 CONST
    nac$cn_max_sap_id = 0ff(16);

  TYPE
    nat$cn_sap_id = 0 .. nac$cn_max_sap_id;

  CONST
    { These values are to be replaced by the corresponding Ethernet packet
    { types (which are to be registered with Xerox).
    nac$cn_diagnostic_me_sap = 2,
    nac$cn_xns_internet_sap = 4,
    nac$cn_routing_me_sap = 12,
    nac$cn_initialization_me_sap = 16;
