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Compaq FTAM Responder Support of
ISO FTAM Functions
OSI/FTAM Responder Manual—425199-001
4-4
Document Types
* In this context, full support applies to the contents type as a whole; it does not imply the support of all document
types or all possible values of the parameters (maximum-string-length, universal-class, and string-significance) that
further define the contents type.
Document Types
Table 4-5 identifies the FTAM document types that the Compaq responder supports and
provides all supported values for associated contents-type parameters. The parameter
values listed here are those directly supported; for information on the default values of
these parameter values, see Table 4-7, later in this section.
Document types can be simplified to other document types with simpler structures.
Simplification is the process of reading a file of a specific document type as a simpler
document type. Relaxations—specifications that change the parameter values of a
document type—are not permitted by Compaq FTAM. For more information on
simplification and relaxation, see the subsection “Contents-Type Attribute,” later in this
section.
The NBS-9 parameter value < filename > shown in Table 4-5 is the syntax notation for
representing the value of a bit string. In this case, only the filename attribute bit is set.
Security Access control Partial if protected by Safeguard security
software
Legal qualifications Partial
Private Private use Not supported
Table 4-5. Document Types and Parameters Supported by the Compaq FTAM
Responder
FTAM
Document
Types Parameters Parameter Values
FTAM-1
universal class 22, 25-27
maximum-string-length 1 - 7148 (in bytes)
string-significance not-significant or
Fixed or Variable
FTAM-2 universal class 22, 25-27
maximum-string-length 1 - 4072* (in bytes)
string-significance not-significant
FTAM-3 maximum-string-length 1 - 4096 (in bytes)
string-significance not-significant
Table 4-4. Attributes Supported by the Compaq FTAM Responder (continued)
Attribute
Group File Attribute Level of Support