFU Status
Definition: The status of the RFU.
Cause and action: The possible values for this attribute are shown in Table 252. If the
value is set to Fault, there will be another RFU alarm condition displayed indicating the
detail of the fault.
RFU Tx IF Synth Lock
Definition: This indicates a failure of the Tx IF synthesizer in the RFU.
Cause and action: This is a failure of the RFU hardware. Please inform Customer Support
of this alarm.
RFU Tx RF Synth Lock
Definition: This indicates a failure of the Tx RF synthesizer in the RFU.
Cause and action: This is a failure of the RFU hardware. Please inform Customer Support
of this alarm.
Rx Diversity Availability Status
Definition: Receive Diversity is enabled but not operating.
Cause and action:
• The Inactive CMU is not operating. Check that it is powered up and can be managed.
• The neighbor CMU does not have Rx Diversity enabled. Check the value of the
protection attribute.
• The neighbor CMUs are configured with incompatible attribute values. Check for any
outstanding configuration attributes <attribute Name> Neigbor Compatibility and
correct the mismatch.
• The RFU of the Inactive unit is faulty or not responding to the CMU. Check that there
is no outstanding RFU Status alarm.
• The IF cable between Inactive CMU and RFU is faulty. Check that there is no
outstanding RFU Status alarm.
• The Protection Interface is not operating. Check that there is no outstanding Protection
Interface Status alarm.