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SAE J1939/21 (MAY2022)

Data Link Layer
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SAE J1939/21 (MAY2022)

Data Link Layer

PUBLISH DATE 2022
PAGES 54
SAE J1939/21 (MAY2022)
The SAE J1939 documents are intended for light, medium, and heavy-duty vehicles used on or off road, as well as appropriate stationary applications which use vehicle derived components (e.g., generator sets). Vehicles of interest include, but are not limited to, on- and off-highway trucks and their trailers, construction equipment, and agricultural equipment and implements. The purpose of these documents is to provide an open interconnect system for electronic systems. It is the intention of these documents to allow Electronic Control Units to communicate with each other by providing a standard architecture. This particular document, SAE J1939-21, describes the data link layer using the Classical Extended Frame Format (CEFF) with 29-bit IDs, as defined in ISO 11898-1, December 2015. For SAE J1939, no alternative data link layers are permitted.
SDO SAE: SAE International
Document Number J1939/21
Publication Date May 24, 2022
Language en - English
Page Count 54
Revision Level 202205
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