Physical Layer, 250 Kbps, Un-Shielded Twisted Pair (UTP)

Standard:
Revised:
  • 2015-08-12
 
  • CURRENT
Publisher:
  • SAE International
Pages:
19
Scope:

This document describes a physical layer utilizing Unshielded Twisted Pair (UTP) cable with extended stub lengths for flexibility in ECU placement and network topology. Also, connectors are not specified.

CAN controllers are now available which support the newly introduced CAN Flexible Data Rate Frame format (known as “CAN FD”). These controllers, when used on SAE J1939-15 networks, must be restricted to use only the Classical Frame format compliant to ISO 11898-1 (2003).

These SAE Recommended Practices are intended for light- and heavy-duty vehicles 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.

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Rationale:

Document is revised to correct a typographical error in a reference to ISO 11898, and to modify Appendix B for consistency with SAE J1939-11.

History:
Standard Published Revision Status
J1939/15_201508 2015-08-12 Latest Revised
2014-05-29 Historical Revised
2008-08-21 Historical Revised
2003-11-10 Historical Issued
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