
  CONST
    nlc$udpaa_outgoing_pdu_base = 1300(16),  {host to device}
    nlc$udpaa_incoming_pdu_base = 1380(16),  {device to host}

{ Incoming PDU kinds.

    nlc$udpaa_open_confirm_ind = nlc$udpaa_incoming_pdu_base + 0,
    nlc$udpaa_open_reject_ind = nlc$udpaa_incoming_pdu_base + 1,
    nlc$udpaa_release_ind = nlc$udpaa_incoming_pdu_base + 2,
    nlc$udpaa_data_ind = nlc$udpaa_incoming_pdu_base + 3,
    nlc$udpaa_clear_send_ind = nlc$udpaa_incoming_pdu_base + 4,

{ Outgoing PDU kinds.

    nlc$udpaa_open_req = nlc$udpaa_outgoing_pdu_base + 0,
    nlc$udpaa_release_req = nlc$udpaa_outgoing_pdu_base + 1,
    nlc$udpaa_data_req = nlc$udpaa_outgoing_pdu_base + 2,
    nlc$udpaa_set_options_req = nlc$udpaa_outgoing_pdu_base + 3,
    nlc$udpaa_clear_send_req = nlc$udpaa_outgoing_pdu_base + 4;

  TYPE
    nlt$udpaa_pdu_kind = 0 .. 0ffff(16);

