typedef union {                   /* Status flags. */
  byte status;
  struct {
    bool OpticalDiagnosis :1;     /* Internal error bit of optical transceiver */
    bool XSync            :1;     /* Valid Sync pulse has been received */
    bool                  :1;
    bool SlotMismatch     :1;     /* Slot mismatch */
    bool NormalSync       :1;     /* Normal sync pulse has been received */
    bool AlarmSync        :1;     /* Alarm sync pulse has been received */
    bool Wakeup           :1;     /* Wakeup condition */
    bool RcvFIFO          :1;     /* FIFO not empty */
  }statusName;
}BeanName_TStatus;

typedef union {              /* Error flags. */
  byte err;
  struct {
    bool              :1;
    bool LockingError :1;       /* Two receive or transmit buffers are locked at the same time */
    bool IllegalPulse :1;       /* Illegal pulse error */
    bool LostSync     :1;       /* Sync pulse lost error */
    bool TooEarlySync :1;       /* Sync pulse too early error */
    bool FrameError   :1;       /* Message format (Frame, CRC) error */
    bool Overrun      :1;       /* Receive FIFO overrun */
    bool              :1;
  }errName;
} BeanName_TError;