1、A Joint Publication of:American Association of State Highway and Transportation Officials (AASHTO) Institute of Transportation Engineers (ITE)National Electrical Manufacturers Association (NEMA)NTCIP Standards PublicationNTCIP 2104:2003 v01.11National TransportationCommunications for ITS ProtocolEth
2、ernet Subnetwork ProfileA Joint Standard of AASHTO, ITE, and NEMAA Joint Standard of AASHTO, ITE, and NEMA NTCIP 2104:2003 v01.11 National Transportation Communications for ITS Protocol Ethernet Subnetwork Profile September 2005 Published by American Association of State Highway and Transportation O
3、fficials (AASHTO) 444 North Capitol Street, N.W., Suite 249 Washington, D.C. 20001 Institute of Transportation Engineers (ITE) 1099 14th Street, N.W., Suite 300 West Washington, D.C. 20005-3438 National Electrical Manufacturers Association (NEMA) 1300 North 17th Street, Suite 1752 Rosslyn, Virginia
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14、 derivative works, of the DD or MIB, including copies for commercial distribution, provided that: (i) each copy you make and/or distribute contains the citation “Derived from NTCIP 0000 insert the document number. Used by permission of AASHTO / ITE / NEMA.”; (ii) the copies or derivative works are n
15、ot made part of the standards publications or works offered by other standards developing organizations or publishers or as works-for-hire not associated with commercial hardware or software products intended for field implementation; 2005 AASHTO / ITE / NEMA Do Not Copy Without Written Permission (
16、iii) use of the DD or MIB is restricted in that the syntax fields may be modified only to reflect a more restrictive subrange or enumerated values; (iv) the description field may be modified but only to the extent that: (a) only those bit values or enumerated values that are supported are listed; an
17、d (b) the more restrictive subrange is expressed. These materials are delivered “AS IS” without any warranties as to their use or performance. AASHTO / ITE / NEMA and their suppliers do not warrant the performance or results you may obtain by using these materials. AASHTO / ITE / NEMA and their supp
18、liers make no warranties, express or implied, as to noninfringement of third party rights, merchantability, or fitness for any particular purpose. In no event will AASHTO / ITE / NEMA or their suppliers be liable to you or any third party for any claim or for any consequential, incidental or special
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20、equential or special damages, or the exclusion of implied warranties, so the above limitations may not apply to you. Use of these materials does not constitute an endorsement or affiliation by or between AASHTO, ITE, or NEMA and you, your company, or your products and services. If you are unwilling
21、to accept the foregoing restrictions, you should immediately return these materials. PRL and RTM Distribution Permission To the extent that these materials are distributed by AASHTO / ITE / NEMA in the form of a Profile Requirements List (“PRL”) or a Requirements Traceability Matrix (RTM), AASHTO /
22、ITE / NEMA extend the following permission: (i) you may make and/or distribute unlimited copies, including derivative works of the PRL (then known as a Profile Implementation Conformance Statement (PICS) or the RTM, provided that each copy you make and/or distribute contains the citation “Based on N
23、TCIP 0000 insert the document number PRL or RTM. Used by permission. Original text AASHTO / ITE / NEMA.”; (ii) you may not modify the PRL or the RTM except for the Project Requirements column, which is the only column that may be modified to show a products implementation or the project-specific req
24、uirements; and (iii) if the PRL or RTM excerpt is made from an unapproved draft, add to the citation “PRL (or RTM) excerpted from a draft document containing preliminary information that is subject to change.” The permission is limited to not include reuse in works offered by other standards develop
25、ing organizations or publishers, and to not include reuse in works-for-hire or compendiums or electronic storage that are not associated with commercial hardware or software products intended for field installation. A PICS is a Profile Requirements List which is completed to indicate the features th
26、at are supported in an implementation. Visit www.ntcip.org for information on electronic copies of the MIBs, PRLs, and RTMs. Content and Liability Disclaimer The information in this publication was considered technically sound by the consensus of persons engaged in the development and approval of th
27、e document at the time it was developed. Consensus does not necessarily mean that there is unanimous agreement among every person participating in the development of this document. Do Not Copy Without Written Permission 2005 AASHTO / ITE / NEMA AASHTO, ITE, and NEMA standards and guideline publicati
28、ons, of which the document contained herein is one, are developed through a voluntary consensus standards development process. This process brings together volunteers and/or seeks out the views of persons who have an interest in the topic covered by this publication. While AASHTO, ITE, and NEMA admi
29、nister the process and establish rules to promote fairness in the development of consensus, they do not write the document and they do not independently test, evaluate, or verify the accuracy or completeness of any information or the soundness of any judgments contained in their standards and guidel
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31、. AASHTO, ITE, and NEMA disclaim and make no guaranty or warranty, express or implied, as to the accuracy or completeness of any information published herein, and disclaims and makes no warranty that the information in this document will fulfill any of your particular purposes or needs. AASHTO, ITE,
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34、exercise of reasonable care in any given circumstances. Information and other standards on the topic covered by this publication may be available from other sources, which the user may wish to consult for additional views or information not covered by this publication. AASHTO, ITE, and NEMA have no
35、power, nor do they undertake to police or enforce compliance with the contents of this document. AASHTO, ITE, and NEMA do not certify, test, or inspect products, designs, or installations for safety or health purposes. Any certification or other statement of compliance with any health or safetyrelat
36、ed information in this document shall not be attributable to AASHTO, ITE, or NEMA and is solely the responsibility of the certifier or maker of the statement. Trademark Notice NTCIP is a trademark of AASHTO / ITE / NEMA. All other marks mentioned in this document are the trademarks of their respecti
37、ve owners. NTCIP 2104:2003 v01.11 Page i 2005 AASHTO / ITE / NEMA Do Not Copy Without Written Permission ACKNOWLEDGEMENTS This publication was prepared by the NTCIP Profiles Working Group, which is a subdivision of the Joint Committee on the NTCIP. The Joint Committee is organized under a Memorandum
38、 of Understanding among the American Association of State Highway and Transportation Officials (AASHTO), the Institute of Transportation Engineers (ITE), and the National Electrical Manufacturers Association (NEMA). The Joint Committee on the NTCIP consists of six representatives from each of the st
39、andards organizations, and provides guidance for NTCIP development. At the time that this document was prepared, the following individuals were members of the NTCIP Profiles Working Group: Jas Bhullar Robert De Roche (Chair) Robert Force Willard “Bud“ Kent Amit Misra Alex Mousadi Brian Paulsmeyer Jo
40、erg “Nu“ Rosenbohm Kenneth Vaughn Hoi Wong Other individuals providing input to the document include: Robert Barrett Joey Baumgartner Albert Bonificio Thomas Bryer Blake Christie Ken Earnest Arthur Felgate Michael Forbis Joesph Herr Earl Hoekman David Kingery Tom Kurihara Gary Meredith Bon Ninke Dal
41、e Peabody Jeff Racz Michael Robinson James Rose Bancroft Scott Bo Strickland Sonja Sun Paul Thorpe Gary Workman In addition to the many volunteer efforts, recognition is also given to those organizations who supported the efforts of the working groups by providing comments and funding for the standa
42、rd, including: AASHTO ARINC Caltrans Eagle Traffic Control Systems Econolite Control Products Federal Highway Administration IEEE ITE Iteris JPL MasTec Ministry of Transportation, Ontario Minnesota Department of Transportation Mitretek Naztec NEMA Open Systems Solutions PB Farradyne, a Division of P
43、BQD Peek Traffic Systems Southwest Research Institute Texas Department of Transportation Trevilon VHB NTCIP 2104:2003 v01.11 Page ii Do Not Copy Without Written Permission 2005 AASHTO / ITE / NEMA FOREWORD This document uses only metric units. This publication defines a subnetwork profile that is a
44、combination of standards intended to meet specific requirements for subnetwork services in transportation devices and management centers in a networked environment. Its scope covers the data link and physical layers of the Open System Interconnect (OSI) Reference Model. The scope also references net
45、work layer interface requirements. It contains mandatory requirement statements that are applicable to all devices claiming conformance to this standard. It also contains optional and conditional requirements that may be applicable to a specific environment in which a device is used. The text includ
46、es mandatory requirements in Annex A that are defined as normative. For more information about NTCIP standards, visit the NTCIP Web Site at http:/www.ntcip.org. User Comment Instructions The term “User Comment” includes any type of written inquiry, comment, question, or proposed revision, from an in
47、dividual person or organization, about any part of this standard publications content. A “Request for Interpretation” of this standard publication is also classified as a User Comment. User Comments are solicited at any time. In preparation of this NTCIP standards publication, input of users and oth
48、er interested parties was sought and evaluated. All User Comments will be referred to the committee responsible for developing and/or maintaining this standards publication. The committee chairperson, or their designee, may contact the submitter for clarification of the User Comment. When the commit
49、tee chairperson or designee reports the committees consensus opinion related to the User Comment, that opinion will be forwarded to the submitter. The committee chairperson may report that action on the User Comment may be deferred to a future committee meeting and/or a future revision of the standards publication. Previous User Comments and their disposition may be available for reference and information at www.ntcip.org. A User Comment should be submitt
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