Labels:text | screenshot | diagram | line | rectangle OCR: DIGITAL INTERACTION Host Application .PUS SSCP Poth control Data-link control VIAN Operating system Front-end $3767 processor PU4 PUZ Terminal ¿PUZ 327X: LU 3172 Cluster. controller Figure 1; The various physimt units (PU's) interact with logical units (LUo) and the systems services control point (SSCI') to support end user applications and handle management and administrative tasks.
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