The Asynchronous Operations Window Sub-Item shall be made of a sequence of mandatory fixed length fields. This Sub-Item is optional and if supported, only one Asynchronous Operations Window Sub-Item shall be present in the User Data Item of the A-ASSOCIATE-AC. Table D.3-8 shows the sequence of the mandatory fields.
Table D.3-8. Asynchronous Operations Window Sub-Item Fields (A-ASSOCIATE-AC)
|
Item Bytes |
Field Name |
Description of Field |
|---|---|---|
|
1 |
Item-type |
53H |
|
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 Maximum-number-operations-performed field. In the case of this Sub-Item, it shall have the fixed value of 00000004H encoded as an unsigned binary number. |
|
5-6 |
Maximum-number-operations-invoked |
This field shall contain the Maximum-number-operations-invoked as defined for the Association-acceptor in Section D.3.3.3 It shall be encoded as an unsigned binary number. |
|
7-8 |
Maximum-number-operations-performed |
This field shall contain the Maximum-number-operations-performed as defined for the Association-acceptor in Section D.3.3.3. It shall be encoded as an unsigned binary number. |