DICOM PS3.7 2018d - Message Exchange

D.3.3.2.2 Implementation Class UID Sub-Item Structure (A-ASSOCIATE-AC) (Current)
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##### D.3.3.2.2 Implementation Class UID Sub-Item Structure (A-ASSOCIATE-AC)

The Implementation Class UID Sub-Item shall be made of a sequence of mandatory fixed length fields followed by a variable field. Only one Implementation Class UID Sub-Item shall be present in the User Data Item of the A-ASSOCIATE-AC. Table D.3-2 shows the sequence of the mandatory fields.

Table D.3-2. Implementation UID Sub-Item Fields (A-ASSOCIATE-AC)

Item Bytes | Field Name | Description of Field
--- | --- | ---
1 | Item-type | 52H
2 | Reserved | This reserved field shall be sent with a value 00H but not tested to this value when received.
3 - 4 | Item-length | This Item-length shall be the number of bytes from the first byte of the following field to the last byte of the Implementation-class-uid field. It shall be encoded as an unsigned binary number.
5 - xxx | Implementation-class-uid | This variable field shall contain the Implementation-class-uid of the Association-acceptor as defined in Section D.3.3.2. The Implementation-class-uid field is structured as a UID as defined in PS3.5.

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