ATIS 0300231 01-2003 Digital Subscriber Line (DSL) - Layer 1 In-Service Digital Transmission Performance Monitoring (Formerly ATIS T1 231 01).pdf
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1、 AMERICAN NATIONAL STANDARD FOR TELECOMMUNICATIONS ATIS-0300231.01.2003(R2007) Digital Subscriber Line (DSL) Layer 1 In-Service Digital Transmission Performance Monitoring ATIS is the leading technical planning and standards development organization committed to the rapid development of global, mark
2、et-driven standards for the information, entertainment and communications industry. More than 250 companies actively formulate standards in ATIS 20 Committees, covering issues including: IPTV, Service Oriented Networks, Home Networking, Energy Efficiency, IP-Based and Wireless Technologies, Quality
3、of Service, Billing and Operational Support. In addition, numerous Incubators, Focus and Exploratory Groups address emerging industry priorities including “Green”, IP Downloadable Security, Next Generation Carrier Interconnect, IPv6 and Convergence. ATIS is the North American Organizational Partner
4、for the 3rd Generation Partnership Project (3GPP), a member and major U.S. contributor to the International Telecommunication Union (ITU) Radio and Telecommunications Sectors, and a member of the Inter-American Telecommunication Commission (CITEL). For more information, please visit . AMERICAN NATIO
5、NAL STANDARD Approval of an American National Standard requires review by ANSI that the requirements for due process, consensus, and other criteria for approval have been met by the standards developer. Consensus is established when, in the judgment of the ANSI Board of Standards Review, substantial
6、 agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that a concerted effort be made towards their resolution. The us
7、e of American National Standards is completely voluntary; their existence does not in any respect preclude anyone, whether he has approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standards. The American Nation
8、al Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards In
9、stitute. Requests for interpretations should be addressed to the secretariat or sponsor whose name appears on the title page of this standard. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require
10、that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. Notice of Disclaimer Revision of T1.231-1997) American Nationa
11、l Standard for Telecommunications Digital Subscriber Line (DSL) Layer 1 In-Service Digital Transmission Performance Monitoring Secretariat Alliance for Telecommunications Industry Solutions Approved October 22, 2003 American National Standards Institute, Inc. Abstract This standard provides performa
12、nce monitoring functions and requirements applicable to DSL digital transmission lines. This standard provides functional requirements to support maintenance and is not meant to be an equipment specification. This standard is one of a set of standards for specific applications utilizing the common c
13、riteria as specified in T1.231-2003. ATIS-0300231.01.2003 ii Foreword The information contained in this Foreword is not part of this American National Standard (ANS) and has not been processed in accordance with ANSIs requirements for an ANS. As such, this Foreword may contain material that has not
14、been subjected to public review or a consensus process. In addition, it does not contain requirements necessary for conformance to the standard. This American National Standard is one of a series of maintenance operations standards developed by Technical Subcommittee T1M1 of Committee T1 - Telecommu
15、nications. Committee T1 standards serve the public through improved understanding between carriers, end-users, and manufacturers. This standard specifies a basic set of monitoring requirements, and provides criteria that are common to a set of standards, the T1.231 series, which define applications
16、for a specific level in the digital hierarchy. The documents, which are included in the T1.231 series (at the time that this document is approved), are listed below: T1.231-2003, Digital Hierarchy Layer 1 In-Service Transmission Performance Monitoring. T1.231.01-2003,DSL Layer 1 In-Service Transmiss
17、ion Performance Monitoring. T1.231.02-2003, DS1 Layer 1 In-Service Digital Transmission Performance Monitoring. T1.231.03-2003, DS3 Layer 1 In-Service Digital Transmission Performance Monitoring. T1.231.04-2003, SONET Layer 1 In-Service Digital Transmission Performance Monitoring. T1.231.05-200x, OT
18、N Layer 1 In-Service Transmission Performance Monitoring. (This standard is not yet approved.) This particular standard will be useful to anyone engaged in the design, provisioning, or operation, of telecommunications equipment or services, utilizing DSL digital transmission technology. The standard
19、 establishes uniform and consistent performance monitoring functions and requirements applicable to Layer1 DSL digital transmission lines. This standard is intended to be a living document, subject to revision and updating as warranted by advances in digital transmission technology Compliance with t
20、he standard should provide uniform and consistent measurement parameters and techniques for DSL circuits, facilities, and networks. In some cases, location-oriented options are needed to ensure compatibility: this need for options is imposed by significant differences between network providers as we
21、ll as between network elements Requirements are designated by the word shall, while recommendations utilize the word should. Requirements specify the minimum acceptable functionality for effective performance monitoring in a network element; recommendations identify functionality that may enhance pe
22、rformance monitoring capabilities for some users. Suggestions for the improvement of this standard will be welcome and should be sent to the Alliance for Telecommunications Industry Solutions, 1200 G Street, NW, Suite 500, Washington, DC, 20005. This standard was processed and approved for submittal
23、 to ANSI by Accredited Standards Committee on Telecommunications, T1. Committee approval of the standard does not necessarily imply that all members voted for its approval. At the time it approved this standard, the T1 Committee had the following members: E.R. Hapeman, T1 Chair W.R. Zeuch, T1 Vice-C
24、hair J.A. Crandall, T1 Director S.M. Carioti, T1 Disciplines S.D. Barclay, T1 Secretary C.A. Underkoffler, T1 Chief Editor T. Malpass, T1M1 Technical Editor EXCHANGE CARRIERS Organization Represented Name of Representative AT&T Wireless Services, Inc. Peter Musgrove Brian Daly (Alt.) BellSouth Telec
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