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SAE J1939/31_202306

Name: SAE J1939/31_202306 PDF | Request Standard
SKU: 1de629b62b20

Network Layer

Standard by SAE International, 2023-06-06

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Language: English
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About This Item

SAE J1939-31 network layer describes the requirements and services for network interconnection ECUs (NIECU) that enable electronic control units (ECUs) on an SAE J1939 network segment to intercommunicate with other ECUs on different network segments of the vehicle or system network. This document defines various types of NIECUs. The information in this document applies only to ECUs that are intended to provide networking services. It is not necessary for an ECU to provide any of these services in order to be compliant with the SAE J1939 protocol. This document has been updated to generalize comments related to SAE J1939 data link layer characteristics and behavior so those comments are applicable to both the SAE J1939-21 or an SAE J1939-22 data link layer. Numerous edits to properly use the term “PG data” instead of “data field” when referring to the data content for a PG. Numerous edits to properly differentiate between an SAE J1939 message and an SAE J1939 data frame. Noted that a gateway NIECU is required between an SAE J1939-21 network segment and an SAE J1939-22 network segment.

SKU: 1de629b62b20

Publication Date: 2023-06-06

Standard Status: latest

Publisher: SAE International

Document Type: Ground Vehicle Standard

Subject: Agricultural vehicles and equipment, Communication protocols, Electronic control units, Data acquisition and handling, Architecture, Vehicle networking, , ,

Official SAE: Doi link

This Version: J1939/31_202306 (2023-06-06)
Previous Version: J1939/31_201809 (2018-09-13)
Previous Version: J1939/31_201404 (2014-04-16)
Previous Version: J1939/31_201005 (2010-05-03)
Previous Version: J1939/31_200404 (2004-04-02)
Previous Version: J1939/31_199712 (1997-12-01)
Previous Version: J1939/31_199412 (1994-12-01)

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