/**
  * Ctor.
  * 
  * @param type $logger
  * @param type $port
  */
 public function __construct($logger, $port, $portParams)
 {
     parent::__construct($logger);
     $this->_logger->log(__METHOD__);
     $this->_port = $port;
     $this->_portParams = $portParams;
     $this->_serial = new PhpSerial($this->_logger);
 }
 public function __construct($logger, $protocol, $address, $port)
 {
     parent::__construct($logger);
     $this->_logger->log(__METHOD__);
     $this->_protocol = $protocol;
     $this->_address = $address;
     $this->_port = $port;
 }