FAQs
J1939 Adapter FAQ
Which protocols does the VNA adapter support?
The Vehicle Network Adapter (VNA) product family is a J1939, J1708, and OBD2 adapter designed for heavy duty vehicles. It supports SAE J1939, SAE J1587, SAE J1708, OBD, ISO 15765, and Controller Area Network (CAN).
How many networks does the VNA adapter support?
The adapters support dual J1939/CAN networks, dual OBD2, and a single J1587/J1708 network.
What operating systems and devices do the adapters support?
The VNA-USB uses the standard USB Virtual Com Port (CDC VCP) profile. Windows, Linux, and Android operating systems have built in support for the USB VCP profile, therefore no custom device driver is required.
How much does the VNA adapter cost?
We offer significant price discounts for large volumes. Please contact us for pricing.
Does the VNA-USB use a high retention USB connector?
Yes, the VNA-USB uses the standard, orange colored, high retention USB connector. The high retention connector is compatible with standard USB cables, suitable for high shock and vibration applications, and offers a secure connection (up to 50% stronger).
Do the adapters support diagnostic and statistic information?
The VNA supports diagnostic messages for J1939 and J1587/J1708. Also the VNA tracks network statistic information such as the number of valid messages and errors.
Quick Links
J1939 Protocol Stack
J1939 Bootloader
J1939 Diagnostic Event Manager
J1939 Simulator
J1939 Adapters
J1939 to USB Adapter
J1939 to RS-232 Adapter
J1939 Software FAQ
J1939-0 Parent Document
SAE J1939-11 Physical Layer, 250 Kbps
SAE J1939-14 Physical Layer, 500 Kbps
SAE J1939-15 Reduced Physical Layer, 250 Kbps
SAE J1939-21 Data Link Layer
SAE J1939-71 Vehicle Application Layer
SAE J1939-73 Diagnostic Layer
SAE J1939-81 Network Management
SAE J1939-82 Compliance – Truck and Bus
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