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Maintenance and Trouble Clearing
RU Alarms
6.1
RU Alarms
The EMS detects and reports the alarms as described in the following tables. The details of critical, major, and
minor alarms are subject to change.
Table 38
Unit out of order
Probable Cause
RU is broken/abnormal operation
Note: Stops all RF transmission
Table 39
Soft alarm
Probable Cause
Software on RU is operating abnormally
Table 40
Initialization failure
Probable Cause
Software on RU is operating abnormally
Note: Stops all RF transmission
Table 41
Fronthaul Port Status Change
Probable Cause
SFP not implemented
SFP LOS
SFP TxFault
SFP 12C Access NG
L1 OFF
M-Plane OFF
Note: Stops all RF transmission
·
Issue 1.1, May 2021
Release 1.0
Severity
Critical
Severity
Critical
Severity
Critical
Severity
Critical
Corrective Action
Reset
Corrective Action
Reset
Corrective Action
Reset
Corrective Action
Reestablish L1 link or M-Plane
Fujitsu and Fujitsu Customer Use Only
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