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GB/T 16974-2009 English PDF

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Q: Should I purchase the latest version GB/T 16974-2009?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 16974-2009 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$3754.00 · In stock
Delivery: <= 12 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 16974-2009: Information technology -- Data communications -- X.25 Packet Layer Protocol for Data Terminal Equipment
Status: Valid

GB/T 16974: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 16974-2009	3754	Add to Cart	12 days	Information technology -- Data communications -- X.25 Packet Layer Protocol for Data Terminal Equipment	Valid
GB/T 16974-1997	RFQ	ASK	10 days	Information technology--Data communications--X. 25 Packet Layer Protocol for Data Terminal Equipment	Obsolete

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Basic data

Standard ID: GB/T 16974-2009 (GB/T16974-2009)
Description (Translated English): Information technology -- Data communications -- X.25 Packet Layer Protocol for Data Terminal Equipment
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L78
Classification of International Standard: 35.100.30
Word Count Estimation: 188,196
Date of Issue: 2009-09-30
Date of Implementation: 2009-12-01
Older Standard (superseded by this standard): GB/T 16974-1997
Quoted Standard: GB/T 9387.1-1998; GB/T 15126-2008; GB/T 16966-1997; GB/T 17547-1998; GB/T 17963-2000; ISO/IEC TR 9577-1999; ISO/IEC 10588-1993; ISO/IEC 10732-1993; GB/T 1988-1998; GB/T 16976-1997; GB/T 17178.1-1997; ISO/IEC 9646-7-1997; GB/T 11595-1999; GB/T 14399-2008; GB/T 16646-1996; GB/T 17972-2000; ISO/IEC TR 10029-1989; ISO/IEC TR 13532-1995; CCITT recommendation D.12-1988; CCITT recommendation X.610-1992; ITU-T recommend X.2-1996; ITR-T recommendation X.29-1997; ITU-T recommendation X.31-1995; ITU-T recommendation X.32-1996; ITU-T recommendation X.75-1996; ITU-T recommendations X.96-1993; ITU-T recommendation X.121-1996; ITU-T recommendation X.301-1996; RFC 1166 INTERNET NO July 1990
Adopted Standard: ISOIEC 8208-2000, IDT
Regulation (derived from): Announcement of Newly Approved National Standards No. 10 of 2009 (No. 150 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 the data terminal equipment (DTE) operation using the meet ITU-TX. 25 cladding procedures, formats, and facilities. Including virtual call and PVC two modes of operation.

GB/T 16974-2009: Information technology -- Data communications -- X.25 Packet Layer Protocol for Data Terminal Equipment

---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.
Information technology.Data communications.X.25 Packet Layer Protocol for Data Terminal Equipment ICS 35.100.30 L78 National Standards of People's Republic of China GB/T 16974-2009/ISO /IEC 8208..2000 Replacing GB/T 16974-1997 Information Technology Data Communication Data terminal equipment with X. 25 cladding protocol (ISO /IEC 8208..2000, IDT) 2009-09-30 release 2009-12-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released Directory Preface I ISO /IEC Foreword 1 Scope 1 2 normative reference document 1 General consideration 2 4 Reboot Procedure 11

5 Call Initiation and Clearance Procedures

6 Data and interrupt transmission procedures

Flow control procedures 8 Reset procedure 29 Effect of Clear, Reset, and Restart Procedures on Data Transfer Packets Impact of Layer 1 and Layer 2 on Cladding 11 error handling 33 12 package format 36 13 Optional user facility procedures 14 Optional DTE facility regulations for ITU-T Recommendation 93 15 Call setup/clear the format of the facility field in the package 95 16 Registering the format of the field in the package 109 17 diagnostic code 114 18 timer and retransmission count 118 19 State diagram 121 20 state table 126 21 Consistency 134 Appendix A (Normative Appendix) Dedicated Network Appendix B (Normative Appendix) PICS Form Table 149 Appendix C (informative) Differences between ISO /IEC 8208 versions Appendix D (informative) Abbreviations 181 GB/T 16974-2009/ISO /IEC 8208..2000

Foreword

This standard is equivalent to ISO /IEC 8208..2000 "Information technology data communication data terminal equipment X. 25 cladding agreement "(English version). This standard replaces GB/T 16974-1997 "Information technology data communication data terminal equipment X. 25 cladding agreement ". This standard compared with GB/T 16974-1997, the main changes are as follows. a) Increased the module extension number of the module 32768, which includes. --- new module 32768 operation of the package format; - When using modulo 32768 operation, a protocol identifier field is used; --- a new super-extended packet sequence number facility; --- modified non-standard default window size facilities; --- modify the flow control parameters negotiation facility. b) Expanded A bit = 1 (TOA/NPI addressing) Performance. --- Added support for A bit = 1 addressing address type and numbering scheme; --- Expanded use of A bit = 1 addressing in call setup and purge packets; --- Added TOA/NPI address reservation facility; --- Expanded performance in alternative addressing related facilities; Added diagnostic code # 46. c) Modifications associated with the online facility registration facility. --- indicate X. 251996 version of the online registration facility was deleted; --- Increased the ability of the online facility registration facility to modulate the non-standard default window size for modulo 32768 operations. Appendix A and B of this standard are normative and Appendix C, Appendix D is an informative appendix. This standard is proposed and centralized by the National Information Standardization Technical Committee. The drafting unit of this standard. China Electronic Technology Standardization Institute. The main drafters of this standard. Zhuolan, Zhang Cui, Huang Jiaying, Xu Dongmei, Guo Nan, Liu Wenzhi, Wu Dongya. This standard replaced the previous version of the standard release. --- GB/T 16974-1997. GB/T 16974-2009/ISO /IEC 8208..2000 ISO /IEC Foreword ISO (International Organization for Standardization) and IEC (International Electrotechnical Commission) have formed a commitment to the worldwide standardization of work Specialized organization. ISO or IEC member countries through the relevant organizations to establish the technical committee to participate in the development of international standards, and deal with specific Technical issues in the domain. ISO and IEC Technical Committees collaborate in areas of mutual interest. Other government and non-governmental countries Organization, and ISO and IEC to contact to participate in the work. International standards are drafted in accordance with the provisions of Part 3 of the ISO /IEC Directive. In the field of information technology, ISO and IEC have established a joint technical committee (ISO /IEC JTC1). By the joint technical committee The draft international standards to be adopted will be circulated to Member States for voting. The official publication of international standards is required to participate in the voting of the members 75% of the approval. The issue of the possibility of certain elements in international standards involving patent rights is of concern. ISO and IEC do not discriminate any Or all such patent rights. International Standard ISO /IEC 8208, by the Joint Technical Committee ISO /IEC JTC1 "Information Technology" Joint Technical Committee System Fixed. The fourth edition of this standard eliminates and replaces the third edition (ISO /IEC 8208..2000), which is the third edition of the technical revision. Appendix A, Appendix B is a normative appendix. Appendix C, Appendix D is an informative appendix. GB/T 16974-2009/ISO /IEC 8208..2000 Information Technology Data Communication Data terminal equipment with X. 25 cladding protocol

1 Scope

This standard specifies that the data terminal equipment (DTE) operation is in accordance with ITU-TX. 25 of the cladding procedures, formats and facilities. include Virtual call and permanent virtual circuit two modes of operation. The standard protocol can be used for open system interconnection (OSI) and non-OSI. When used in OSI context, package Layer protocol package in the OSI reference model of the network layer, that is, GB/T 9387.1-1998. When accessed by means of a dedicated path or circuit switched connection to ITU-TX. 25 of the public or private packet switching network when this standard package The DTE operation on the cladding. This standard also includes two DTEs conforming to this standard, via dedicated paths, circuit switched connections, or local area networks (LAN) direct communication (without packet switching network intervention) necessary additional packet procedures. This standard also includes the use of ITU-TX. 25 is connected to the packet-switched public data network and can also provide X for the DTE. 25 interface Use the network (see Appendix A). In order to assess the consistency of a particular implementation, there is a need for those capabilities and options that are fulfilled. This statement is called "agreement to achieve one." (PICS), as defined in ISO /IEC 9646-7..1997, is defined in ISO /IEC 9646-7..1997. Record B provides a PICS form. The first edition of the corresponding international standard was based on 1984CCITTX. 25 of the Redbooks are based on the text, also included with the early 1980 CCITTX. 25 of the Yellow Book is compatible with the necessary terms. The second edition is based on 1988CCITTX. 25 of the Blue Book text is based, The third edition is based on X. 25 of the.1993 version is based on the four edition is X. 25 of the.1996 edition. Which includes the 1988, 1984 and 1980X. 25 version compatible with the necessary terms. Differences between the different versions of this standard are summarized in Appendix C. It should be noted that when used in DTE, this standard is compatible with ITU-TX. 25 is not the same. This standard contains ITU- TX. 25 on the DTE specification. In addition, this standard also includes DTE to DTE to work between DTE and DTE Additional specification. This broader scope of application must be recognized in the application of this standard.

2 normative reference documents

The terms of the following documents are hereby incorporated by reference into this standard. Whichever is the date of the reference file, which is followed by all (Excluding corrigenda) or revisions do not apply to this standard, however, encourage the parties to reach an agreement under this standard Whether you can use the latest version of these files. For undated references, the latest edition applies to this standard. 2.1 Equivalent to international standards GB/T 9387.1-1998 Information technology - Open systems interconnection - Basic reference model - Part 1. Basic model (idt ISO / IEC 7498-1..1994) Information technology - Open systems interconnection - Network service definition (ISO /IEC 8348..2002, IDT) GB/T 15126-2008 GB/T 16966-1997 Information technology Packet-based devices connected to the Integrated Services Digital Network (ISDN) provide OSI connectivity Network service (idt ISO /IEC 9574..1992) Information technology - Open systems interconnection - Data link service definition (idt ISO /IEC 8886..1996) GB/T 17547-1998 GB/T 17963-2000 Information technology Open systems Interconnection Network layer security protocol (idt ISO /IEC 11577..1995) ISO /IEC TR9577..1999 Information technology - Network - level protocol identification ISO /IEC 10588..1993 Information technology and X. 21/X. 21bis combine to provide OSI connection to the network service X. 25 The use of the cladding protocol GB/T 16974-2009/ISO /IEC 8208..2000 ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 16974-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 16974-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 8 ~ 12 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 16974-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 16974-2009_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 16974-2009?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 16974-2009 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.