The embodiment of compatibility and standardization of J1939 male to J1939 female cable

The embodiment of compatibility and standardization of J1939 male to J1939 female cable

The design and production of J1939 male to J1939 female cables strictly follow the standards of the J1939 protocol, reflecting a high degree of compatibility and standardization.

The J1939 protocol provides detailed specifications for the physical layer, data link layer, and application layer of cables. At the physical layer, cable types, pin assignments, electrical characteristics, etc. are specified. For example, the cable uses shielded twisted pair cables, with 9-pin circular connectors at both ends, and clear standards for pin functions and signal definitions. At the data link layer, message formats, addressing methods, and communication modes are specified. The application layer defines the specific data content of each message, including parameter group number (PGN) and parameter number (SPN).

Due to strict adherence to these standards for J1939 male to J1939 female cables, cables and equipment produced by different manufacturers have good compatibility. This means that users can freely choose products from different manufacturers for combination use without worrying about communication incompatibility issues. Meanwhile, standardization also makes cable production and maintenance more convenient, reducing costs.

The compatibility and standardization of J1939 male to J1939 female cable are important foundations for its wide application, providing reliable guarantees for communication in commercial vehicles and other fields.