SIST ETS 300 371 E2:2005

SLOVENSKI STANDARD
01-julij-2005
Prenos in multipleksiranje (TM) - Informacijski model pleziohrone digitalne
hierarhije (PDH), gledano s strani omrežnega elementa (NE)
Transmission and Multiplexing (TM); Plesiochronous Digital Hierarchy (PDH) information
model for the Network Element (NE) view
Ta slovenski standard je istoveten z: ETS 300 371 Edition 2
ICS:
33.040.20 Prenosni sistem Transmission systems
33.040.40 Podatkovna komunikacijska Data communication
omrežja networks
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN ETS 300 371
TELECOMMUNICATION October 1996
STANDARD Second Edition
Source: ETSI TC-TM Reference: RE/TM-02223
ICS: 33.020
Key words: PDH, NE, model
Transmission and Multiplexing (TM);
Plesiochronous Digital Hierarchy (PDH) information model
for the Network Element (NE) view
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
X.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: secretariat@etsi.fr
Tel.: +33 4 92 94 42 00 - Fax: +33 4 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 1996. All rights reserved.

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ETS 300 371: October 1996
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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ETS 300 371: October 1996
Contents
Foreword .5
1 Scope .7
2 Normative references.7
3 Abbreviations.9
4 Registration supporting Abstract Syntax Notation No. 1 (ASN.1) for ETS 300 371 .10
5 PDH fragment .10
5.1 Object classes definitions .10
5.1.1 Electrical PDH physical interface .10
5.1.2 European PDH Alarm Indication Signal (AIS) trail termination point.11
5.1.3 European PDH connection termination point .11
5.1.4 European PDH trail termination point.12
5.1.5 European PDH TTP's for transport SDH VC's and ATM cells .13
5.1.6 140 Mbit/s object classes .13
5.1.7 34 Mbit/s object classes .15
5.1.8 8 Mbit/s object classes .17
5.1.9 2 Mbit/s object classes .18
5.1.10 64 kbit/s object classes .19
5.2 Attributes definitions.19
5.3 Name bindings definitions.20
5.4 ASN.1 definitions .24
History.31

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ETS 300 371: October 1996
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 Plesiochronous
Digital Hierarchy (PDH) multiplexing structure.
Transposition dates
Date of adoption of this ETS: 6 September 1996
Date of latest announcement of this ETS (doa): 31 January 1997
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 31 July 1997
Date of withdrawal of any conflicting National Standard (dow): 31 July 1997

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ETS 300 371: October 1996
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ETS 300 371: October 1996
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 equipment
which use the Plesiochronous Digital Hierarchy (PDH).
This ETS defines:
- the information model for network elements using PDH multiplexing, including PDH interfaces of
Synchronous Digital Hierarchy (SDH) network elements.
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 in this ETS (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 element
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 or 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 apply.
[1] ETS 300 337 (1995): "Transmission and Multiplexing (TM); Generic frame
structures for the transport of various signals (including Asynchronous Transfer
Mode (ATM) cells and Synchronous Digital Hierarchy (SDH) elements) at the
CCITT Recommendation G.702 hierarchical rates of 2 048 kbit/s, 34 368 kbit/s
and 139 264 kbit/s".
[2] ITU-T Recommendation G.702 (1988): "Digital hierarchy bit rates".
[3] ITU-T Recommendation M.3100 (1992): "Generic network information model".
[4] ITU-T Recommendation X.721 (1991): "Information technology - Open Systems
Interconnection - Structure of management information: Definition of
management information".
[5] ITU-T Recommendation G.707 (1993): "Synchronous Digital Hierarchy bit
rates".
[6] ITU-T Recommendation G.708 (1993): "Network-Node Interface for the
synchronous digital hierarchy".
[7] ITU-T Recommendation G.709 (1993): " Synchronous Multiplexing Structure".
[8] ITU-T Recommendation M.3010: "Principles for a telecommunication
management network".
[9] ITU-T Recommendation G.783 (1993): "Characteristics of Synchronous Digital
Hierarchy (SDH) equipment functional blocks".

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ETS 300 371: October 1996
[10] ITU-T Recommendation G.784 (1993): "Synchronous Digital Hierarchy (SDH)
Management".
[11] ITU-T Recommendation X.722 (1992): "Information technology - Open Systems
Interconnection - Structure of Management Information: Guidelines for the
definition of managed objects".
[12] ITU-T Recommendation X.208 (1990): "Specification of Abstract Syntax
Notation One (ASN.1)".
[13] ITU-T Recommendation X.720 (1992): "Information technology - Open Systems
Interconnection - Structure of management information: Management
information model".
[14] ITU-T Recommendation G.774 (1992): "SDH Management Information Model
for the Network Element View".
[15] ITU-T Recommendation Q.822 (1993): "Stage 1, stage 2 and stage 3
description for the Q3 interface - Performance management".
[16] ITU-T Recommendation X.701 (1992): "Information technology - Open Systems
Interconnection - Systems management overview".
[17] ITU-T Recommendation X.710 (1991): "Common management information
service definition for CCITT applications".
[18] ITU-T Recommendation X.711 (1991): "Common management information
protocol specification for CCITT applications".
[19] ITU-T Recommendation X.731 (1992): "Information technology - Open Systems
Interconnection - Systems Management: State management function".
[20] ITU-T Recommendation X.730 (1992): "Information technology - Open Systems
Interconnection - Systems Management: Object management function".
[21] ITU-T Recommendation X.733 (1992): "Information technology - Open Systems
Interconnection - Systems Management: Alarm reporting function".
[22] ITU-T Recommendation X.734 (1992): "Information technology - Open Systems
Interconnection - Systems  Management: Event report management function".
[23] ITU-T Recommendation X.735 (1992): "Information technology - Open Systems
Interconnection - Systems Management: Log control function".
[24] ITU-T Recommendations G.803: "Architectures of transport networks based on
the synchronous digital hierarchy (SDH)".
[25] ITU-T Recommendation G.773 (1993): "Protocol suites for Q-interfaces for
management of transmission systems".
[26] ITU-T Recommendation Q.811 (1993): "Lower layer protocol profiles for the Q3
interface".
[27] ITU-T Recommendation Q.812 (1993): "Upper layer protocol profiles for the Q3
interface".
[28] ITU-T Recommendation M.60 (1993): "Maintenance terminology and
definitions".
[29] ETS 300 304 (1994): "Transmission and Multiplexing (TM); Synchronous Digital
Hierarchy (SDH) information model for the Network Element (NE) view".

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ETS 300 371: October 1996
[30] ETS 300 371 Edition 1 (1994): "Transmission and Multiplexing (TM);
Plesiochronous Digital Hierarchy (PDH) information model for the Network
Element (NE) view".
[31] ITU-T Recommendation G.831 (1993): "Management capabilities of transport
networks based on the synchronous digital hierarchy (SDH)".
3 Abbreviations
For the purposes of this ETS, the following symbols and abbreviations apply.
AIS Alarm Indication Signal
AP Access Point
ASN.1 Abstract Syntax Notation No. 1
ATM Asynchronous Transfer Mode
CMIP Common Management Information Protocol
CMIS Common Management Information Service
CP Connection Point
CTP Connection Termination Point
EBER Excessive Bit Error Ratio
FERF Far End Receive Failure
LOF Loss Of Frame
LOS Loss Of Signal
NE Network Element
OS Operation System
OSI Open System Interconnection
PDH Plesiochronous Digital Hierarchy
Pkg Package
PPA Plesiochronous Physical Adaptation
PPI Plesiochronous Physical Interface
PPT Plesiochronous Physical Termination
RAI Remote Alarm Indication
RDN Relative Distinguished Name
SDH Synchronous Digital Hierarchy
Snk Sink
Src Source
STM-N Synchronous Transport Module N
TMN Telecommunications Management Network
TP Termination Point
TTP Trail Termination Point
VC-n Virtual Container n
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ETS 300 371: October 1996
4 Registration supporting Abstract Syntax Notation No. 1 (ASN.1) for
ETS 300 371
ASN1TypeModule {ccitt(0) identified-organization(4) etsi(0) ets371(371) informationModel(0)
asn1Module(2) asn1TypeModule(0)}
DEFINITIONS IMPLICIT TAGS ::= BEGIN
-- EXPORT Everything
prETS300371 OBJECT IDENTIFIER ::= {ccitt(0) identified-organization(4) etsi(0) ets371(371)
informationModel(0)}
etsObjectClass OBJECT IDENTIFIER ::= {prETS300371 managedObjectClass(3)}
etsPackage OBJECT IDENTIFIER ::= {prETS300371 package(4)}
etsNameBinding OBJECT IDENTIFIER ::= {prETS300371 nameBinding(6)}
etsAttribute OBJECT IDENTIFIER ::= {prETS300371 attribute(7)}
etsAction OBJECT IDENTIFIER ::= {prETS300371 action(9)}
etsNotification OBJECT IDENTIFIER ::= {prETS300371 notification(10)}
END
5 PDH fragment
This clause provides managed objects required to model PDH interfaces.
5.1 Object classes definitions
5.1.1 Electrical PDH physical interface
This subclause describes the object classes required to model the PDH physical interface.
NOTE: Whether these require attributes to model more features (e.g. PDH level, line code,
etc.) is for further study.
pPITTPBidirectional MANAGED OBJECT CLASS
DERIVED FROM "Recommendation M.3100: 1992":trailTerminationPointBidirectional,
pPITTPSink,
pPITTPSource;
REGISTERED AS { etsObjectClass 1};
pPITTPSink MANAGED OBJECT CLASS
DERIVED FROM "Recommendation M.3100:1992":trailTerminationPointSink;
CHARACTERIZED BY
"Recommendation X.721:1991":administrativeStatesPackage,
"Recommendation M.3100:1992":createDeleteNotificationsPackage,
"Recommendation M.3100:1992":stateChangeNotificationPackage,
"Recommendation M.3100:1992":tmnCommunicationsAlarmInformationPackage,
"Recommendation M.3100:1992":userLabelPackage,
pPITTPSinkPkg PACKAGE
BEHAVIOUR
pPITTPSinkBehaviourPkg BEHAVIOUR
DEFINED AS
"This managed object class represents the point where the incoming interface signal
is converted into an internal logic level and the timing is recovered from the line
signal. The upStream connectivity pointer is NULL for an instance of this class.
A communicationsAlarm notification shall be issued if a Loss of Signal (LOS) is
detected. The probableCause parameter of the notification shall indicate LOS.
The operational state is disabled if a LOS is detected";;
ATTRIBUTES
pPITTPId GET;;;
REGISTERED AS { etsObjectClass 2 };
pPITTPSource MANAGED OBJECT CLASS
DERIVED FROM "Recommendation M.3100:1992":trailTerminationPointSource;
CHARACTERIZED BY
"Recommendation M.3100:1992":createDeleteNotificationsPackage,
"Recommendation M.3100:1992":userLabelPackage,
pPITTPSourcePkg PACKAGE
BEHAVIOUR
pPITTPSourceBehaviourPkg BEHAVIOUR
DEFINED AS
"This managed object class represents the point where the internal logic level and
the timing is converted into a line signal. The downStream connectivity pointer is NULL
for an instance of this class.";;
ATTRIBUTES
pPITTPId GET;;;
REGISTERED AS { etsObjectClass 3 };

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ETS 300 371: October 1996
5.1.2 European PDH Alarm Indication Signal (AIS) trail termination point
This generic object class represents a particular case of termination point used in a managed element
where no connectivity at respective level is provided. Instances of this object class are used when, in one
layer, no flexibility is provided, but a direct adaptation to client is present.
The sink object class includes the AIS monitoring function of a respective Connection Termination Point
(CTP) which is not instantiated where no connectivity on the respective level is provided. A
communicationsAlarm notification shall be issued if an AIS is detected. The probableCause parameter of
the notification shall indicate AIS.
Object classes inherited from this class are labelled according to the European PDH hierarchy (exTP,
where x = 0 stands for 64 kbit/s, x = 1 for 2 Mbit/s, x = 2 for 8 Mbit/s, x = 3 for 34 Mbit/s and x = 4 for
140 Mbit/s.)
NOTE: The possibility of adding conditional packages (present if the equipment supports the
features) in order to model the capability to reveal Far End Receive Failure (FERF)
and Excessive Bit Error Ratio (EBER) is for further study.
ePDHATTPSink MANAGED OBJECT CLASS
DERIVED FROM ePDHTTPSink;
CHARACTERIZED BY
ePDHTPSinkPkg PACKAGE
BEHAVIOUR
ePDHATTPSinkBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class includes the AIS monitoring function of a respective CTP which is
not instantiated where no connectivity on the respective level is provided.
A communicationsAlarm notification shall be issued if an AIS is detected. The
probableCause parameter of the notification shall indicate AIS.
An instance of this object class is used when, in one layer, no flexibility is
provided,
but a direct adaptation to client is present.
The upStream connectivity pointer attribute value of an instance of this object class
is equal to NULL.";;;;
REGISTERED AS {etsObjectClass 4};
ePDHATTPSource MANAGED OBJECT CLASS
DERIVED FROM ePDHTTPSource;
CHARACTERIZED BY
ePDHTPSourcePkg PACKAGE
BEHAVIOUR
ePDHATTPSourceBehaviourPkg BEHAVIOUR
DEFINED AS
"The downStream connectivity pointer attribute value of an instance of this object
class is equal to NULL.";;;;
REGISTERED AS {etsObjectClass 5};
ePDHATTPBidirectional MANAGED OBJECT CLASS
DERIVED FROM
ePDHTTPBidirectional,
ePDHATTPSink,
ePDHATTPSource;
REGISTERED AS {etsObjectClass 6};
5.1.3 European PDH connection termination point
This subclause describes an object class (sink, source or bidirectional) which represents the model for a
generic PDH connection termination point (2, 8, 34 and 140 Mbit/s).
Object classes inherited from this class are labelled according to the European PDH hierarchy (exTP,
where x = 0 stands for 64 kbit/s, x = 1 for 2 Mbit/s, x = 2 for 8 Mbit/s, x = 3 for 34 Mbit/s and x = 4 for
140 Mbit/s).
ePDHCTPSink MANAGED OBJECT CLASS
DERIVED FROM "Recommendation M.3100:1992":connectionTerminationPointSink;
CHARACTERIZED BY
"Recommendation M.3100:1992":createDeleteNotificationsPackage,
"Recommendation M.3100:1992":operationalStatePackage,
"Recommendation M.3100:1992":stateChangeNotificationPackage,

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ETS 300 371: October 1996
"Recommendation M.3100:1992":tmnCommunicationsAlarmInformationPkg,
ePDHCTPSinkPkg PACKAGE
BEHAVIOUR
ePDHCTPSinkBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class represents the termination of a PDH hierarchy connection. A
communicationsAlarm notification shall be issued if an AIS is detected. The
probableCause parameter of the notification shall indicate AIS. An instance of this
object class shall be used when, in one layer, flexibility is available or when there
is
no adaptation to client.";;
ATTRIBUTES
ePDHCTPId GET;;;
REGISTERED AS {etsObjectClass 7};
ePDHCTPSource MANAGED OBJECT CLASS
DERIVED FROM "Recommendation M.3100:1992":connectionTerminationPointSource;
CHARACTERIZED BY
"Recommendation M.3100:1992":createDeleteNotificationsPackage,
ePDHCTPSourcePkg PACKAGE
BEHAVIOUR
ePDHCTPSourceBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class originates a PDH hierarchy connection.";;
ATTRIBUTES
ePDHCTPId GET;;;
REGISTERED AS {etsObjectClass 8};
ePDHCTPBidirectional MANAGED OBJECT CLASS
DERIVED FROM
"Recommendation M.3100:1992":connectionTerminationPointBidirectional,
ePDHCTPSink,
ePDHCTPSource;
REGISTERED AS {etsObjectClass 9};
5.1.4 European PDH trail termination point
This subclause describes an object class (sink, source or bidirectional) which represents the model for a
generic PDH trail termination point (2, 8, 34 and 140 Mbit/s).
Object classes inherited from this class are labelled according to the European PDH hierarchy (exTP,
where x = 0 stands for 64 kbit/s, x = 1 for 2 Mbit/s, x = 2 for 8 Mbit/s, x = 3 for 34 Mbit/s and x = 4 for
140 Mbit/s).
ePDHTTPSink MANAGED OBJECT CLASS
DERIVED FROM "Recommendation M.3100:1992":trailTerminationPointSink;
CHARACTERIZED BY
"Recommendation X.721: 1991":administrativeStatePackage,
"Recommendation M.3100:1992":operationalStatePackage,
"Recommendation M.3100:1992":createDeleteNotificationsPackage,
"Recommendation M.3100:1992":stateChangeNotificationPackage,
"Recommendation M.3100:1992":tmnCommunicationsAlarmInformationPkg,
ePDHTTPSinkPkg PACKAGE
BEHAVIOUR
ePDHTTPSinkBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class represents the termination of a PDH trail. A communicationsAlarm
notification shall be issued if a Loss Of Frame (LOF) is detected. The probableCause
parameter of the notification shall indicate LOF.
The operationalState is disabled when a LOF is detected.";;
ATTRIBUTES
ePDHTTPId GET;;;
REGISTERED AS {etsObjectClass 10};
ePDHTTPSource MANAGED OBJECT CLASS
DERIVED FROM "Recommendation M.3100:1992":trailTerminationPointSource;
CHARACTERIZED BY
"Recommendation M.3100:1992":createDeleteNotificationsPackage,
ePDHTTPSourcePkg PACKAGE
BEHAVIOUR
ePDHTTPSourceBehaviourPkg BEHAVIOUR
DEFINED AS
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ETS 300 371: October 1996
"This object class originates a PDH hierarchy trail.";;
ATTRIBUTES
ePDHTTPId GET;;;
REGISTERED AS {etsObjectClass 11};
ePDHTTPBidirectional MANAGED OBJECT CLASS
DERIVED FROM
"Recommendation M.3100:1992":trailTerminationPointBidirectional,
ePDHTTPSink,
ePDHTTPSource;
CHARACTERIZED BY
ePDHTTPBidirectionalPkg PACKAGE
BEHAVIOUR
ePDHTTPBidirectionalBehaviourPkg BEHAVIOUR
DEFINED AS
"A communicationsAlarm notification shall be issued if a Remote Alarm Indication
(RAI) is detected. The probableCause parameter of the notification shall indicate
RAI.
Detection of a RAI has no effect on the operationalState.";;;;
REGISTERED AS {etsObjectClass 12};
5.1.5 European PDH TTP's for transport SDH VC's and ATM cells
This generic object class models the PDH trail used to transport SDH VC's and ATM cells and the label Int
stands for interworking.
ePDHIntTTPSink MANAGED OBJECT CLASS
DERIVED FROM      ePDHATTPSink;
CHARACTERIZED BY
ePDHIntTTPSinkPkg PACKAGE
BEHAVIOUR
ePDHIntTTPSinkBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class terminates a ETS 300 337 [1] trail transporting ATM cells or SDH
elements. A communicationsAlarm notification shall be issued if the trail trace
received (TR byte) does not match the trail trace expected. The probableCause
parameter of the notification shall indicate trail trace mismatch.";;
ATTRIBUTES
trTrailTraceExpected        GET-REPLACE,
trTrailTraceReceived        GET;;;
REGISTERED AS { etsObjectClass 13 };
ePDHIntTTPSource MANAGED OBJECT CLASS
DERIVED FROM    ePDHATTPSource;
CHARACTERIZED BY
ePDHIntTTPSourcePkg PACKAGE
BEHAVIOUR
ePDHIntTTPSourceBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class originates a ETS 300 337 [1] trail transporting ATM cells or SDH
elements.";;
ATTRIBUTES
trTrailTraceSend            GET-REPLACE;;;
REGISTERED AS { etsObjectClass 14 };
ePDHIntTTPBidirectional MANAGED OBJECT CLASS
DERIVED FROM ePDHATTPBidirectional,
ePDHIntTTPSink,
ePDHIntTTPSource;
REGISTERED AS { etsObjectClass 15};
5.1.6 140 Mbit/s object classes
e4ATTPSink MANAGED OBJECT CLASS
DERIVED FROM ePDHATTPSink;
CHARACTERIZED BY
e4ATTPSinkPkg PACKAGE
BEHAVIOUR
e4ATTPSinkBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class terminates a CCITT Recommendation G.702 [2] 140 Mbit/s
trail.";;;;
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ETS 300 371: October 1996
REGISTERED AS {etsObjectClass 16};
e4ATTPSource MANAGED OBJECT CLASS
DERIVED FROM ePDHATTPSource;
CHARACTERIZED BY
e4ATTPSourcePkg PACKAGE
BEHAVIOUR
e4ATTPSourceBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class originates a CCITT Recommendation G.702 [2] 140 Mbit/s trail.";;;;
REGISTERED AS {etsObjectClass 17};
e4ATTPBidirectional MANAGED OBJECT CLASS
DERIVED FROM
ePDHATTPBidirectional,
e4ATTPSink,
e4ATTPSource;
REGISTERED AS {etsObjectClass 18};
e4CTPSink MANAGED OBJECT CLASS
DERIVED FROM ePDHCTPSink;
CHARACTERIZED BY
e4CTPSinkPkg PACKAGE
BEHAVIOUR
e4CTPSinkBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class terminates a CCITT Recommendation G.702 [2] 140 Mbit/s
connection.";;;;
REGISTERED AS {etsObjectClass 19};
e4CTPSource MANAGED OBJECT CLASS
DERIVED FROM ePDHCTPSource;
CHARACTERIZED BY
e4CTPSourcePkg PACKAGE
BEHAVIOUR
e4CTPSourceBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class originates a CCITT Recommendation G.702 [2] 140 Mbit/s
connection.";;;;
REGISTERED AS {etsObjectClass 20};
e4CTPBidirectional MANAGED OBJECT CLASS
DERIVED FROM
ePDHCTPBidirectional,
e4CTPSink,
e4CTPSource;
REGISTERED AS {etsObjectClass 21};
e4TTPSink MANAGED OBJECT CLASS
DERIVED FROM ePDHTTPSink;
CHARACTERIZED BY
e4TTPSinkPkg PACKAGE
BEHAVIOUR
e4TTPSinkBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class terminates a CCITT Recommendation G.702 [2] 140 Mbit/s
trail.";;;;
REGISTERED AS {etsObjectClass 22};
e4TTPSource MANAGED OBJECT CLASS
DERIVED FROM ePDHTTPSource;
CHARACTERIZED BY
e4TTPSourcePkg PACKAGE
BEHAVIOUR
e4TTPSourceBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class originates a CCITT Recommendation G.702 [2] 140 Mbit/s trail.";;;;
REGISTERED AS {etsObjectClass 23};
e4TTPBidirectional MANAGED OBJECT CLASS
DERIVED FROM
ePDHTTPBidirectional,
e4TTPSink,
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ETS 300 371: October 1996
e4TTPSource;
REGISTERED AS {etsObjectClass 24};
e4IntTTPSink MANAGED OBJECT CLASS
DERIVED FROM      ePDHIntTTPSink;
CHARACTERIZED BY
e4IntTTPSinkPkg PACKAGE
BEHAVIOUR
e4IntTTPSinkBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class terminates a ETS 300 337 [1] 140 Mbit/s trail transporting ATM
cells or SDH elements.";;;;
REGISTERED AS { etsObjectClass 25};
e4IntTTPSource MANAGED OBJECT CLASS
DERIVED FROM    ePDHIntTTPSource;
CHARACTERIZED BY
e4IntTTPSourcePkg PACKAGE
BEHAVIOUR
e4IntTTPSourceBehaviourPkg BEHAVIOUR
DEFINED AS
"This object class originates a ETS 300 337 [1] 140 Mbit/s trail transporting ATM
cells or SDH elements.";;;;
...