GB/T 21564.4-2008 English PDF

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GB/T 21564.4-2008: Message formats and protocols for serial data interfaces in alarm transmission systems -- Part 4: Common transport layer protocol
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Basic data

Standard ID: GB/T 21564.4-2008 (GB/T21564.4-2008)
Description (Translated English): Message formats and protocols for serial data interfaces in alarm transmission systems -- Part 4: Common transport layer protocol
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A91
Classification of International Standard: 13.320; 35.100.05
Word Count Estimation: 12,144
Date of Issue: 2008-03-24
Date of Implementation: 2008-09-01
Quoted Standard: GB/T 21564.1-2008
Adopted Standard: IEC 60839-7-4-2001, MOD
Regulation (derived from): Announcement of Newly Approved National Standards No. 5, 2008 (No. 118 overall)
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 standard interfaces in alarm transmission systems used in the transport layer information structure, format and transfer process. When a vendor's equipment would with other vendors' devices communicate with each other and the underlying system architecture does not provide the necessary functionality to support common application layer, the interface should be used in this section. Compliance with this section OSI layered protocol architecture that allows the flexibility to select and use low-level transmission media and protocols, while maintaining support for common application layer protocols. This section applies to the transmission of alarm messages and sent to/from intrusion, fire, access control and social alarm systems and other information transmission, and sent to/from other similar information transmission systems. This section does not contain code for identifying the physical management requirements.

GB/T 21564.4-2008: Message formats and protocols for serial data interfaces in alarm transmission systems -- Part 4: Common transport layer protocol

---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.
Message formats and protocols for serial data interfaces in alarm transmission systems Part 4. Common transport layer protocol ICS 13.320; 35.100.05 A91 National Standards of People's Republic of China Alarm transmission system for serial data interfaces Message formats and protocols Part 4. Common transport layer protocol (IEC 60839-7-4.2001Alarmsystems-Part 7-4. Messageformatsand Commontransportlayerprotocol, MOD) Posted 2008-03-24 2008-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ Introduction Ⅱ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Abbreviations 1 5 Overview 1 6 transport layer information format 1 7 Identification 3 8 Secure 4 9 message authentication code (MAC) 4 10 standard algorithm 4 Appendix A (normative) transport layer information 6

Foreword

GB/T 21564 "for serial data interfaces in alarm transmission systems of information formats and protocols" is divided into five parts. --- Part 1. General; --- Part 2. Common application layer protocol; --- Part 3. Common data link layer protocol; --- Part 4. Public transport layer protocol; --- Part 5. data interfaces. This section GB/T Part of 421,564. The partial modification adopts the International Electrotechnical Commission IEC 60839-7-4.2001 (in English). For ease of use, this section made the following changes. --- To increase the transport layer protocol notes, suggesting a model which encryption method; --- Remove the original IEC foreword, an increase of introduction. This section of Appendix A normative appendix. This part of the National Security Alarm System Standardization Technical Committee (SAC/TC100) and proposed centralized. This section drafted by. China University of Mining (Beijing) Information and Electrical Department, SAC/TC100 Secretariat, Hubei Dongrun Technology Co., Ltd., Beijing Univision Aegis Security Technology Co., Ltd. The main drafters of this section. Wang Rulin, Liu Xiqing, Tangsheng Nan, Jin Wei, Jin Zhou, Tong Zhu Bin, Yang Guosheng.

Introduction

Serial data communication is the main variety of communication model manifestations. This section is based on the earlier point RS-232 and RS-485 communication model multipoint serial communication bus model developed of. Therefore, broadband applications and wireless transmission is currently being widely used not been detailed presentation, only in some links and comments given prompt. Although the communication rate model This section gives slower, but the data transfer control theory and modern types of broadband applications and wireless applications Use is the same, so this part has a very good guide for alarm product designers, planners user alarm systems and alarm systems, etc. The role and significance of the demonstration. By the ITU-TV. 24 and ITU-TV. 28 provisions of the common interface, it is currently familiar EIA-RS232 interface, which is suitable For synchronous and asynchronous serial binary data exchange system, the interconnection between data terminal equipment serial interface protocol is an unbalanced Duplex digital baseband communication interface. The interface is mainly applied to low transmission rate, transmission distance close to the case. By the ISO /IEC 8482.1993 specified interfaces, it is currently familiar EIA-RS485 interface, which is also applicable for synchronous and Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 21564.1-2008 serial data interfaces in alarm transmission systems of information formats and protocols - Part 1. General (IEC 60839-7-1.2001, MOD)

3 Terms and Definitions

Terms and definitions GB/T 21564.1 established in this section apply to GB/T 21564 of.

4 Abbreviations

GB/T 21564.1 established abbreviations apply to this part of the GB/T 21564 of.

5 Overview

Transport layer is responsible for converting the application layer information into a format suitable for the underlying transport and increase the underlying transport mechanism does not have the function. Although this agreement or multipoint-to-multipoint link may be, but the transport layer described herein assume that the system of multiple independent Point to point communications logic of composition. In order to have a universal standard in the communication process, the device is defined as a transmitter, a device is defined as a receiver. What should be clear what function the corresponding portion of the device used.

6 transport layer information format

Each application layer or transport layer data block information should be formatted into transport layer information, together with information as defined below head. Note. There are a variety of data transmission encryption, encryption of this section, only role model. ......

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