SIST ETS 300 147 E3:2003
(Main)Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); Multiplexing structure
General Information
- Abstract
This new edition of ETS 300 147 will take account if changes in the IT as a result of the publication of ITU-T Recommendation G.707 (3/96) Network node interface for the synchronous digital hierarchy which replaces former ITU-T Recommendations G.707, G.708 and G.709.
- Status
- Published
- Publication Date
- 30-Nov-2003
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Dec-2003
- Due Date
- 01-Dec-2003
- Completion Date
- 01-Dec-2003
Overview
SIST ETS 300 147 E3:2003 is a European telecommunication standard developed by the Slovenian Institute for Standardization (SIST), harmonizing with ETSI and key ITU-T recommendations. It defines the multiplexing structure for the Synchronous Digital Hierarchy (SDH), a fundamental technology in modern digital transmission networks. The standard aligns closely with ITU-T Recommendation G.707 (1996), incorporating updates that enhance network interconnection and interoperability, while superseding earlier ITU-T Recommendations G.707, G.708, and G.709. By setting out clear frameworks for hierarchical bit rates, mapping schemes, and synchronization methods, this standard enables efficient, flexible, and scalable digital transmission across diverse telecommunication infrastructures.
Key Topics
- Synchronous Digital Hierarchy (SDH): Describes the foundational digital hierarchy for high-speed telecommunications transmission, focusing on standardized bit rates and structures.
- Multiplexing Structure: Specifies how lower-level signals are combined, mapped, and aligned into higher-order SDH frames, supporting multiple payloads within a single network interface.
- Hierarchical Bit Rates: Defines the SDH standard rates and how tributary signals (e.g., 2,048 kbit/s, 34,368 kbit/s) are accommodated within the broader SDH framework.
- Pointers and Overhead Structure: Outlines the use of pointers to provide dynamic alignment of payloads within synchronous frames and details section and path overhead bytes for management, synchronization, and error indication.
- Mapping and Interworking: Details the mapping of various input signals, including those based on ITU-T Recommendation G.702, into SDH virtual containers (VC-n), enabling flexible service support and backward compatibility.
- Conformance Testing: Focuses on principles to verify SDH multiplexing compliance within network elements, supporting robust network implementation and interoperability.
Applications
The multiplexing structure defined in SIST ETS 300 147 E3:2003 is integral to modern optical transport networks and high-capacity digital transmission systems commonly deployed by telecommunications service providers and carriers. Key applications include:
- Backbone Network Infrastructure: SDH's standardized multiplexing enables reliable long-haul and metro network transmission across vendor and operator equipment, improving service delivery.
- Carrier Interconnection: Guarantees seamless network node integration, crucial for handover points in multi-operator or international environments.
- Service Aggregation: Supports various payload types (voice, data, ATM, legacy TDM) by mapping multiple client signals into high-speed SDH containers, facilitating network convergence.
- Network Management: Enhanced monitoring, fault localization, and protection switching are achieved via comprehensive overhead structures defined in the standard.
- Future-Proof Scalability: The modular nature of SDH multiplexing allows for network evolution, supporting virtual concatenation and adaptation to new transmission needs.
Related Standards
The guidelines in SIST ETS 300 147 E3:2003 are rooted in, and closely related to, several international standards that collectively ensure robust digital transmission networks:
- ITU-T Recommendation G.707: Network node interface for the synchronous digital hierarchy - the principal reference for SDH network interfaces.
- ITU-T Recommendation G.702: Digital hierarchy bit rates - provides the raw bit rates used for mapping element signals within SDH.
- ITU-T Recommendation G.704: Synchronous frame structures at various hierarchical levels - offers additional synchronization and framing specifications.
- ITU-T Recommendation G.811: Specifies timing requirements for networks using primary reference clocks, essential for plesiochronous and synchronous network operation.
- ITU-T Recommendation G.831: Describes management functions for SDH-based transport networks, supporting network reliability and service assurance.
With these specifications, SIST ETS 300 147 E3:2003 ensures that modern transmission and multiplexing practices are consistent, interoperable, and aligned with worldwide telecommunication standards. This guarantees network efficiency, service quality, and operational flexibility in digital communications systems.
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Frequently Asked Questions
SIST ETS 300 147 E3:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); Multiplexing structure". This standard covers: This new edition of ETS 300 147 will take account if changes in the IT as a result of the publication of ITU-T Recommendation G.707 (3/96) Network node interface for the synchronous digital hierarchy which replaces former ITU-T Recommendations G.707, G.708 and G.709.
This new edition of ETS 300 147 will take account if changes in the IT as a result of the publication of ITU-T Recommendation G.707 (3/96) Network node interface for the synchronous digital hierarchy which replaces former ITU-T Recommendations G.707, G.708 and G.709.
SIST ETS 300 147 E3:2003 is classified under the following ICS (International Classification for Standards) categories: 33.040.20 - Transmission systems. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST ETS 300 147 E3:2003 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Prenos in multipleksiranje (TM) – Sinhrona digitalna hierarhija (SDH) – Struktura multipleksiranjaTransmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); Multiplexing structure33.040.20Prenosni sistemTransmission systemsICS:Ta slovenski standard je istoveten z:ETS 300 147 Edition 3SIST ETS 300 147 E3:2003en01-december-2003SIST ETS 300 147 E3:2003SLOVENSKI
STANDARD
EUROPEANETS 300 147TELECOMMUNICATIONApril 1997STANDARDThird EditionSource: ETSI TC-TMReference: RE/TM-03045ICS:33.020Key words:Transmission, mux, SDHTransmission and Multiplexing (TM);Synchronous Digital Hierarchy (SDH);Multiplexing structureETSIEuropean Telecommunications Standards InstituteETSI SecretariatPostal address: F-06921 Sophia Antipolis CEDEX - FRANCEOffice address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCEX.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: secretariat@etsi.frTel.: +33 4 92 94 42 00 - Fax: +33 4 93 65 47 16Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and theforegoing restriction extend to reproduction in all media.© European Telecommunications Standards Institute 1997. All rights reserved.SIST ETS 300 147 E3:2003
Page 2ETS 300 147: April 1997Whilst 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.SIST ETS 300 147 E3:2003
Page 3ETS 300 147: April 1997ContentsForeword.51Scope.72Normative references.73Definitions, abbreviations and conventions.73.1Definitions.73.2Abbreviations.73.3Conventions.74Basic multiplexing principles.95Multiplexing method.106Pointers.117Overhead bytes description.128Mapping of tributaries into VC-n.139Conformance testing.14Annex A (informative):Bibliography.16History.17SIST ETS 300 147 E3:2003
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Page 5ETS 300 147: April 1997ForewordThis European Telecommunication Standard (ETS) has been produced by the Transmission andMultiplexing (TM) Technical Committee of the European Telecommunications Standards Institute (ETSI).This third edition of ETS 300 147 supersedes the second edition of ETS 300 147 (1995).This ETS provides inter-vendor and inter-operator compatibility and is based on ITU-T RecommendationG.707 [1].Transposition datesDate of adoption:7 March 1997Date of latest announcement of this ETS (doa):31 July 1997Date of latest publication of new National Standardor endorsement of this ETS (dop/e):31 January 1998Date of withdrawal of any conflicting National Standard (dow):31 January 1998SIST ETS 300 147 E3:2003
Page 6ETS 300 147: April 1997Blank pageSIST ETS 300 147 E3:2003
Page 7ETS 300 147: April 19971ScopeThis European Telecommunication Standard (ETS) specifies the hierarchical bit rates, the multiplexingstructure and the mapping schemes to be used in the transmission networks based on the SynchronousDigital Hierarchy (SDH).2Normative referencesThis ETS incorporates by dated and undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text and the publications are listedhereafter. For dated references, subsequent amendments to or revisions of any of these publicationsapply to this ETS only when incorporated in it by amendment or revision. For undated references the latestedition of the publication referred to applies.[1]ITU-T Recommendation G.707 (1996): "Network node interface for thesynchronous digital hierarchy".[2]ITU-T Recommendation G.702: "Digital hierarchy bit rates".3Definitions, abbreviations and conventions3.1DefinitionsFor the purposes of this ETS, the definitions given in section 3 of the ITU-T Recommendation G.707 [1]apply.3.2AbbreviationsFor the purposes of this ETS the following abbreviations apply:AISAlarm Indication SignalAPSAutomatic Protection SwitchingATMAsynchronous Transfer ModeAU-nAdministrative Unit-nAUGAdministrative Unit GroupBIP-XBit Interleaved Parity-XDCCData Communication ChannelMS-RDIMultiplex Section Remote Defect IndicationMS-REIMultiplex Section Remote Error IndicationNNINetwork Node InterfacePOHPath OverHeadSDHSynchronous Digital HierarchySOHSection OverHeadSTM(-N)Synchronous Transport Module (-N)TU-nTributary Unit-nTUG(-n)Tributary Unit Group (-n)VC-nVirtual Container-n3.3ConventionsThe order of transmission of information in all diagrams in the ITU-T Recommendation G.707 [1] is firstfrom left to right and then from top to bottom. Within each byte, the most significant bit is transmitted first.The most significant bit (bit 1) is illustrated at the left in all diagrams.SIST ETS 300 147 E3:2003
Page 8ETS 300 147: April 1997In clauses 4 to 8, the status of each requirement is given with reference to the ITU-T RecommendationG.707 [1] with the following conventions:Normative (N): Requirements with which it is necessary to comply in order to be able to claim compliancewith this ETS.Not Relevant (N/R): Section/subsection (of ITU-T Recommendation G.707 [1]) is not relevant to this ETS.This ETS is not an equipment specification. The fact that a requirement is defined as normative does notimply that the associated function has to be implemented but means that, if implemented, the functionshall be implemented in accordance with this requirement.SIST ETS 300 147 E3:2003
Page 9ETS 300 147: April 19974Basic multiplexing principlesThe basic multiplexing principles are as given in section 6 of ITU-T Recommendation G.707 [1] togetherwith the following statements and modifications:Table 1: Modifications and statements to section 6 of ITU-T Recommendation G.707 [1]SectionTitleRequirement6Basic Multiplexing Principle6.1Multiplexing StructureN/RThe basic SDH multiplexing structure shall be as described in figure 1. ThisSDH multiplexing structure is a subset of the SDH multiplexing structuredefined in the section 6.1 of ITU-T Recommendation G.707 [1].6.2Basic Frame Structure6.2.1Section overheadN6.2.2Administrative Unit PointersN6.2.3Administrative Units in the STM-NNIn this subsection, reference to AU-3 is N/R6.2.4Maintenance SignalsN6.2.4.1Alarm indication signals6.2.4.1.1MS-AISN6.2.4.1.2AU-TU-AISN6.2.4.1.3VC-AISN6.2.4.2Unequipped VC-n signal6.2.4.2.1Case of network supporting the transport of Tandem Connection SignalsN6.2.4.2.2Case of network not supporting the transport of Tandem Connection SignalsN/R6.2.4.3Supervisory-unequipped VC-n signal6.2.4.3.1Case of network supporting the transport of Tandem Co
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