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J1939 Information

CAN systems, or Controller Area Networks, are multiplex data systems. Multiplexing allows multiple data signals to travel on the same wires, integrating separate electronic systems and applications to a single point control and monitoring system. Using signals sent over a serial network, CAN systems provide instantaneous monitoring of diagnostic and control systems allowing early detection of potential problems, lowering repair costs and reducing downtime. CAN systems allow an operator to use a single command station to control diagnostic systems and receive such varied information as brake and transmission temperature, tire pressure, fuel efficiency and emissions levels. Anything that can be measured and controlled electronically can be monitored and directed by a CAN system.

SAE J1939 is a specific type of CAN that defines the communications pathways for vehicle networks. J1939 specifications were originally designed for the automotive industry, but the variety of applications using J1939 CAN systems has expanded as the use of single ECU (engine control units) has become commonplace in the diesel engine market. DEUTSCH DT, DTM, HD10 and HDBox connector options are specifically designed to meet the J1939 standards.

Click here for a J1939-11 Schematic

DT Series connector options for meeting the requirements of J1939-11. The schematic shows just one possible layout for meeting the specification. Alternatives such as different types of shrink boot adapters, connector colors, and flanges can be chosen.

Click here for a J1939-15 Schematic

DTM Series connector options for meeting the requirements of J1939-15. The schematic shows just one possible layout for meeting the specification. Alternatives such as different types of shrink boot adapters and connector colors can be chosen.

Click here for a DEUTSCH Controller Area Networks Brochure

An overview of the SAE J1939 system and the DEUTSCH industrial connector options.