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The following table provides default information about the Command Elements contained in the C-ECHO-REQUEST Command Set.
In the column headings the following abbreviations apply:
VR = Value Representation
VM = Value Multiplicity
In the Usage column the following abbreviations apply:
U = Use is a service user option.
C = Conditional
M = Mandatory
For more information about Value Representations, refer to Default Value Representation Table.
For a list of the default tag constants for the command sets data elements, refer to Data Element Tag Constants for the Command Sets
| Tag | Name | VR | VM | Usage |
|---|---|---|---|---|
| 0x00000002 | Affected SOP Class UID | UI | 1 | M = UID_VERIFICATION_CLASS |
| 0x00000100 | Command Field | US | 1 | 0x0030 |
| 0x00000110 | Message ID | US | 1 | M |
| 0x00000800 | Data Set Type | US | 1 | COMMAND_DATASET_ABSENT |
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