This method opens the serial device using the port name "serialport.portname=..." specified
in the BankframeDevices.properties file for the name deviceName.
This method opens the IntelliPIN device
It calls the base MCASerialPort open() method which connects to the serial port and which calls setup()
A Master Encryption Key is created and passed to the opened IntelliPIN device.
This method opens the IntelliPIN device
It calls the base MCASerialPort open() method which connects to the serial port and which calls setup()
This method then passes the specified Master Key to the opened IntelliPIN device.