Sagem ADR 155C Defaults and Alarms, SPI SDH Physical Interface, MST Multiplex section Termination

2 - OPERATION

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 > 10-3on 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)

Installation and User Guide - N56717020101

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