ETSI ETS 300 304 ed.1 (1994-11)

SLOVENSKI STANDARD
SIST ETS 300 304 E1:2003
01-december-2003
Prenos in multipleksiranje (TM) – Informacijski model v sistemu sinhrone digitalne
hierarhije (SDH), gledano s strani omrežnega elementa (NE)
Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH) information
model for the Network Element (NE) view
Ta slovenski standard je istoveten z: ETS 300 304 Edition 1
ICS:
33.040.20 Prenosni sistem Transmission systems
SIST ETS 300 304 E1:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ETS 300 304 E1:2003
EUROPEAN ETS 300 304
TELECOMMUNICATION November 1994
STANDARD
Source: ETSI TC-TM Reference: DE/TM-02201
ICS: 33.080
SDH, NE
Key words:
Transmission and Multiplexing (TM);
Synchronous Digital Hierarchy (SDH) information model
for the Network Element (NE) view
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
F-06921 Sophia Antipolis CEDEX - FRANCE
Postal address:
650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Office address:
c=fr, a=atlas, p=etsi, s=secretariat - secretariat@etsi.fr
X.400: Internet:
Tel.: +33 92 94 42 00 - Fax: +33 93 65 47 16
Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the
foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 1994. All rights reserved.
New presentation - see History box

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Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

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Contents
Foreword .5
1 Scope .7
2 Normative references.7
3 Abbreviations.8
4 Registration supporting Abstract Syntax Notation one (ASN.1).9
5 Generic objects fragment.9
5.1 Generic objects - object classes.9
5.2 Generic objects - packages, attributes, ASN.1, name-bindings .9
6 SDH TP fragment.10
6.1 SDH TP - object classes.10
6.2 SDH TP - packages.11
6.3 SDH TP - attributes.11
6.4 SDH TP - name bindings .11
6.5 SDH TP - subordination rules .12
6.6 SDH TP - constraints .13
7 Plesiochronous Digital Hierarchy (PDH) fragment .14
7.1 Object classes definitions .15
7.2 Attributes definitions.17
7.3 Name bindings definitions.17
7.4 ASN.1 definitions .20
8 Cross-connection fragment.21
8.1 Cross-connection - object classes.21
8.2 Cross-connection - packages .21
8.3 Cross-connection - attributes.21
8.4 Cross-connection - name bindings .21
9 Protection fragment.22
9.1 Object classes .22
9.2 Packages .22
9.3 Attributes.22
9.4 Name bindings.23
10 Equipment fragment.23
10.1 Equipment fragment - object classes .23
10.2 Equipment - attributes.24
10.3 Equipment - name bindings .25
10.4 Equipment - supporting ASN.1 .25
11 Support objects fragment.25
11.1 Support objects - object classes.25
11.2 Support objects - attributes.26
11.3 Support objects - name bindings .27
11.4 Support objects - supporting ASN.1 .27
Annex A (informative): Figures.29
Annex B (informative): Mapping of G.783 defects on M.3100 or X.721 probable causes .44

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Annex C (informative): Bibliography . 45
History. 46

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Foreword
This European Telecommunication Standard (ETS) was produced by the Transmission and Multiplexing
(TM) Technical Committee of the European Telecommunications Standards Institute (ETSI).
This ETS describes the information model for Network Elements (NEs) which use the Synchronous Digital
Hierarchy (SDH) multiplexing structure.
Transposition dates
Date of latest announcement of this ETS (doa): 28 February 1995
Date of latest publication of new National Standard 31 August 1995
or endorsement of this ETS (dop/e):
Date of withdrawal of any conflicting National Standard (dow): 31 August 1995

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Blank page

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1 Scope
This European Telecommunication Standard (ETS) defines the information model to be used at the
interface between Network Elements (NEs) and management systems, for the management of
Synchronous Digital Hierarchy (SDH) NEs.
This ETS defines the information model for SDH NEs.
This ETS does not define:
- the protocol stack to be used for message communication;
- the network level management processes;
- the application contexts;
- the conformance requirements to be met by an implementation of this information model;
- information models for other systems or equipment.
The information model defined here (and the corresponding message set) is concerned with the
management of NEs, the equipment by which they are implemented and the functions contained within
them. More precisely, it applies to an equipment domain visible at the element manager to NE interface
and is only concerned with information available within that domain. Information proper to the domain of a
network level management process is not included within this model.
2 Normative references
This ETS incorporates by dated and undated reference, provisions from other publications. These
normative references are cited at the appropriate places in the text and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications
apply to this ETS only when incorporated in it by amendment or revision. For undated references the latest
edition of the publication referred to applies.
[1] CCITT Recommendation X.701 (1992): "Information technology - Open
Systems Interconnection - Systems management overview".
[2] CCITT Recommendation X.710 (1991): "Common management information
service definition for CCITT applications".
[3] CCITT Recommendation X.711 (1991): "Common management information
protocol specification for CCITT applications".
[4] CCITT Recommendation X.731 (1992): "Information technology - Open
Systems Interconnection - Systems management: State management function".
[5] CCITT Recommendation X.730 (1992): "Information technology - Open
Systems Interconnection - Systems management: Object management
function".
[6] CCITT Recommendation X.733 (1992): "Information technology - Open
Systems Interconnection - Systems management: Alarm reporting function".
[7] CCITT Recommendation X.734 (1992): "Information technology - Open
Systems Interconnection - System management: Event report management
function".
[8] CCITT Recommendation X.735 (1992): "Information technology - Open
Systems Interconnection - System management: Log control function".

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[9] CCITT Recommendation X.720 (1992): "Information technology - Open
Systems Interconnection - Structure management information - Part 1:
Management information model".
[10] CCITT Recommendation X.721 (1992): "Information technology - Open
Systems Interconnection - Structure of management information: Definition of
management information".
[11] CCITT Recommendation X.722 (1992): "Information technology - Open
Systems Interconnection - Structure of management information: Guidelines for
the definition of managed objects".
[12] CCITT Recommendation G.774 (1992): "Synchronous Digital Hierarchy
management information model".
[13] Draft ITU-T Recommendation G.774.03: "Synchronous digital hierarchy (SDH)
management of multiplex-section protection for the network element view".
[14] CCITT Recommendation M.3100 (1992): "Generic network information model".
3 Abbreviations
For the purposes of this ETS, the following abbreviations apply:
AIS Alarm Indication Signal
AP Access Point
ATM Asynchronous Transfer Mode
AU Administrative Unit
AUG Administrative Unit Group
CMIP Common Management Information Protocol
CMIS Common Management Information Service
CP Connection Point
CTP Connection Termination Point
GTP Group Termination Point
HPA Higher Order Path Adaptation
HPC Higher Order Path Connection
HPT Higher Order Path Termination
IA Indirect Adaptor
IOS Intra-Office Section
LOF Loss Of Frame
LPA Lower Order Path Adaptation
LPC Lower Order Path Connection
LPT Lower Order Path Termination
MS Multiplexer Section
MSA Multiplexer Section Adaptation
MST Multiplexer Section Termination
MSTTP Multiplexer Section Trail Termination Point
NE Network Element
OS Operation System
OSI Open Systems Interconnection
PDH Plesiochronous Digital Hierarchy
Pkg Packages
POH Path Overhead
PPI Plesiochronous Physical Interface
RDN Relative Distinguished Name
RS Regenerator Section
RST Regenerator Section Termination
RSTTP Regenerator Section Trail Termination Point
SDH Synchronous Digital Hierarchy
SDHNE Synchronous Digital Hierarchy Network Element
Snk Sink
Src Source
SPI Synchronous Physical Interface

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STM-N Synchronous Transport Module N
TMN Telecommunication Management Network
TP Termination Point
TTP Trail Termination Point
TU Tributary Unit
TUG Tributary Unit Group
VC-n Virtual Container n
4 Registration supporting Abstract Syntax Notation one (ASN.1)
ETS5 {ccitt(0) identified-organization(4) etsi(0) ets(304) informationModel(0)
asn1Module(2) eTS5(0)}
DEFINITIONS IMPLICIT TAGS ::= BEGIN
-- EXPORTS everything
eTS300304 OBJECT IDENTIFIER ::= {ccitt(0) identified-organization(4) etsi(0) ets(304)
informationModel(0)}
etsObjectClass OBJECT IDENTIFIER ::= {eTS300304 managedObjectClass(3)}
etsNameBinding OBJECT IDENTIFIER ::= {eTS300304 nameBinding(6)}
etsAttribute OBJECT IDENTIFIER  ::= {eTS300304 attribute(7)}
etsAction OBJECT IDENTIFIER    ::= {eTS300304 action(9)}
etsNotification OBJECT IDENTIFIER ::= {eTS300304 notification(10)}
END
5 Generic objects fragment
In this fragment, a working sub-set of standard and mature object classes have been adopted, mainly
from the CCITT X.700 series of Recommendations.
5.1 Generic objects - object classes
In this context the IMPORTS section specifies the object classes which can be instantiated in the scope of
this ETS. The IMPORTS section does not include uninstantiated superclasses.
BEGIN
IMPORTS
alarmRecord,
attributeValueChangeRecord,
eventForwardingDiscriminator,
log,
objectCreationRecord,
objectDeletionRecord,
stateChangeRecord
FROM {joint-iso-ccitt ms(9) smi(3) part2(2) managedObjectClass(3)}
alarmSeverityAssignmentProfile
FROM {ccitt(0) recommendation(0) m(13) m3100(3100) informationModel(0)
managedObjectClass(3)}
;
END
5.2 Generic objects - packages, attributes, ASN.1, name-bindings
All packages, attributes, ASN.1 and name-bindings associated with object classes are implicitly imported
from CCITT Recommendations defining the appropriate object classes.

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6 SDH TP fragment
6.1 SDH TP - object classes
In this context, the IMPORTS section specifies the object classes which can be instantiated in the scope
of this ETS. The IMPORTS section does not include uninstantiated superclasses.
BEGIN
IMPORTS
au4CTPBidirectional,
au4CTPSink,
au4CTPSource,
augBidirectional,
augSink,
augSource,
electricalSPITTPBidirectional,
electricalSPITTPSink,
electricalSPITTPSource,
msCTPBidirectional,
msCTPSink,
msCTPSource,
msDatacomCTPBidirectional,
msDatacomCTPSink,
msDatacomCTPSource,
msOrderwireCTPBidirectional,
msOrderwireCTPSink,
msOrderwireCTPSource,
msTTPBidirectional,
msTTPSink,
msTTPSource,
opticalSPITTPBidirectional,
opticalSPITTPSink,
opticalSPITTPSource,
rsCTPBidirectional,
rsCTPSink,
rsCTPSource,
rsDatacomCTPBidirectional,
rsDatacomCTPSink,
rsDatacomCTPSource,
rsOrderwireCTPBidirectional,
rsOrderwireCTPSink,
rsOrderwireCTPSource,
rsTTPBidirectional,
rsTTPSink,
rsTTPSource,
rsUserChannelCTPBidirectional,
rsUserChannelCTPSink,
rsUserChannelCTPSource,
tu11CTPBidirectional,
tu11CTPSink,
tu11CTPSource,
tu12CTPBidirectional,
tu12CTPSink,
tu12CTPSource,
tu2CTPBidirectional,
tu2CTPSink,
tu2CTPSource,
tu3CTPBidirectional,
tu3CTPSink,
tu3CTPSource,
tug2Bidirectional,
tug2Sink,
tug2Source,
tug3Bidirectional,
tug3Sink,
tug3Source,
vc11TTPBidirectional,
vc11TTPSink,
vc11TTPSource,
vc12TTPBidirectional,
vc12TTPSink,
vc12TTPSource,
vc2TTPBidirectional,
vc2TTPSink,
vc2TTPSource,
vc3TTPBidirectional,
vc3TTPSink,
vc3TTPSource,

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vc4TTPBidirectional,
vc4TTPSink,
vc4TTPSource,
vcnUserChannelCTPBidirectional,
vcnUserChannelCTPSink,
vcnUserChannelCTPSource
FROM {ccitt(0) recommendation(0) g(7) g774(774) informationModel(0)
managedObjectClass(3)}
;
END
6.2 SDH TP - packages
All packages associated with object classes are implicitly imported from CCITT Recommendations
defining the appropriate object classes.
6.3 SDH TP - attributes
All attributes associated with object classes are implicitly imported from CCITT Recommendations
defining the appropriate object classes.
supportedByObjectList
The value of the supportedByObjectList attribute points to the equipment and software objects which
implement the TPs.
6.4 SDH TP - name bindings
BEGIN
IMPORTS
au4CTPBidirectional-augBidirectional,
au4CTPSink-augBidirectional,
au4CTPSink-augSink,
au4CTPSource-augBidirectional,
au4CTPSource-augSource,
augBidirectional-msTTPBidirectional,
augSink-msTTPSink,
augSource-msTTPSource,
electricalSPITTPBidirectional-sdhNE,
electricalSPITTPSink-sdhNE,
electricalSPITTPSource-sdhNE,
msCTPBidirectional-rsTTPBidirectional,
msCTPSink-rsTTPBidirectional,
msCTPSink-rsTTPSink,
msCTPSource-rsTTPBidirectional,
msCTPSource-rsTTPSource,
msDatacomCTPBidirectional-msTTPBidirectional,
msDatacomCTPSink-msTTPBidirectional,
msDatacomCTPSink-msTTPSink,
msDatacomCTPSource-msTTPBidirectional,
msDatacomCTPSource-msTTPSource,
msOrderwireCTPBidirectional-msTTPBidirectional,
msOrderwireCTPSink-msTTPBidirectional,
msOrderwireCTPSink-msTTPSink,
msOrderwireCTPSource-msTTPBidirectional,
msOrderwireCTPSource-msTTPSource,
msTTPBidirectional-sdhNE,
msTTPSink-sdhNE,
msTTPSource-sdhNE,
opticalSPITTPBidirectional-sdhNE,
opticalSPITTPSink-sdhNE,
opticalSPITTPSource-sdhNE,
rsCTPBidirectional-electricalSPITTPBidirectional,
rsCTPBidirectional-opticalSPITTPBidirectional,
rsCTPSink-electricalSPITTPBidirectional,
rsCTPSink-electricalSPITTPSink,
rsCTPSink-opticalSPITTPBidirectional,
rsCTPSink-opticalSPITTPSink,
rsCTPSource-electricalSPITTPBidirectional,
rsCTPSource-electricalSPITTPSource,
rsCTPSource-opticalSPITTPBidirectional,
rsCTPSource-opticalSPITTPSource,
rsDatacomCTPBidirectional-rsTTPBidirectional,
rsDatacomCTPSink-rsTTPBidirectional,
rsDatacomCTPSink-rsTTPSink,

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rsDatacomCTPSource-rsTTPBidirectional,
rsDatacomCTPSource-rsTTPSource,
rsOrderwireCTPBidirectional-rsTTPBidirectional,
rsOrderwireCTPSink-rsTTPBidirectional,
rsOrderwireCTPSink-rsTTPSink,
rsOrderwireCTPSource-rsTTPBidirectional,
rsOrderwireCTPSource-rsTTPSource,
rsTTPBidirectional-sdhNE,
rsTTPSink-sdhNE,
rsTTPSource-sdhNE,
rsUserChannelCTPBidirectional-rsTTPBidirectional,
rsUserChannelCTPSink-rsTTPBidirectional,
rsUserChannelCTPSink-rsTTPSink,
rsUserChannelCTPSource-rsTTPBidirectional,
rsUserChannelCTPSource-rsTTPSource,
tu11CTPBidirectional-tug2Bidirectional,
tu11CTPSink-tug2Bidirectional,
tu11CTPSink-tug2Sink,
tu11CTPSource-tug2Bidirectional,
tu11CTPSource-tug2Source,
tu12CTPBidirectional-tug2Bidirectional,
tu12CTPSink-tug2Bidirectional,
tu12CTPSink-tug2Sink,
tu12CTPSource-tug2Bidirectional,
tu12CTPSource-tug2Source,
tu2CTPBidirectional-tug2Bidirectional,
tu2CTPSink-tug2Bidirectional,
tu2CTPSink-tug2Sink,
tu2CTPSource-tug2Bidirectional,
tu2CTPSource-tug2Source,
tu3CTPBidirectional-tug3Bidirectional,
tu3CTPSink-tug3Bidirectional,
tu3CTPSink-tug3Sink,
tu3CTPSource-tug3Bidirectional,
tu3CTPSource-tug3Source,
tug2Bidirectional-tug3Bidirectional,
tug2Sink-tug3Sink,
tug2Source-tug3Source,
tug3Bidirectional-vc4TTPBidirectional,
tug3Sink-vc4TTPSink,
tug3Source-vc4TTPSource,
vc11TTPBidirectional-sdhNE,
vc11TTPSink-sdhNE,
vc11TTPSource-sdhNE,
vc12TTPBidirectional-sdhNE,
vc12TTPSink-sdhNE,
vc12TTPSource-sdhNE,
vc2TTPBidirectional-sdhNE,
vc2TTPSink-sdhNE,
vc2TTPSource-sdhNE,
vc3TTPBidirectional-sdhNE,
vc3TTPSink-sdhNE,
vc3TTPSource-sdhNE,
vc4TTPBidirectional-sdhNE,
vc4TTPSink-sdhNE,
vc4TTPSource-sdhNE,
vcnUserChannelCTPBidirectional-vc3TTPBidirectional,
vcnUserChannelCTPBidirectional-vc4TTPBidirectional,
vcnUserChannelCTPSink-vc3TTPBidirectional,
vcnUserChannelCTPSink-vc3TTPSink,
vcnUserChannelCTPSink-vc4TTPBidirectional,
vcnUserChannelCTPSink-vc4TTPSink,
vcnUserChannelCTPSource-vc3TTPBidirectional,
vcnUserChannelCTPSource-vc3TTPSource,
vcnUserChannelCTPSource-vc4TTPBidirectional,
vcnUserChannelCTPSource-vc4TTPSource
FROM {ccitt(0) recommendation(0) g(7) g774(774) informationModel(0) nameBinding(6)}
;
END

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6.5 SDH TP - subordination rules
BEGIN
IMPORTS
augSinkSubordination,
augSourceSubordination,
augBidirectionalSubordination,
electricalSPITTPSinkSubordination,
electricalSPITTPSourceSubordination,
electricalSPITTPBidirectionalSubordination,
opticalSPITTPSinkSubordination,
opticalSPITTPSourceSubordination,
opticalSPITTPBidirectionalSubordination,
msTTPSinkSubordination,
msTTPSourceSubordination,
msTTPBidirectionalSubordination,
rsTTPSinkSubordination,
rsTTPSourceSubordination,
rsTTPBidirectionalSubordination,
sdhNESubordination,
tug2SinkSubordination,
tug2SourceSubordination,
tug2BidirectionalSubordination,
tug3SinkSubordination,
tug3SourceSubordination,
tug3BidirectionalSubordination,
vc3TTPSinkSubordination,
vc3TTPSourceSubordination,
vc3TTPBidirectionalSubordination,
vc4TTPSinkSubordination,
vc4TTPSourceSubordination,
vc4TTPBidirectionalSubordination
FROM {ccitt(0) recommendation(0) g(7) g774(774)}
;
END

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6.6 SDH TP - constraints
BEGIN
IMPORTS
downstreamConnectivityPointer-au4CTPSink,
upstreamConnectivityPointer-au4CTPSource,
downstreamConnectivityPointer-msCTPSink,
upstreamConnectivityPointer-msCTPSource,
upstreamConnectivityPointer-msTTPSink,
downstreamConnectivityPointer-msTTPSource,
downstreamConnectivityPointer-rsCTPSink,
upstreamConnectivityPointer-rsCTPSource,
upstreamConnectivityPointer-rsTTPSink,
downstreamConnectivityPointer-rsTTPSource,
downstreamConnectivityPointer-tu11CTPSink,
upstreamConnectivityPointer-tu11CTPSource,
downstreamConnectivityPointer-tu12CTPSink,
upstreamConnectivityPointer-tu12CTPSource,
downstreamConnectivityPointer-tu2CTPSink,
upstreamConnectivityPointer-tu2CTPSource,
downstreamConnectivityPointer-tu3CTPSink,
upstreamConnectivityPointer-tu3CTPSource,
upstreamConnectivityPointer-vc11TTPSink,
downstreamConnectivityPointer-vc11TTPSource,
upstreamConnectivityPointer-vc12TTPSink,
downstreamConnectivityPointer-vc12TTPSource,
upstreamConnectivityPointer-vc2TTPSink,
downstreamConnectivityPointer-vc2TTPSource,
upstreamConnectivityPointer-vc3TTPSink,
downstreamConnectivityPointer-vc3TTPSource
FROM {ccitt(0) recommendation(0) g(7) g774(774)}
;
END
ets_upstreamConnectivityPointer-vc4TTPSink CONSTRAINT RULE
 OBJECT CLASS
   vc4TTPSink AND SUBCLASSES;
 IS RELATED TO
   vc4TTPSource, vc4TTPBidirectional,
   au4CTPSink, au4CTPBidirectional;
 USING ATTRIBUTE
   "CCITT Recommendation M.3100:1992":upstreamConnectivityPointer;
 ACCORDING TO RULE
   SET SIZE (1) OF CHOICE{
    vc4TTPSource, vc4TTPBidirectional,
    au4CTPSink, au4CTPBidirectional};
;
ets_downstreamConnectivityPointer-vc4TTPSource CONSTRAINT RULE
 OBJECT CLASS
   vc4TTPSource AND SUBCLASSES;
 IS RELATED TO
   vc4TTPSink, vc4TTPBidirectional,
   au4CTPSource, au4CTPBidirectional;
 USING ATTRIBUTE
   "CCITT Recommendation M.3100:1992":downstreamConnectivityPointer;
 CASE{
  single ACCORDING TO RULE
   SET SIZE (1) OF CHOICE{
   vc4TTPSink, vc4TTPBidirectional,
   au4CTPSource, au4CTPBidirectional},
  broadcast ACCORDING TO RULE
   SET SIZE (1.N) OF CHOICE{
   vc4TTPSink, vc4TTPBidirectional,
   au4CTPSource, au4CTPBidirectional}
   };
;

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7 Plesiochronous Digital Hierarchy (PDH) fragment
This clause provides Managed Objects required to model PDH interfaces on SDH equipment.
7.1 Object classes definitions
CCITT Recommendation G.702 2 Mbit/s connection termination point
p12CTPSink MANAGED OBJECT CLASS
 DERIVED FROM "CCITT Recommendation M.3100:1992":connectionTerminationPointSink;
  CHARACTERIZED BY
    "CCITT Recommendation M.3100:1992":createDeleteNotificationsPackage,
    "CCITT Recommendation M.3100:1992":operationalStatePackage,
    "CCITT Recommendation M.3100:1992":stateChangeNotificationPackage,
    "CCITT Recommendation M.3100:1992":tmnCommunicationsAlarmInformationPkg,
    p12CTPSinkPkg PACKAGE
     BEHAVIOUR
      p12CTPSinkBehaviourPkg BEHAVIOUR
        DEFINED AS
         "This managed object class terminates a CCITT Recommendation G.702 2
Mbit/s connection and
         includes the lower order path adaptation function (LPA). For
asynchronous mappings there
         are no communication alarms.
         In SDH byte synchronous mapping, a communicationsAlarm notification
shall be issued if a
         Loss Of Frame (LOF) is detected. The probable Cause parameter of the
notification shall
         indicate LOF (Loss Of Frame)."
;;
     ATTRIBUTES
      p12CTPId                 GET;
;;
  REGISTERED AS {etsObjectClass 1};
p12CTPSource MANAGED OBJECT CLASS
 DERIVED FROM "CCITT Recommendation M.3100:1992":connectionTerminationPointSource;
  CHARACTERIZED BY
    "CCITT Recommendation M.3100:1992":createDeleteNotificationsPackage,
    p12CTPSourcePkg PACKAGE
    BEHAVIOUR
      p12CTPSourceBehaviourPkg BEHAVIOUR
        DEFINED AS
         "This object class originates a CCITT Recommendation G.702 2 Mbit/s
connection"
;;
     ATTRIBUTES
      p12CTPId                 GET;
;;
  REGISTERED AS {etsObjectClass 2};
p12CTPBidirectional MANAGED OBJECT CLASS
DERIVED FROM "CCITT Recommendation
M.3100:1992":connectionTerminationPointBidirectional,
            p12CTPSink,
            p12CTPSource;
 REGISTERED AS {etsObjectClass 3};
G.702 34 Mbit/s connection termination point
p31CTPSink MANAGED OBJECT CLASS
 DERIVED FROM "CCITT Recommendation M.3100:1992":connectionTerminationPointSink;
  CHARACTERIZED BY
    "CCITT Recommendation M.3100:1992":createDeleteNotificationsPackage,
    "CCITT Recommendation M.3100:1992":operationalStatePackage,
    "CCITT Recommendation M.3100:1992":stateChangeNotificationPackage,
    p31CTPSinkPkg PACKAGE
     BEHAVIOUR
      p31CTPSinkBehaviourPkg BEHAVIOUR
        DEFINED AS
         "This managed object class terminates a CCITT Recommendation G.702
34 Mbit/s connection and includes the lower order path adaptation
function (LPA)."

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;;
     ATTRIBUTES
      p31CTPId                 GET;
;;
  REGISTERED AS {etsObjectClass 4};
p31CTPSource MANAGED OBJECT CLASS
 DERIVED FROM "CCITT Recommendation M.3100:1992":connectionTerminationPointSource;
  CHARACTERIZED BY
    "CCITT Recommendation M.3100:1992":createDeleteNotificationsPackage,
    p31CTPSourcePkg PACKAGE
    BEHAVIOUR
      p31CTPSourceBehaviourPkg BEHAVIOUR
        DEFINED AS
         "This object class originates a CCITT Recommendation G.702 34 Mbit/s
connection."
;;
     ATTRIBUTES
      p31CTPId                 GET;
;;
  REGISTERED AS {etsObjectClass 5};
p31CTPBidirectional MANAGED OBJECT CLASS
 DERIVED FROM "CCITT Recommendation
M.3100:1992":connectionTerminationPointBidirectional,
            p31CTPSink,
            p31CTPSource;
 REGISTERED AS {etsObjectClass 6};
G.702 140 Mbit/s connection termination point
p4CTPSink MANAGED OBJECT CLASS
 DERIVED FROM "CCITT Recommendation M.3100:1992":connectionTerminationPointSink;
  CHARACTERIZED BY
    "CCITT Recommendation M.3100:1992":createDeleteNotificationsPackage,
    "CCITT Recommendation M.3100:1992":operationalStatePackage,
    "CCITT Recommendation M.3100:1992":stateChangeNotificationPackage,
    p4CTPSinkPkg PAC
...