{
  "server": {
    "name": "Modbus Default Server",
    "type": "serial",
    "method": "rtu",
    "port": "/dev/ttyUSB0",
    "baudrate": 19200,
    "timeout": 35,
    "devices": [
      {
        "unitId": 1,
        "deviceName": "Temp Sensor",
        "attributesPollPeriod": 5000,
        "timeseriesPollPeriod": 5000,
        "sendDataOnlyOnChange": true,
        "attributes": [
          {
            "byteOrder": "BIG",
            "tag": "test",
            "type": "long",
            "functionCode": 4,
            "registerCount": 1,
            "address": 4
          }
        ]
      }
    ]
  }
}