ABSTRACT-SYNTAX ::= CLASS
{
&id OBJECT IDENTIFIER,
&Type,
&property BIT STRING {handles-invalid-encodings(0)}
DEFAULT {}
}
WITH SYNTAX
{
&Type IDENTIFIED BY &id [HAS PROPERTY &property]
}
Le type ABSTRACT-SYNTAX modélise l'association entre l'identificateur d'une objet et un Protocol Data Unit (PDU) i.e. un flux binaire échangé.
protocolName-Abstract-Syntax ABSTRACT-SYNTAX ::= {ProtocolName-PDU IDENTIFIED BY protocolName-Abstract-Syntax-id}