code: def _get_first_all_link_record(self):
          
          _LOGGER.debug("Starting: _get_first_all_link_record")
          _LOGGER.info('Requesting ALL-Link Records')
          if self.aldb.status == ALDBStatus.LOADED:
              self._next_all_link_rec_nak_retries = 3
              self._handle_get_next_all_link_record_nak(None)
              return
          self.aldb.clear()
          self._next_all_link_rec_nak_retries = 0
          msg = GetFirstAllLinkRecord()
          self.send_msg(msg, wait_nak=True, wait_timeout=.5)
          _LOGGER.debug("Ending: _get_first_all_link_record")
docs: Request first ALL-Link record.