FibeAir IP-20C/S/E
User Guide
Ceragon Proprietary and Confidential
Page 581 of 597
Alarm ID Name
Type
Description
Severity
Probable Cause
Corrective Action
Notes
2100
STM-1-OC-3-IN-LOS
Alarm
Loss of Signal on Line Interface
(LOS) on STM-1/OC-3 port.
Critical
1.
Line is not properly connected.
2.
External equipment is faulty.
1.
Reconnect line.
2.
Check line cables.
3.
Check external equipment.
2101
STM-1-OC-3-IN-LOF
Alarm
Loss of Frame on Line Interface
(LOF) on STM-1/OC-3 port.
Major
1.
Line is not properly connected.
2.
External equipment is faulty.
1.
Reconnect line.
2.
Check line cables.
3.
Check external equipment.
2102
STM-1-OC-3-IN-MSAIS Alarm
Alarm Indication Signal on Line
Interface (MS-AIS/AIS-L) received.
Minor
1.
Line is not properly connected.
2.
External equipment is faulty.
1.
Reconnect line.
2.
Check line cables.
3.
Check external equipment.
2103
STM-1-OC-3-IN-MSRDI Alarm
Remote Defect Indication on Line
Interface (MS-RDI/RDI-L) received.
Minor
External equipment is faulty.
Check external equipment.
2104
STM-1-OC-3-RX-LOS
Alarm
Loss of STM-1/OC-3 Frame on Radio
Interface.
Major
1.
All channels in Multi Carrier ABC
group are down.
2.
Incorrect configuration on remote
side.
1.
Check link performance.
2.
Check radio alarms for channel.
3.
Check configuration.
2105
STM-1-OC-3-RX-
MSAIS
Alarm
MS-AIS/AIS-L on Radio Interface
detected.
Minor
1.
Remote STM-1/OC-3 signal is
missing (LOS/LOF/MS-AIS/AIS-L
on remote STM-1/OC-3
interface).
2.
STM-1/OC-3 Channel removed
due to reduced radio capacity on
remote side.
Check remote equipment.
2106
STM-1-OC-3-RX-RDI
Alarm
MS-RDI/RDI-L on Radio Interface
detected.
Minor
External equipment is faulty.
Check remote equipment.