Serial Communication Functions
                                                        This section contains functions for using the serial ports on the HSM.
                                                        The Serial Communications section contains the following functions:
                                                        >SERIAL_SendData
                                                        
                                                        >SERIAL_RecieveData
                                                        
                                                        >SERIAL_WaitReply
                                                        
                                                        >SERIAL_FlushRX
                                                        
                                                        >SERIAL_GetNumPorts
                                                        
                                                        >SERIAL_InitPort
                                                        
                                                        >SERIAL_GetControlLines
                                                        
                                                        >SERIAL_SetControlLines
                                                        
                                                        >SERIAL_SetMode
                                                        
                                                        >SERIAL_Open
                                                        
                                                        >SERIAL_Close