B.5 Media Interchange
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## B.5 Media Interchange

### B.5.1 Implementation Model

#### B.5.1.1 Application Data Flow

Figure B.5.1-1. Application Data Flow Diagram for Media Storage

The Offline-Media Application Entity exports images and Presentation States to a CD-R Storage medium. It is associated with the local real-world activity "Export to CD-R". "Export to CD-R" is performed upon user request for selected patients, studies, series or instances (images or presentation states).

#### B.5.1.2 Functional Definition of AEs

##### B.5.1.2.1 Functional Definition of Offline-Media Application Entity

Activation of the "Export to CD-R" icon or menu entry will pass the currently selected patients, studies, series or instances (images or presentation states) to the Offline-Media Application Entity. The SOP Instances associated with the selection will be collected into one or more export jobs. The contents of each export job will be written to a single CD-R media.

#### B.5.1.3 Sequencing of Real-World Activities

At least one image or presentation state must exist and be selected before the Offline-Media Application Entity can be invoked. The operator can insert a new CD-R media at any time before or after invocation of the Offline-Media Application Entity. The Offline-Media Application Entity will wait indefinitely for a media to be inserted before starting to write to the CD-R device. If no CD-R media is available the export job can be canceled from the job queue.

#### B.5.1.4 File Meta Information Options

The implementation information written to the File Meta Header in each file is:

Table B.5.1-1. DICOM Implementation Class and Version for Media Storage

Implementation Class UID | 1.xxxxxxx.yyy.etc.ad.inf.usw
Implementation Version Name | EXINTMOD_01

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