SIST EN 300 462-6-1 V1.1.1:2003
(Main)Transmission and Multiplexing (TM); Generic requirements for synchronization networks; Part 6-1: Timing characteristics of primary reference clocks
General Information
- Abstract
Stadardises SDH timing distribution architectures, synchronisation network level jitter and wander requirements, slave clock timing specifications and primary reference clock specifications.
- 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 EN 300 462-6-1 V1.1.1:2003 sets essential requirements for Primary Reference Clocks (PRCs) within synchronization networks for digital transmission systems. Developed by the Slovenski inštitut za standardizacijo (SIST) in alignment with the European Telecommunications Standards Institute (ETSI), this standard addresses the critical timing characteristics required for reliable synchronization in Synchronous Digital Hierarchy (SDH) and other digital network infrastructures. Proper synchronization ensures the integrity and reliable operation of complex telecommunication networks, minimizing data loss and errors due to timing mismatches.
Key Topics
Synchronization in SDH Networks
- Establishes generic requirements for synchronization networks to ensure compatibility and performance across diverse digital platforms.
- Standardizes timing distribution architectures crucial for SDH systems.
Primary Reference Clock (PRC) Specifications
- Covers the timing accuracy and stability required for PRCs, which provide the reference signals for synchronizing all network elements.
- Specifies long-term frequency accuracy of PRCs to be maintained at 1 part in 10¹¹ or better, verified via Universal Co-ordinated Time (UTC).
Jitter and Wander Requirements
- Defines maximum levels for jitter and wander that must be controlled in synchronization networks to avoid signal degradation.
- References key performance measurements such as Maximum Time Interval Error (MTIE) and Time Deviation (TDEV) for evaluating PRC output stability.
Slave Clock Timing Specifications
- Links PRC requirements to those for slave clocks, ensuring end-to-end network synchronization performance.
External Interface Requirements
- Identifies standard output interfaces, including 2 048 kHz and 2 048 kbit/s connections as per ITU-T Recommendation G.703.
- Emphasizes additional jitter and wander limitations at these interface points.
Applications
The requirements set forth in SIST EN 300 462-6-1 V1.1.1:2003 are critical in the design, deployment, and operation of synchronized digital networks, particularly in applications such as:
Telecommunications Carrier Networks
- Ensures consistent timing for SDH and PDH (Plesiochronous Digital Hierarchy) network equipment, reducing risk of data corruption and service interruptions.
Network Equipment Manufacturing
- Provides manufacturers with clear criteria for PRC performance, facilitating the development of reliable synchronization modules for digital transmission systems.
Network Operations and Maintenance
- Equips network engineers with robust guidelines for monitoring, testing, and maintaining network synchronization, thereby supporting continuous service quality.
Integration with Global Timing References
- Enables network synchronization with international time standards (e.g., UTC), supporting cross-border and multinational communications.
Related Standards
SIST EN 300 462-6-1 V1.1.1:2003 forms part of a comprehensive suite of synchronization standards, including:
- EN 300 462-1-1: Definitions and terminology for synchronization networks
- EN 300 462-2-1: Synchronization network architecture
- EN 300 462-3-1: Control of jitter and wander within synchronization networks
- EN 300 462-4-1: Timing characteristics of slave clocks for SDH/PDH
- EN 300 462-5-1: Timing characteristics of slave clocks for SDH equipment
- EN 300 462-6-2: Implementation conformance statements for primary reference clocks
- ITU-T G.703: Physical/electrical characteristics of hierarchical digital interfaces
- Further guidance: ITU-T G.811, G.812, G.813 for timing and synchronization requirements
By adhering to SIST EN 300 462-6-1 V1.1.1:2003 and its related standards, telecommunication providers and equipment manufacturers can ensure network synchronization that meets stringent European and international requirements, supporting high-quality, reliable transmission services.
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Frequently Asked Questions
SIST EN 300 462-6-1 V1.1.1:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Transmission and Multiplexing (TM); Generic requirements for synchronization networks; Part 6-1: Timing characteristics of primary reference clocks". This standard covers: Stadardises SDH timing distribution architectures, synchronisation network level jitter and wander requirements, slave clock timing specifications and primary reference clock specifications.
Stadardises SDH timing distribution architectures, synchronisation network level jitter and wander requirements, slave clock timing specifications and primary reference clock specifications.
SIST EN 300 462-6-1 V1.1.1:2003 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 EN 300 462-6-1 V1.1.1:2003 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.Transmission and Multiplexing (TM); Generic requirements for synchronization networks; Part 6-1: Timing characteristics of primary reference clocks33.040.20Prenosni sistemTransmission systemsICS:Ta slovenski standard je istoveten z:EN 300 462-6-1 Version 1.1.1SIST EN 300 462-6-1 V1.1.1:2003en01-december-2003SIST EN 300 462-6-1 V1.1.1:2003SLOVENSKI
STANDARD
EN 300 462-6-1 V1.1.1 (1998-05)European Standard (Telecommunications series)Transmission and Multiplexing (TM);Generic requirements for synchronization networks;Part 6-1: Timing characteristics of primary reference clocksSIST EN 300 462-6-1 V1.1.1:2003
ETSIEN 300 462-6-1 V1.1.1 (1998-05)2ReferenceDE/TM-03017-6-1 (4a1i9ico.PDF)KeywordsSynchronization, transmission, SDHETSIPostal addressF-06921 Sophia Antipolis Cedex - FRANCEOffice address650 Route des Lucioles - Sophia AntipolisValbonne - FRANCETel.: +33 4 92 94 42 00
Fax: +33 4 93 65 47 16Siret N° 348 623 562 00017 - NAF 742 CAssociation à but non lucratif enregistrée à laSous-Préfecture de Grasse (06) N° 7803/88Internetsecretariat@etsi.frhttp://www.etsi.frhttp://www.etsi.orgCopyright NotificationNo 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 1998.All rights reserved.SIST EN 300 462-6-1 V1.1.1:2003
ETSIEN 300 462-6-1 V1.1.1 (1998-05)3ContentsIntellectual Property Rights.4Foreword.41Scope.62References.63Definitions and abbreviations.74Frequency accuracy.75Noise generation.75.1Wander.75.2Jitter.86Phase discontinuity.87Degradation of the performance of a PRC.98Interfaces.9Bibliography.10History.11SIST EN 300 462-6-1 V1.1.1:2003
ETSIEN 300 462-6-1 V1.1.1 (1998-05)4Intellectual Property RightsIPRs essential or potentially essential to the present document may have been declared to ETSI. The informationpertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be foundin ETR 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect ofETSI standards", which is available free of charge from the ETSI Secretariat. Latest updates are available on the ETSIWeb server (http://www.etsi.fr/ipr or http://www.etsi.org/ipr).Pursuant to the ETSI Interim IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. Noguarantee can be given as to the existence of other IPRs not referenced in ETR 314 (or the updates on the ETSI Webserver) which are, or may be, or may become, essential to the present document.ForewordThis European Standard (Telecommunications series) has been produced by the Transmission and Multiplexing (TM)Technical Committee.The present document has been produced to provide requirements for synchronization networks that are compatible withthe performance requirements of digital networks. It is one of a family of documents covering various aspects ofsynchronization networks:Part 1-1:"Definitions and terminology for synchronization networks";Part 2-1:"Synchronization network architecture";Part 3-1:"The control of jitter and wander within synchronization networks";Part 4-1:"Timing characteristics of slave clocks suitable for synchronization supply to Synchronous DigitalHierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) equipment";Part 4-2:"Timing characteristics of slave clocks suitable for synchronization supply to Synchronous DigitalHierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) equipment ImplementationConformance (ICS) Statement";Part 5-1:"Timing characteristics of slave clocks suitable for operation in Synchronous Digital Hierarchy(SDH) equipment";Part 6-1:"Timing characteristics of primary reference clocks";Part 6-2:"Timing characteristics of primary reference clocks Implementation Conformance (ICS)Statement";Part 7-1:"Timing characteristics of slave clocks suitable for synchronization supply to equipment in localnode applications".Parts 1-1, 2-1, 3-1 and 5-1 have previously been published as ETS 300 462 Parts 1, 2, 3 and 5, respectively.Additionally, parts 4-1 and 6-1 completed the Voting phase of the Two Step Approval procedure as ETS 300 462 Parts4 and 6, respectively.It was decided to prepare ICS proformas for several of the parts and this necessitated a re-numbering of the individualdocument parts. It was also decided to create a new part 7-1.This in turn led to a need to re-publish new versions of all six parts of the original ETS. At the same time, theopportunity was taken to convert the document type to EN.This has involved no technical change to any of the documents. However part 5-1 has been modified, due to editorialerrors which appeared in ETS 300 462-5.SIST EN 300 462-6-1 V1.1.1:2003
ETSIEN 300 462-6-1 V1.1.1 (1998-05)5National transposition datesDate of adoption of this EN:22 May 1998Date of latest announcement of this EN (doa):31 August 1998Date of latest publication of new National Standardor endorsement of this EN (dop/e):28 February 1998Date of withdrawal of any conflicting National Standard (dow):28 February 1998SIST EN 300 462-6-1 V1.1.1:2003
ETSIEN 300 462-6-1 V1.1.1 (1998-05)61ScopeThis European Standard (Telecommunications series) outlines requirements for Primary Reference Clocks (PRCs)suitable for synchronization supply to digital networks.NOTE:The requirements in the present document apply under environmental conditions according to one of theenvironmental classes defined in ETS 300 019 [1], unless stated otherwise. The manufacturer will need tospecify to which specific environmental class an equipment belongs.A typical PRC provides the reference signal for the timing or synchronization of other clocks within a network orsection of a network. The long-term accuracy of the PRC should be maintained at
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