NEMA NTCIP 1208-2005 National Transportation Communications for ITS Protocol Object Definitions for Closed Circuit Television (CCTV) Switching (Version 01 12)《国家运输ITS通信协议 闭路电视开关目标定.pdf

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 1208:2005 v01.12National TransportationCommunications for ITS ProtocolObj

2、ect Definitions for Closed Circuit Television (CCTV) SwitchingA Joint Standard of AASHTO, ITE, and NEMAA Joint Standard of AASHTO, ITE, and NEMA NTCIP 1208:2005 v01.12National TransportationCommunications for ITS Protocol Object Definitions for Closed Circuit Television (CCTV) Switching October 2005

3、 Published by American Association of State Highway and Transportation Officials (AASHTO)444 North Capitol St., N.W., Suite 249 Washington, DC, 20001 Institute of Transportation Engineers (ITE)1099 14th Street, N.W., Suite 300 West Washington, D.C. 20005-3438 National Electrical Manufacturers Associ

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36、rtification or other statement of compliance with any health or safetyrelated 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

37、other marks mentioned in this document are the trademarks of their respective owners. NTCIP 1208:2005 v01.12 Page i 2005 AASHTO / ITE / NEMA Do Not Copy Without Written Permission ACKNOWLEDGEMENTSThis publication was prepared by the NTCIP CCTV Working Group, which is a subdivision of the NTCIP Joint

38、 Committee. The Joint Committee is organized under a Memorandum 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 o

39、n the NTCIP consists of six representatives from each of the standards organizations, and provides guidance for NTCIP development.At the time that this document was prepared, the following individuals were members of the NTCIP CCTV Working Group: g120g3 Joseph Bowman g120g3 Mike Forbis (chair) g120g

40、3 G. Curtis Herrick g120g3 John McDonough g120g3 Emmanual Morala g120g3 Bruce Pluth g120g3 Stephen L. Robinson g120g3 Canny Quach g120g3 Shahram Shahriarig120g3 Phillip Tran g120g3 Keith Vennel In addition to the many volunteer efforts, recognition is also given to those organizations that supported

41、 the efforts of the NTCIP CCTV Working Group by providing comments and resources for the development of the standard, including: g120g3 California Department of Transportation g120g3 Cohu, Inc. g120g3 Diamond Electronics, Inc. g120g3 G. C. Herrick October 2004 ITE Software Standard; May 2005 NEMA St

42、andard; November 2004 History From 1996 to 1999, this document was referenced as NEMA TS 3.SWITCH. However, to provide an organized numbering scheme for the NTCIP documents, this document is now referenced as NTCIP 1208. The technical specifications of NTCIP 1208 are identical to the former referenc

43、e, except as noted in the development history below: NTCIP 1208 v01.04. July 1999 Accepted as a User Comment Draft by the Joint Committee on the NTCIP. January 2000 NTCIP Standards Bulletin B0041 distributed for user comment. NTCIP 1208 v01.11. August 2003 Accepted v01.11 as a Recommended Standard b

44、y the Joint Committee on the NTCIP. May 2004 NTCIP Standards Bulletin B0094 referred v01.11d for balloting. Approved by AASHTO in October 2004, approved by ITE in May 2005, and approved by NEMA in November 2004. NTCIP 1208:2005 v01.12. October 2005 Edited document for publication; revised front matt

45、er. Compatibility of Versions All NTCIP Standards Publications have a major and minor version number for configuration management.The version number syntax is “v00.00a,“ with the major version number before the period, and the minor version number and edition letter (if any) after the period. Anyone

46、 using this document should seek information about the version number that is of interest to them in any given circumstance. The MIB, the PRL, and the PICS should all reference the version number of the standards publication that was the source of the excerpted material. Compliant systems based on l

47、ater, or higher, version numbers MAY NOT be compatible with compliant systems based on earlier, or lower, version numbers. Anyone using this document should also consult NTCIP 8004 for specific guidelines on compatibility. NTCIP 1208:2005 v01.12 Page iv Do Not Copy Without Written Permission 2005 AA

48、SHTO / ITE / NEMA INTRODUCTIONThis document defines the Closed Circuit Television (CCTV) Switch data elements that are supported by the NTCIP. The NTCIP Object Definitions for Closed Circuit Television (CCTV) Switches defines data elements in ASN.1 using the SNMP Object Type Macro for devices that c

49、ontrol discrete input and output video signals. These definitions are intended for CCTV video switching devices. This standard defines requirements that are applicable to all NTCIP environments and it also contains optional and conditional clauses that are applicable to specific environments for which they are intended.The following keywords apply to this document: AASHTO, ITE, NEMA, NTCIP, CCTV, switch, data elements.In 1992, the NEMA 3-TS Transportation Management Systems and Associated Control Devices Section began the effort to develop the NTCIP. Under the