OTech, Inc.

4.2.2 DICOM Nodes Configuration

The nodes used for the Storage SCU and Echo SCU service can be configured using the DICOM Nodes dialog box. When the application is in any mode, except for the Storage SCP mode, the DICOM Nodes dialog box can be brought up by clicking the CONFIGURE NODES button in the main window or by selecting Nodes from the Configure menu. The Alt + N key combination also will display the DICOM Nodes dialog box.

DICOM Nodes Dialog Box:

This dialog box has a list control window, which displays all the nodes created using the DICOM Node Details dialog box. It has ADD, EDIT, DELETE and OK buttons at the bottom of the dialog box, which do the following:

ADD	Displays the DICOM Node Details dialog box into which all the node details are entered and the node created.
EDIT	Displays the DICOM Node Details dialog box, which contains all the information for the selected node. These details can be edited.
DELETE	Clears the node from the list.
OK	Makes the selected node the current node.

DICOM Node Details Dialog Box:

This dialog box has a two-page property sheet, which is used to set the general node information and the transfer syntax supported by the node.

DICOM Node Details Dialog Box (General Page):

On the General Node page the following parameters can be configured:

Node Name	The node name, which is used to represent the current setting.
IP Address	The IP Address of the node.
AE Title	The Application Entity Title name.
Port Number	The port number through which the SCU will initiate any connections.
PDU Size	The maximum PDU size for this node.
Response Timeout	The amount of time the SCU will wait for a response from the SCP.

The IP Address should not exceed 64 characters, the AE Title should not exceed 16 characters and the PDU Size should be in the range 8192 to 65536. For more details about the valid characters and the valid lengths that can be used, please refer to ACR/NEMA Standards Publications, No PS3, 2000 DICOM Standards Part 5 – Data Structures and Encoding.

DICOM Node Details Dialog Box (Transfer Syntax Page):

The Transfer Syntax page has a list in which transfer syntaxes can be added, edited or deleted using the ADD, EDIT and DELETE buttons on the right of the dialog box. A check box is displayed to the left of each listed transfer syntax. These boxes can be checked to indicate that the node supports the transfer syntax. The Check All check box can be used to check all the transfer syntaxes displayed in the list.

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