{ define symptom code constants

  CONST
    nac$sc_mdi_invalid_state_trans = 1,
    nac$sc_mdi_general_status_busy = 2,
    nac$sc_mdi_funct_timeout = 3,
    nac$sc_mdi_funct_timeout_cef = 4,
    nac$sc_mdi_input_ch_parity = 5,
    nac$sc_mdi_output_ch_parity = 6,
    nac$sc_mdi_iou_output_parity = 7,
    nac$sc_mdi_indet_output_parity = 8,
    nac$sc_mdi_channel_full = 9,
    nac$sc_mdi_message_length_error = 10,
    nac$sc_mdi_no_send_data = 11,
    nac$sc_mdi_status_avail_timeout = 12,
    nac$sc_mdi_channel_empty = 13,
    nac$sc_mdi_channel_inactive = 14,
    nac$sc_mdi_reset_state = 15,
    nac$sc_mdi_available = 16,
    nac$sc_mdi_incomplete_transfer = 17,
    nac$sc_mdi_indeterminate = 18,
    nac$sc_mdi_no_data_avail = 19,
    nac$sc_mdi_content_error = 20,
    nac$sc_mdi_status_content_error = 21,
    nac$sc_mdi_master_clear_failure = 22,
    nac$sc_mdi_reset_freq_thresh = 23,
    nac$sc_reserved_2 = 24,
    nac$sc_mdi_itb_error = 25,
    nac$sc_mdi_itb_parity_error = 26,
    nac$sc_mdi_channel_timeout = 27,
    nac$sc_mdi_input_truncated = 28,
    nac$sc_mdi_pp_overrun = 29,
    nac$sc_mdi_channel_protocol_err = 30,
    nac$sc_reserved_1 = 31,
    nac$sc_mdi_invalid_message_type = 32,
    nac$sc_mdi_max_size_exceeded = 33,
    nac$sc_mdi_length_error = 34,

{   nac$sc_mdi_usage_data should always be highest symptom code
    nac$sc_mdi_usage_data = 35;
