Identification Type

The method used to identify the beginning of a subfield.

Value

Description

None

Variable length techniques not used

String Identifier

Use an ASCII string to identify variable length fields. You can specify the respective strings using the Field Identifier and First Subfield Identifier.

x-byte binary length

Binary length where x is a value from one through four

String Id. and x-byte binary length

Use a combination of string identifiers and binary length.

x-byte binary length and String-Id

Use a combination of binary length and the string identifiers

Description

You can choose to use string identification, length identification, or a combination of the two. Choose the option that you want to use from the list provided.

If the field does not include subfields, leave the subfield entries empty. If the field is fixed length, leave all these entries empty.

Related Topics