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SAE J1939/21_199407
- Data Link Layer
- standard by SAE International, 07/01/1994
- Publisher: SAE
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As described in the parent document, SAE J1939, there are a minimum of seven documents required to fully define a SAE J1939 network. This particular document, SAE J1939/21, describes a Data Link Layer using the CAN protocol with 29 bit identifiers. For SAE J1939 no alternative data link layers are permitted.