SIST ETS 300 147 E2:2003
(Main)Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); Multiplexing structure
General Information
- Abstract
Enhancements to the SDH interface standard (prETS 300 147) to cover refinement of overhead byte definitions, new payload mappings (such as ATM cells & DQDB slots), sub-STM-1 radio relay digital sections
- 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 E2:2003 is a Slovenian standard that aligns with the European ETSI standard ETS 300 147 (Edition 2). The document focuses on the Transmission and Multiplexing (TM) of Synchronous Digital Hierarchy (SDH), specifying the SDH multiplexing structure and its associated overhead byte definitions and payload mappings. This standard provides key enhancements to SDH, supporting advanced requirements like additional payload types (e.g., ATM cells and DQDB slots) and covering scenarios for sub-STM-1 radio relay digital sections.
The standard aims to enable inter-vendor and inter-operator compatibility in SDH-based transmission networks, basing its provisions on international ITU-T Recommendations such as G.707, G.708, and G.709. By establishing clear multiplexing hierarchies, overhead allocations, and conformance requirements, it supports robust, high-performance digital transport essential for modern telecommunications infrastructure.
Key Topics
- SDH Hierarchical Bit Rates: The standard establishes compliant SDH rates as specified in ITU-T G.707, ensuring interoperability in transport networks.
- Multiplexing Structures: Specifies the complete structure for multiplexing, including the construction and mapping of administrative and tributary units.
- Improved Overhead Byte Definitions: Provides refinements and clarifications for section overhead (SOH) bytes, essential for management, error correction, and maintenance signaling.
- Advanced Payload Mappings:
- Support for mapping Asynchronous Transfer Mode (ATM) cells
- Accommodation of Distributed Queue Dual Bus (DQDB) slots
- Conformance Testing: Outlines principles for verifying that equipment correctly implements the required multiplexing and overhead functions.
- Alignment with International Standards: Incorporates ITU-T recommendations and clarifies their mandatory (normative) and optional (not relevant) aspects for European application.
Applications
The SIST ETS 300 147 E2:2003 standard is applied in a variety of telecommunications network scenarios:
- SDH Transmission Equipment: Ensures that SDH multiplexers, cross-connects, and network elements from different vendors can interoperate seamlessly.
- Carrier and Transport Networks: Used by service providers for reliable, scalable transmission of voice, data, and multimedia signals across national and international networks.
- Integration with Legacy and Next-Generation Services:
- Supports transport of traditional PDH (Plesiochronous Digital Hierarchy) tributaries.
- Enables efficient backhaul for packet-oriented payloads like ATM and newer services requiring non-standard bit rates.
- Radio Relay and Sub-STM-1 Applications: The enhancements in overhead definitions and mapping flexibility allow for use in specialized digital transmission links such as microwave radio relays below STM-1 rates.
- Network Management and Maintenance: The overhead and multiplexing structures facilitate in-service performance monitoring, error detection, and rapid fault isolation, helping reduce downtime and operational costs.
Related Standards
This SDH multiplexing standard references and complements several important international standards and recommendations:
- ITU-T Recommendation G.707: Synchronous digital hierarchy bit rates
- ITU-T Recommendation G.708: Network node interface for SDH
- ITU-T Recommendation G.709: Synchronous multiplexing structure
- CCITT Recommendation G.702: Digital hierarchy bit rates
- CCITT Recommendation G.704: Synchronous frame structures at primary and secondary levels
- CCITT Recommendation G.811: Timing requirements for primary reference clocks
Adhering to SIST ETS 300 147 E2:2003 ensures a high level of compatibility and future-proofing for evolving transmission requirements in Europe and beyond, making it essential for network design, deployment, and equipment certification in SDH environments.
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Frequently Asked Questions
SIST ETS 300 147 E2:2003 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: Enhancements to the SDH interface standard (prETS 300 147) to cover refinement of overhead byte definitions, new payload mappings (such as ATM cells & DQDB slots), sub-STM-1 radio relay digital sections
Enhancements to the SDH interface standard (prETS 300 147) to cover refinement of overhead byte definitions, new payload mappings (such as ATM cells & DQDB slots), sub-STM-1 radio relay digital sections
SIST ETS 300 147 E2:2003 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 E2:2003 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)
SLOVENSKI STANDARD
01-december-2003
Prenos in multipleksiranje (TM) – Sinhrona digitalna hierarhija (SDH) – Struktura
multipleksiranja
Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); Multiplexing
structure
Ta slovenski standard je istoveten z: ETS 300 147 Edition 2
ICS:
33.040.20 Prenosni sistem Transmission systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN ETS 300 147
TELECOMMUNICATION January 1995
STANDARD Second Edition
Source: ETSI TC-TM Reference: RE/TM-03013
ICS: 33.080
Transmission, multiplexing, SDH
Key words:
Transmission and Multiplexing (TM);
Synchronous Digital Hierarchy (SDH)
Multiplexing structure
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 1995. All rights reserved.
New presentation - see History box
Page 2
ETS 300 147: January 1995
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.
Page 3
ETS 300 147: January 1995
Contents
Foreword .5
1 Scope .7
2 Normative references.7
3 Definitions and abbreviations .7
3.1 Definitions .7
3.2 Abbreviations .7
4 Hierarchical bit rates.7
5 Basic multiplexing structure .8
6 Multiplexing method and mapping.8
7 Section Overhead (SOH) bytes.11
8 Conformance testing .11
Annex A (informative): Bibliography.13
History.14
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ETS 300 147: January 1995
Blank page
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ETS 300 147: January 1995
Foreword
This European Telecommunication Standard (ETS) has been produced by the Transmission and
Multiplexing (TM) Technical Committee of the European Telecommunications Standards Institute (ETSI).
This second edition of ETS 300 147 (1995) supersedes the first edition of ETS 300 147 (1992).
This ETS provides inter-vendor and inter-operator compatibility and is based on ITU-T Recommendations
G.707 [1], G.708 [2] and G.709 [3].
Transposition dates
Date of latest announcement of this ETS (doa): 30 April 1995
Date of latest publication of new National Standard 31 October 1995
or endorsement of this ETS (dop/e):
Date of withdrawal of any conflicting National Standard (dow): 31 October 1995
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ETS 300 147: January 1995
Blank page
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ETS 300 147: January 1995
1 Scope
This European Telecommunication Standard (ETS) specifies the hierarchical bit rates, the multiplexing
structure and the mapping schemes to be used in the transmission networks based on Synchronous
Digital Hierarchy (SDH).
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] ITU-T Recommendation G.707 (1993): "Synchronous digital hierarchy bit rates".
[2] ITU-T Recommendation G.708 (1993): "Network node interface for the
synchronous digital hierarchy".
[3] ITU-T Recommendation G.709 (1993): "Synchronous multiplexing structure".
3 Definitions and abbreviations
3.1 Definitions
For the purposes of this ETS, the definitions given in ITU-T Recommendation G.708 [2] apply.
3.2 Abbreviations
For the purposes of this ETS the following abbreviations apply.
ATM Asynchronous Transfer Mode
AU-n Administrative Unit-n
AUG Administrative Unit Group
N Normative
N/R Not Relevant
POH Path Overhead
SDH Synchronous Digital Hierarchy
SOH Section Overhead
STM-N Synchronous Transport Module-N
TU-n Tributary Unit-n
TUG(-n) Tributary Unit Group (-n)
VC-n Virtual Container-n
4 Hierarchical bit rates
The hierarchical bit rates used in the SDH transmission network shall be according to ITU-T
Recommendation G.707 [1].
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ETS 300 147: January 1995
5 Basic multiplexing structure
The basic SDH multiplexing structure shall be as described in figure 1.
NOTE 1: This SDH multiplexing structure is a subset of the SDH multiplexing structure defined
in ITU-T Recommendation G.709 [3].
NOTE 2: The order of transmission of information in all diagrams in ITU-T Recommendation
G.709 [3] is first from 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.
6 Multiplexing method and mapping
The multiplexing method and mapping are given in ITU-T Recommendation G.709
...