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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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 /
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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
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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
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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
