Send command to device

vrish2 months ago

Hi,
I'm using a g108 GPS that uses jt808 protocol. I'm able to run it on HUABAO protocol port 5015.

  1. Are there commands that are available for engine cutoff / resume for this device / protocol? I've looked through the documentation but wasn't able to find anything specific.
  2. I have also tried to build my own command based on the documentation ( https://www.roadragon.com/uploads/JT808-protocol.pdf ) and am able to generate a message successfully 7E8500000A013670654390000101286375742C312C3029047E, and send to the device, but the device does not respond. I'm able to execute the same command using SMS and the engine gets cut. Any thoughts on how I can debug this using the Traccar code?