What are the applications of J1708 to J1939 cable in the automotive industry?

What are the applications of J1708 to J1939 cable in the automotive industry?

The usage scenarios of J1708 to J1939 cables are gradually decreasing with technological iterations and protocol upgrades, but there are still transitional requirements in specific scenarios

Existing application scenarios

Maintenance of old vehicles: In some commercial vehicles or construction machinery that still use the J1708 protocol, the J1708 to J1939 cable may be used as a temporary solution to connect old and new equipment or achieve data migration. However, such applications often come with high costs and low efficiency issues.

Industrial equipment adaptation: In non road mobile machinery such as agricultural machinery and mining vehicles, if the equipment upgrade cycle is long, there may be a short-term need for protocol conversion. However, with the improvement of the J1939 ecosystem, such scenarios are accelerating their transition to a full J1939 architecture.

Protocol conversion gateway replacement: Modern vehicle networks tend to use microprocessor or FPGA based protocol conversion gateways to achieve transparent transmission from J1708 to J1939. Although this type of solution has a higher cost, it has better flexibility and scalability, gradually replacing physical layer conversion cables.