device page(DPAGE)
In IMS/VS message format service (MFS), a user-defined group of device field definitions that make up one or more physical pages to be presented to or received from the device.; 在虛存信息管理系統(IMS/VS)報文格式服務中,一組用戶定義的設備字段定義,用以組成 一個或多個提交給設備或從設備收回的物理頁面。