data system interface
data system interface[′dad·ə ¦sis·təm ′in·tər‚fās]
A common aspect of two or more data systems involving the capability of intersystem communications.
A common boundary between automatic data-processing systems or parts of a single system.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.