GB/T 28505-2012 English PDF

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GB/T 28505-2012: Technical specification of national No.7 signaling system 2Mbit/s high speed link
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Basic data

Standard ID: GB/T 28505-2012 (GB/T28505-2012)
Description (Translated English): Technical specification of national No.7 signaling system 2Mbit/s high speed link
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: M12
Classification of International Standard: 33.040.30
Word Count Estimation: 23,263
Quoted Standard: YDN 068; ITU-T G.703; ITU-T G.704; ITU-T Q.704
Adopted Standard: ITU-T Q.703-1996, NEQ
Regulation (derived from): National Standards Bulletin 2012 No. 13
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the technical requirements for high-speed signaling link, and also provides online in our No. 7 signaling principles using high-speed signaling link. This standard applies to high load No. 7 signaling network signaling links.

GB/T 28505-2012: Technical specification of national No.7 signaling system 2Mbit/s high speed link

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS33.040.30 M12 National Standards of People's Republic of China China No.7 signaling system technical requirements 2Mbit/s high-speed signaling link (ITU-TQ.703.1996, Signalinglink, NEQ) Issued on. 2012-10-01 2012-06-29 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions, abbreviations 1 3.1 Terms and definitions 3.2 Abbreviations 1 4 signaling data link level (MTP-1) 2 5 signaling link function level (MTP-2) 2 5.1 signaling link function level features 2 5.2 format signal unit 3 5.3 Program 5 5.4 Timers 11 6 signaling network function and message level (MTP-3) 12 6.1 Overview 12 6.2 switching and message switching confirmation message (COO and COA) 12 6.3 twenty-three on the interface to modify the contents of 13 6.4 The third level of the timer 13 Principle 7 of the high-speed signaling link signaling Web 13 Appendix A (normative) based Q.703 proposed high-speed links SDL 14 Annex B (informative) using high-speed signaling link in the n × 64kbit/s channel protocol 17 B.1 Overview 17 B.2 using the n × 64kbit/s channels of high-speed links Message Transfer Part 17 B.2.1 signal Data Link (MTP-1) 17 B.2.2 signaling link functions 17 B.2.3 Signalling network functions and messages 17 Principles B.3 using n × 64kbit/s channels of high-speed links 17 References 19

Foreword

This standard rule according to GB/T 1.1-2009 given draft. The standard reference method using redrafted ITU-TQ.703.1996 "No.7 Signaling System Message Transfer Part signaling link" in the Content related to the preparation of high-speed signaling link, the degree of consistency with the equivalent of a non-ITU-TQ.703. The standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China. The standard by the China Communications Standards Association. This standard was drafted. the Ministry of Industry and Information Technology and Telecommunications Research Institute, Huawei Technologies Co., Ltd. The main drafters of this standard. Lu Jun, continued co-yuan, Wu Hong Jian, Wang Liyan, Kang Zhiqiang, Yang Road, Bo. China No.7 signaling system technical requirements 2Mbit/s high-speed signaling link

1 Scope

This standard specifies the technical requirements for high-speed signaling link, but also provides high-speed signaling link in the signaling of No.7 online in principle. This standard applies to No.7 signaling network signaling links in a higher load.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. YDN068 domestic No.7 signaling system technical specification message transfer part (MTP) ITU-TG.703 physical/electrical characteristics of hierarchical digital terminal equipment digital interface (Digitalterminalequipments- General. Physical/electricalcharacteristicsofhierarchicaldigitalinterfaces) ITU-TG.704 digital terminal equipment 1544, 6312, 2048, 8488 and 44,736kbit/s level sync frame structure (Digitalterminalequipments-General. Synchronousframestructuresusedat1544,6312,2048,8448 and44736kbit/shierarchicallevels) ITU-TQ.704 No.7 signaling system switching and signaling specification Message Transfer Part signaling network functions and messages (Switching andsignalingspecificationsofSignalingSystemNo.7-Messagetransferpart (MTP) Signalingnet- workfunctionsandmessages) 3 Terms and definitions, abbreviations 3.1 Terms and Definitions The following terms and definitions apply to this document. 3.1.1 Flag search mode flaghunting The original 64kbit/s octet counting mode using link (OCTETCOUNTING) different, 2Mbit/s high-speed signaling After missing link protocol flag, flag link into the search mode, in this mode, only to find the code stream flag instead of the check After the process of looking for the detection of octet counting, find flag the link flag to exit search mode. 3.2 Acronyms The following abbreviations apply to this document. AERM AlignmentErrorRateMonitor positioning error rate monitoring EIM ErrorIntervalMonitor error monitoring period FISU Fil-InSignalUnit fill signals unit LSSU LinkStatuesSignalUnit link status signal unit ......

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