Serial RXTX

Serial (RXTX)

For Modbus RTU over serial, RxTx native libraries may be required.

The README documents copying:

• RXTXcomm.jar → JAVA_HOME/jre/lib/ext
• rxtxSerial.dll / rxtxParallel.dll → JAVA_HOME/jre/bin

Pick the architecture folder under src/rxtx/[win-arch]/ that matches your OS.

On Linux, distribution packages or apt install librxtx-java patterns may apply — verify against your JDK layout.