{
  "ip_addr": "192.168.0.160",
  "ssh_port": "22",
  "socket_port": 5050,
  "xService_port": 6666,
  "external_port": 8080,
  "modbus_port": 502,
  "upgrade_port": 4567,
  "interval": 1,
  "max_frame_size": 1024,
  "MAX_RECEIVED_SIZE": 1024,
  "suffix": "\r",
  "username": "luoshi",
  "password": "luoshi2019",
  "retry_time": 5
}