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Outboard Processors for Data Link Control Disclosure Number: IPCOM000049651D
Original Publication Date: 1982-Jul-01
Included in the Prior Art Database: 2005-Feb-09

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Avis, RE Cianciosi, MN Pogorzelski, JS Ure, JR [+details]


In the word processing system environment, communication e attachments are highly unique in that they are usually oriented to one type of line discipline, or in order to achieve greater flexibility, they may be required to attach to an external communications controller. These controllers are usually an extra expense and require special supporting programs in the host system. This is a disadvantage to a customer in that not only does extra equipment and programming have to be purchased but the selection of I/O devices is limited due to restrictions placed on the controller. This article describes a communications subsystem controller which is self-contained under the covers of the system mainframe and provides two separate teleprocessing line disciplines which can be used in any combination by the system.