ITU-T Y.1322-2003 Network node interface for the synchronous digital hierarchy (SDH)

pdf标准 ITU-T Y.1322-2003 Network node interface for the synchronous digital hierarchy (SDH)

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INTERNATIONAL TELECOMMUNICATION UNION ITU-T G.707/Y.1322 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (12/2003) SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Digital terminal equipments – General SERIES Y: GLOBAL INFORMATION INFRASTRUCTURE, INTERNET PROTOCOL ASPECTS AND NEXT GENERATION NETWORKS Network node interface for the synchronous digital hierarchy (SDH) ITU-T Recommendation G.707/Y.1322 ITU-T G-SERIES RECOMMENDATIONS TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS INTERNATIONAL TELEPHONE CONNECTIONS AND CIRCUITS GENERAL CHARACTERISTICS COMMON TO ALL ANALOGUE CARRIERTRANSMISSION SYSTEMS INDIVIDUAL CHARACTERISTICS OF INTERNATIONAL CARRIER TELEPHONE SYSTEMS ON METALLIC LINES GENERAL CHARACTERISTICS OF INTERNATIONAL CARRIER TELEPHONE SYSTEMS ON RADIO-RELAY OR SATELLITE LINKS AND INTERCONNECTION WITH METALLIC LINES COORDINATION OF RADIOTELEPHONY AND LINE TELEPHONY TESTING EQUIPMENTS TRANSMISSION MEDIA CHARACTERISTICS DIGITAL TERMINAL EQUIPMENTS General Coding of analogue signals by pulse code modulation Coding of analogue signals by methods other than PCM Principal characteristics of primary multiplex equipment Principal characteristics of second order multiplex equipment Principal characteristics of higher order multiplex equipment Principal characteristics of transcoder and digital multiplication equipment Operations, administration and maintenance features of transmission equipment Principal characteristics of multiplexing equipment for the synchronous digital hierarchy Other terminal equipment DIGITAL NETWORKS DIGITAL SECTIONS AND DIGITAL LINE SYSTEM QUALITY OF SERVICE AND PERFORMANCE – GENERIC AND USER-RELATED ASPECTS TRANSMISSION MEDIA CHARACTERISTICS DIGITAL TERMINAL EQUIPMENTS DIGITAL NETWORKS For further details, please refer to the list of ITU-T Recommendations. G.100–G.199 G.200–G.299 G.300–G.399 G.400–G.449 G.450–G.499 G.500–G.599 G.600–G.699 G.700–G.799 G.700–G.709 G.710–G.719 G.720–G.729 G.730–G.739 G.740–G.749 G.750–G.759 G.760–G.769 G.770–G.779 G.780–G.789 G.790–G.799 G.800–G.899 G.900–G.999 G.1000–G.1999 G.6000–G.6999 G.7000–G.7999 G.8000–G.8999 ITU-T Recommendation G.707/Y.1322 Network node interface for the synchronous digital hierarchy (SDH) Summary This Recommendation provides the requirements for the STM-N signals at the Network Node Interface of a synchronous digital network, including B-ISDN in terms of: – bit rates; – frames structures; – formats for mapping and multiplexing of client signals (e.g. PDH, ATM and Ethernet) elements; – functionalities of the overheads. Source ITU-T Recommendation G.707/Y.1322 was approved on 14 December 2003 by ITU-T Study Group 15 (2001-2004) under the ITU-T Recommendation A.8 procedure. History 1.0 2.0 3.0 4.0 5.0 5.1 5.2 5.3 5.4 5.4 5.5 6.0 G.707 G.707 G.707 G.707 G.707/Y.1322 G.707/Y.1322 G.707/Y.1322 G.707/Y.1322 G.707/Y.1322 G.707/Y.1322 G.707/Y.1322 G.707/Y.1322 (2000) Cor.1 (2000) Cor.2 (2000) Amend.1 (2000) Amend.2 (2000) Cor.3 (2000) Amend.3 1988-11-25 1991-04-05 1993-03-12 1996-03-20 2000-10-06 2001-03-15 2001-11-29 2001-11-29 2002-08-06 2003-03-16 2003-04-13 2003-12-14 ITU-T Rec. G.707/Y.1322 (12/2003) i FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-T's purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression "Administration" is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. Compliance with this Recommendation is voluntary. However, the Recommendation may contain certain mandatory provisions (to ensure e.g. interoperability or applicability) and compliance with the Recommendation is achieved when all of these mandatory provisions are met. The words "shall" or some other obligatory language such as "must" and the negative equivalents are used to express requirements. The use of such words does not suggest that compliance with the Recommendation is required of any party. INTELLECTUAL PROPERTY RIGHTS ITU draws attention to the possibility

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