What parameters should be noted when purchasing right angle J1939 cable?

What parameters should be noted when purchasing right angle J1939 cable?

When purchasing right angle J1939 cable, the following parameters should be considered:

Interface type: Confirm whether the interface types at both ends of the cable accurately match the device being used. The J1939 interface is usually 9-pin, but there may be different pin definitions and housing specifications, such as male and female heads, as well as whether it is a right angled bend, which need to be accurately adapted to existing equipment interfaces.

Wire gauge: The wire gauge determines the conductivity and mechanical strength of the cable.

Cable length: Choose the appropriate length according to the actual usage scenario.

Material and Quality: The material of a cable directly affects its performance and service life. High quality cables usually use high-purity copper cores as conductors, which have good conductivity and anti-interference properties; The insulation layer should be made of materials that are heat-resistant, wear-resistant, and corrosion-resistant to ensure stable operation in the complex electrical environment and different working conditions of the vehicle. At the same time, check the manufacturing process of the cable, such as whether the outer skin is smooth and uniform, whether the welding points are firm, whether the interfaces are tight, etc., to determine its quality.

Shielding performance: There are various electromagnetic interferences in the electrical system of commercial vehicles. In order to ensure the stability and accuracy of J1939 cable transmission signals, cables with good shielding performance are preferred. The shielding layer is usually made of materials such as metal woven mesh or aluminum foil, which can effectively block external electromagnetic interference from entering the interior of the cable and prevent internal signals from radiating outward. In some situations where high electromagnetic compatibility is required, such as densely populated areas of vehicle electronic control units or environments with strong electromagnetic sources, cables with good shielding performance are particularly important.

Rated voltage and current: Understand the rated voltage and current parameters of the cable to ensure that it can meet the electrical requirements of the connected equipment.

Certification and Standards: Select cables that comply with relevant industry standards and certifications.