2 - OPERATION
Installation and User Guide - N56717020101
No reproduction or communication without the written consent of
SAGEM SA
Page A2-13
Defaults and Alarms
The tables below give the default values of severity associated with the failures.
Alarms Description Severity
SPI :
SDH Physical Interface
LOS Loss Of Signal- Major
TF Transmit Fail Major
RST :
Regenerator Section Termination
LOF Loss Of Frame Major
MST :
Multiplex section Termination
EBER-B2 Bit Error Rate > 10
-3
on B2 Byte major
SD-B2 Signal Degrade -B2 minor
MS-AIS Alarm Indication Signal Non-alarmed
MS-RDI Remote Defect Indication minor
MSP :
Multiplex Section Protection
PAM Protection Architecture Mismatch minor
SCM Selector Control Mismatch minor
OTM Operation Type Mismatch minor
MSA :
Multiplex Section Adaptation
AU-AIS Administrative Unit - Alarm Indication Signal Non-alarmed
AU-LOP Administrative Unit – Loss Of Pointer major
HPOM :
Higher Order path Overhead Monitor
HO-RDI/G1 High Order Path -Remote Defect Indication minor
HO-UNEQ High order Path – Unequipped Non-alarmed
HPT :
Higher Order Path Termination
HO-SLM High Order Path -Signal Label Mismatch Non-alarmed
HO-RDI/G1 High Order Path -Remote Defect Indication minor
HO-UNEQ High Order Path –UNEQuipped Non-alarmed
HPA :
Higher Order Path Adaptation
TU-LOM Tributary Unit - Loss Of Multiframe minor
TU-AIS Tributary Unit – Alarm Indication Signal Non-alarmed
TU-LOP Tributary Unit - Loss Of Pointer minor
LPOM :
Lower Order path Overhead Monitor
SD-B3 (VC3) Signal Degrade –B3 minor
SD-B2 (VC12) Signal Degrade –B2 minor
LO-RDI Low order Path -Remote Defect Indication minor
LO-UNEQ Low order Path – Unequipped Non-alarmed
Table 2-9 : Alarms and severity (1/2)
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